TOTO's Universal Design - To Create, Is To Think About People Universal Design BOOK
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TOTO’s
Universal Design
To Create, Is To Think About People
Universal Design BOOK
The value that TOTO creates through UD
Making a clean, comfortable “everyday” something everyone takes for granted.
TOTO aims to realize this through UD that takes into consideration diverse people.
To Create,
Is To Think About UD that supports
global society
UD that
transforms lifestyles
UD for realizing
an inclusive society
People
The answer is in the questions.
UD that takes into UD that reflects
UD that makes
Who will use our products? consideration
family life fun
changes in society’s
ideas about gender age distribution
What is difficult for them?
What makes them comfortable?
It’s always about the person.
At TOTO, when we design products
The world that TOTO aims to create through UD
or spaces, we keep people in mind Pursuing ease of use for all
throughout the process.
It’s about making life better for all,
because when it comes to caring for people,
meticulousness is key.
Kindness. Wisdom. Technology. Effort.
Universal Design Is Our History
CONTENTS
CONTENTS 1 Five Principles of TOTO’s Deepening TOTO’s
Universal Design 7 Universal Design 18
Potential of TOTO’s
Universal Design 2 1 Easy to use 8 Delivering of TOTO’s
Universal Design 20
Cycle of TOTO’s 2 Simple operation 10
Universal Design 6 Transitions in TOTO’s
3 Comfortable 12 Universal Design23
4 Able to choose 14
5 Safe and reliable 16
1
Potential of TOTO’s Universal Design
2003
Although a public toilet,
TOTO continues to take on various UD-related challenges to
create a society in which we all can live comfortably. it was difficult for some people to use.
UD for realizing Standardized button layout for public toilets so
an inclusive everyone can use without confusion
society
In response to comments regarding users “struggling on Call button
1917 account of not knowing how to flush” and “mistakenly Flushing button
pushing the call button,” TOTO launched investigative
Providing a healthy and civilized way of life research on creating common rules for the placement
Paper dispenser
of public toilet controls on walls through industrial-
Established Toyo Toki Company, Limited (present-day TOTO LTD.) academic collaboration. This research was picked up
throughout the industry, and JIS standards were formed
Toilet
At a time when vault toilets were located in 2007, and later ISO standards were formed in 2015.
outside people’s houses, we started on
our path to spread the use of sanitary JIS S 0026で定められた逆L字の配置
Control placement rules that became the JIS standard
ware based on a firm determination and
unflagging spirit that “Spreading the use of
sanitary ware toilets would surely contribute 2016
to the development of society.”
Japan’s first seated flush toilet
Era that respects diversity in gender
UD that takes
into consideration TOTO quickly started to ascertain the needs of the LGBT
ideas about community and search for the ideal form of Public toilets
1970s gender
No one washed their bottoms when using toilet
Sexual minorities, which are said to make up about 8% of Japan’s population-
LGBT- (source: Dentsu Diversity Lab’s LGBT Survey 2015). In particular, in response to
comments that one common difficulty transgender people face is the use of toilets
UD that Spreading the practice of washing one’s bottom and when going out, TOTO launched investigative research on the ideal form of public
transforms making the WASHLET®, a product developed for medical toilets. We have come to understand that not only transgender people but also people
lifestyles who require the help of someone of the other sex when using the toilet, such as the
use, a commonplace device for everyone For example, helped by the
elderly and people with developmental disabilities, need toilets that are not limited to opposite sex
March 2019
a particular sex. We have launched efforts to create public toilets that anyone can use
November 1987 July 1998 June 2005 January 2011 July 2015 Cumulative sales
TOTO started to import and sell the
June 1980
Sales begin
Cumulative sales
exceed 1 million units
Cumulative sales
exceed 10 million units
Cumulative sales
exceed 20 million units
Cumulative sales
exceed 30 million units
Cumulative sales
exceed 40 million units
exceed 50 million
units with peace of mind.
Wash Air Seat, the predecessor of its （Million Units）
18 years,
1 month
6 years,
11 month
5 years,
7 month
4 years,
6 month
3 years,
8 month Example layout of unisex
WASHLET , in the 1960s. The Wash Air
®
50
individual toilets
40
Seat was a medical device for people
30
For example, accompanied
who could not wipe themselves, by the opposite sex
20
and it was redeveloped into TOTO’s
10
WASHLET for general use, which
®
0
contributed to the spread of the
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
（FY）
practice of washing one’s bottom. Trends in Cumulative WASHLET® Sales WASHLET ® (Splay seat*)
*“Splay seat” is a generic name for an ordinary toilet seat equipped with a warm-washing function.
For example, sexual minority
*WASHLET and “WAHLET logo” are registered trademark of TOTO LTD. Wheelchair user Unisex individual
(transgender)
priority toilets toilets
2 3
Potential of TOTO’s Universal Design
2016 2023
Number of dual income 50%* of Japanese will be
households grew to 12.19 million.* 50 years or older
* Ministry of Health, Labour and Welfare’s 2017 Health, * Source: “Population Projections for Japan (2017 Projections)”
Labour and Welfare White Paper released by National Institute of Population and Social Security Research
UD that makes Proposing comfortable homes that make
family life fun housework easy, such as easy cleaning Proposing products and consideration for living
UD that reflects
changes in at home for a long time based on research on
society’s age the physical condition and living environment
distribution
Taking into consideration present-day social backgrounds, of the elderly acquired over many years
including the growing number of dual-income households,
TOTO also focus on proposals related to homes that make Population
housework easier. EWATER+*, which was developed from At TOTO, we have focused on research that 140000 54%
52.1%
TOTO’s unique technology, not only keeps toilets, bathrooms, takes into consideration the elderly since the 120000
52%
51.7%
and kitchens clean but also makes routine cleaning easier. We 1980s. Over many years, we have researched 100000 51.2%
50.6% 50%
50.0%
are creating homes that are always clean and comfortable and not only what consideration should be 80000
48.6%
49.3%
48%
48.0% Bedside Flushable Toilet
60000
make it possible for you and your families to enjoy life. given to disabilities as people grow older 46.9%
47.5%
46%
40000
but also devices and spaces necessary to live 44%
*EWATER+:electrolyzed water(containing hypochlorous acid) 20000
* See the product information webpage or product catalog for details. independently. In response to ideas about 42%
0
2018 2019 2020 2021 2022 2023 2024 2025 2026 2027
2018 what consideration is given to the elderly 75歳〜
Source
65〜74歳
出典：国立社会保障・人口問題研究所
for Japan (2017
50〜64歳
when conducted: Compiled
「日本の将来推計人口
Projections)”
0〜49歳
from“Population
50歳以上の割合
（平成29年推計）
Projections
」
より集計(estimates based on medium-variant
at welfare facilities and public spaces and （出生中位 ・死亡中位推計）
fertility and medium-variant mortality projections) released by
Foreign visitors to Japan hit historic high of 31 million people’s desire to stay in their home for a long
National Institute of Population and Social Security Research
time, we introduced a flush toilet that can be
Bathroom / Washroom
*Source: Japan National Tourism Organization (JNTO) installed next to a bed in 2013. We also give warm and comfortable set
Inbound Tourists By Year consideration to heating in rooms so that
people can spend a comfortable time in such
UD that supports Supporting the widespread use of places. We propose products and plans so that
global society Japanese toilets, a pride of Japan people can stay in the homes they have grown
used to for a long time.
As the number of inbound tourists to Japan
Problems with Japanese
increases, there are growing calls for public public toilets when first visiting Japan (top 10 answers)
toilets that are comfortable for anyone to use.
With growing demand for western-style toilets, Did not know how to use Japanese-style toilets 26.7%
improved operability, and the full-introduction Did not know what the various buttons did 25.7%
of WASHLET , we at TOTO offer support for
®
Did not know how to operate the warm-washing toilet seat 18.5%
formulating standard pictograms so that anyone
can use toilets with ease and installing equipment
Toilets were too narrow 17.3%
TOTO will continue to increase
Explanations were written only in Japanese 15.7%
such as remote controls and WASHLET® that take
Did not know how to flush the toilet after using it 14.7% Conducted: Sept.–Oct., 2014
what it can do through UD.
into consideration users’ religion and culture. Target: Non-Japanese living in Japan
Could not use because lines were long 13.5% Countries respondents were from: Korea,
Taiwan, China, Hong Kong, U.S., France, U.K.,
Thailand, Malaysia, Indonesia
Could not use the toilets because they were dirty 12.7% Age: 20+
Respondents: 600 (multiple answers)
10.0% There was no toilet paper TOTO Survey * TOTO was not indicated on survey form.
Flushing Toilet Flushing Toilet Lid Seat
Comment “Non-Japanese Toilet Culture Tour Survey”
Flush Light Flush Opening and
Closing
Opening and
Closing
9.0% Did not know it was alright to flush toilet paper October 2014 TOTO Survey
Stop Rear Cleansing Front Cleansing Dryer
Japan Sanitary Equipment Industry Association
Japan Sanitary Equipment “Standard
Industry Association “Standard pictgram” pictogram”
4 5
Cycle of TOTO’s Universal Design Five Principles of TOTO’s Universal Design
TOTO’s Universal Design has evolved by considering the life of At TOTO, we think that universal design starts with considering
diverse people and solving their problems. what is ease of use and comfort for diverse people.
We will continue to listen to user opinions and pursue usability for We develop better products and make better proposals by keeping
as many people as possible. in mind the Five Principles of TOTO’s Universal Design to realize ease of
use and comfort.
1
Easy to use
• Easy body position and movement
Develop • No movement that forces an
new products uncomfortable posture
• Easy to hold the posture
5 2
• Easy to clean
Customer
Safe and reliable Simple operation
Customer
Look for further
comfortableness • Consider the safety of various users • Easy to understand how to
• Reliable just in case use
• Easy to operate
Share
the needs Five Principles of
TOTO’s
Universal Design
Create 4 3
products
Able to choose Comfortable
Customer • Respond to various users and • Set the appropriate temperature
Propose different conditions of use and brightness according to the
products • Add or choose the necessary use environment
functions according to any • Always comfortable and
Verify change in the users’ lifestyles pleasant to use
the usability
6 7
Five Principles of TOTO’s Universal Design
1 Easy to use No movement that forces an uncomfortable posture
Washroom
● he Swing three-sided mirror eliminates the need to lean forward
T
when using the mirror, such as when putting on makeup.
Easy body position and movement
No
movement that forces an Swing three-sided mirror
uncomfortable posture
Easy to clean
Easy to hold the posture ● here is no step from the bowl to the bottom of the faucet, so it is easy
T
Easy to clean to clean with a quick wipe.
High back guard
No movement that forces an uncomfortable posture
Toilet
No movement that forces an uncomfortable posture
Kitchen
● utomatic opening and closing and automatic
A ● he interlocking floor cabinets and eye level
T
toilet bowl flushing eliminate movements that cabinets eliminate the need to get into an
require getting into an uncomfortable position, uncomfortable posture to take out items.
such as stooping down.
Auto open/close lid Auto flush Interlocking floor cabinet Eye level cabinet
Easy to clean Easy to clean
● liminating the back of the toilet bowl rim,
E ● he Slide sink and Zero filter hood reduce the
T
where grime easily accumulates, makes it hassle of cleaning.
possible to clean around the whole rim with a
single wipe.
Rimress design Rimress WASHLET® Slide sink Zero filter hood eco
Easy body position and movement Easy body position and movement Easy to hold the posture
Bathroom
Public
● Comfort shower ● he easy bath lid
T ● The toilet paper holder, which users can place their hands on to
bar that supports makes it possible to support themselves, offers support for standing and sitting movements
standing, sitting open and close with and during excretion and eliminates uncomfortable posture.
and moving. (Also a light force.
used as a handrail)
Handrail Easy bath lid Paper holder
Easy to clean Easy to clean
● Automatic bathtub ● he easy cleaning
T ● The wall-mounted ● he target mark on the
T
cleaning reduces counter makes it toilet makes it possible urinal eliminates splatter
an uncomfortable possible to clean even to clean the floor and makes cleaning easy.
posture to clean. parts where grime without getting into an
easily accumulates uncomfortable posture.
Automatic bathtub cleaning Easy cleaning counter with a single wipe. Wall-mounted toilet Target mark (Microwave sensor wall-mounted urinal set)
8 9
Five Principles of TOTO’s Universal Design
2 Simple operation Easy to understand how to use
Washroom
● With the Eco-single faucet, water only comes out up to the center of
the lever. There is also a clicking feel when switching from cold water
to warm water, which makes it easy to know when changing between
Easy to understand how to use cold and hot water.
Easy to operate Eco-single faucet
Easy to operate
● The automatic faucet not only stays clean because there is no need
to touch the lever with soapy or dirty hands but is also easy for small
children who have difficulty reaching levers to use.
Automatic faucet
Easy to understand how to use Easy to operate
Toilet
Kitchen
● detects the movement of people from when they enter the room
It ● The sensor is on the side of the faucet, so it is easy to hold your hand
until they leave, automatically turning on lights and lighting up the over it, and you can turn on or off the water without disrupting your
control panel. work pace.
● The control panel is designed with clearly illuminated buttons and
lettering, making it easy to see.
Restroom dresser built-in remote control Touchless water broom faucet
Easy to operate ● ith a foot switch, it is possible to operate the faucet even when one’s
W
hands are full.
● Water starts flowing when you extend your hands.
Easy toe push faucet switch
Restroom dresser automatic faucet
Easy to operate Easy to operate
Bathroom
Public
● The 2WAY touch faucet can be operated from ● Users can dry ● Even a light push
above or front, making it simple to operate their hands just to the flush button
whether standing or sitting. by inserting hands activates the toilet so
into the Clean Dry. that small children,
too, can flush the
2WAY touch faucet Clean Dry Urinal for kids Wash button toilet.
● The Comfort-wave click shower can be turned both on and off with a ● The automatic dispenser releases soap just by extending one’s hands.
single touch of a button at hand.
Comfort-wave click shower Automatic soap dispenser
10 11
Five Principles of TOTO’s Universal Design
3 Comfortable Set the appropriate temperature and brightness according to the use environment
Washroom
● A warming function for winter and cool breeze function for summer
makes the after-bath experience even more comfortable.
Set
the appropriate temperature
and brightness according to the use Comfortable cool and warm wall cabinet
environment
Always comfortable and pleasant to use
Always
comfortable and pleasant to use
● After brushing your teeth, rinse your toothbrush with water and spray
it with "EWATER+*" to clean and eliminate bacteria*. You can brush
your teeth comfortably with a clean toothbrush.
Clean toothbrush*
Set the appropriate temperature and brightness according to the use environment
Toilet
Set the appropriate temperature and brightness according to the use environment
Kitchen
● soft light turns
A ● Thanks to several functions—a room
on when someone heater timer, which warms the
approaches. Even at room at a set time, and anti-cooling
night, one can find function, which automatically comes
the toilet bowl and on when the room temperature falls
remote control. below about 5°C—the toilet is always
Soft Light Warm air drying Wide LED lighting
at an appropriate temperature.
Always comfortable and pleasant to use Always comfortable and pleasant to use
● Spraying cutting boards and knives with “EWATER+*”
● Particular about the smallest ● EWATER+*
maintains the after cleaning makes it possible to cook with peace
detail, including the shape of
cleanliness of the of mind anytime.
a single water drop, we are
toilet by eliminating
pursuing pleasant cleaning.
bacteria,* the cause
Self Cleaning Self Cleaning of grime. Clean cutting board* Clean kitchen knife*
WASHLET®
Bowl* Seat*
Set the appropriate temperature and brightness according to the use environment Set the appropriate temperature and brightness according to the use environment
Bathroom
Public
● Both the bathroom and washroom heater can be simultaneously ● This lighted mirror makes it easy to put on makeup because the soft
turned on by flipping a single switch. light from the right and left beautifully illuminates the whole face.
Bathroom / Washroom warm and comfortable set Mirror with LED lighting
Always comfortable and pleasant to use Always comfortable and pleasant to use
● With a greater ● The continually ● The sound of flowing water like a murmuring stream covers
surface area to cleaning function unpleasant toilet sounds (sound of excretion). The natural sound is
support the body, prevents mold and not only very effective for masking but also makes public toilets more
the bathtub pink grime from comfortable.
disperses pressure forming, making it
First class bathtub on the body. Floor wiper cleaning possible to always
OTOHIME
(EWATER+*) enjoy a bath
pleasantly.
* EWATER+: electrolyzed water (containing hypochlorous acid)
12 * See the product information webpage or product catalog for details. 13
Five Principles of TOTO’s Universal Design
4 Able to choose Respond to various users and different conditions of use
Washroom
● The washbasin counter with an open underside makes it
possible to sit comfortably and relax.
Respond
to various users and different
conditions of use
Add
or choose the necessary functions ESCUA
according to any change in the users’ ● With a mirror that expands down to the countertop, even
small children can see their faces.
lifestyles
ESCUA LS
Toilet
Add or choose the necessary functions according to any change in the users’ lifestyles Respond to various users and different conditions of use
Kitchen
● The Bedside Flushable Toiet is a moveable flush toilet that can be ● With this electric lift type kitchen cabinet, it is easy to reach
custom installed next to a bed. It not only makes it possible for people and put items up and down shelves.
to continue to use the toilet on their own but also eliminates concerns
about odors and cleanup.
Bedside Flushable Toilet
Electric lift type kitchen cabinet
● With a powered toilet seat that rises and lowers on its own, this Toilet
Lift helps users sit down on the toilet seat and stand up afterward. It
● he height of the counter can be set to one that makes it
T
can be custom installed on existing toilet bowl to match the physical comfortable for users.
condition.
User's height 150cm 160cm 170cm
Toilet Lift Counter height variations
Respond to various users and different conditions of use Respond to various users and different conditions of use
Bathroom
Public
● The bench-type counter, which is designed to be comfortable to sit on, ● With the Compact barrier-free toilet pack, functions can be
is the same height as the bathtub and can be slid while sitting. selected to match the needs of various public toilet users.
Bench counter
Compact barrier-free toilet pack
Add or choose the necessary functions according to any change in the users’ lifestyles
● For the infant’s toilet bowl, consideration was given to
● The Bath Lift helps people get into and out of the bathtub, it reduces
size and ease of use of the child. It is also possible to install
the workload of assisting people take a bath as the powered seat rises
handrail.
and lowers.
Bath Lift
Left: Urinal for kids Right: Toilet bowl for kids / Handrail
14 15
Five Principles of TOTO’s Universal Design
5 Safe and reliable Consider the safety of various users
Washroom
● The drawer closes quietly and dampens the corresponding
shock, which prevents users from pinching their finges.
Consider
the safety of various users
Reliable
just in case
Silent rail specifications
Toilet
Reliable just in case Consider the safety of various users Reliable just in case
Kitchen
● Even in the case of a blackout, the toilet bowl can be flushed ● Supports cooking with basic safety functions (potless
by pulling the manual lever. detection function, empty-heating automatic OFF function,
etc.).
Safe design in the event of a blackout
IH cooker
Consider the safety of various users Reliable just in case
Bathroom
Public
● The level difference at the entrance to the bathroom is reduced ● In a situation that the toilet bowl gets clogged, it is possible
prevent tripping. to remove the blockage from the cleaning port.
Doorway step that is hard to trip
● The shower faucet incorporates a function that
Public compact toilet
regulate high temperature hot water and lock Flush tank type (with cleaning port)
that prevents misuse by small children.
High temperature hot Touch switch with lock function
water regulation
16 17Deepening TOTO’s Universal Design
TOTO’s Universal Design is based on discoveries in daily life, such as something being
difficult to use or something making it easier to use.
Valuing these discoveries, TOTO focuses its energy on the pursuit of ease of use,
Space design verification
which includes verifications and home-visit surveys during the product development To confirm installation measurements and space design
process in which customers actually use the products. where a product will actually be used, we conduct
verification by having customers actually use the products.
Repeatedly analyzing and considering factors, such as analyses of
Researching users’ movements, daily life scenes, and space design, is useful for
people’s motion achieving greater ease of use.
ファーストクラス浴槽を動画でチェック Relax リラッ クス
※通信料はお客様のご負担となります。
※ 携帯電話の機種によっては、動画を
再生できない場合がございます。あら
Motion analysis
かじめご了承ください。
It can be useful to conduct numerical analyses of the workload of various motions in plumbing spaces,
when designing products.
Toilet example Bathroom example
背 中 も包 み 込 まれる形 状を目指しました 。 頭と首をやさしく支えて入浴を快適にサポート。
Analysis of standing up and sitting down Research on bathtub shapes that is less burdensome to
身体を包み込む形状の浴槽が、 theファーストクラス浴槽を動画でチェ
body
安心で快適なバスタイムを実現。
Relax
ック首まわりにほどよくフィットする、ヘッドレストと浴槽を一体化したデザイン。
リラッ クス
We conduct not only online and mail surveys but
User needs survey and
従来の浴槽に比べて接触面が広く、背中にかかる圧力を分散させます。 頭と首を自然に支えることで、身体の力も抜けてリラックスできます。
from a toilet (verification of the benefit ※通信料はお客様のご負担となります。
※ 携帯電話の機種によっては、動画を
offered by handrail) Conventional bathtubs* The small surface area supporting the body
再生できない場合がございます。あら
also home-visit surveys so that we can ascertain
field fact-finding survey
かじめご了承ください。
results in concentrated force on the body
(3-point support). The pressure on the body how people actually live and related difficulties.
is strong because the tub is not fitted on the
back.
* Conventional bathtubs: SUPRINO (2008-
2013 product) full-submersion bathtub
Group interviews WEB questionnaire and survey
背 中 も包 み 込 まれる形 状を目指しました
［従来の浴槽 ※ ］ 。 頭と首をやさしく支えて入浴を快適にサポート。
［ファーストクラス浴槽］ ［従来の浴槽 ※ ］ ［ファーストクラス浴槽］
背中のフィット感がないため、
身体を包み込む形状の浴槽が、安心で快適なバスタイムを実現。
身体にかかる圧力が集中。
背中のフィット感があるため、 背中を浴槽につけてもたれるのみの
首まわりにほどよくフィットする、ヘッドレストと浴槽を一体化したデザイン。
身体にかかる圧力が分散。 形状のため首まわりが不安定。
浴槽が首まわりにフィットするため、
リラックスしやすい形状。 We discuss lifestyles, products, and other items We ask about how customers actually live their lives
従来の浴槽に比べて接触面が広く、背中にかかる圧力を分散させます。 頭と首を自然に支えることで、身体の力も抜けてリラックスできます。
※従来の浴槽：2008-2013年商品「スプリノ」どっぷり浴槽
with customers. and what they want through questionnaire surveys.
First class bathtub The larger surface area supporting the
種 類は 全 部 で４つ。 body results in dispersed force on the
body (four-point support). Because it is
いず れも人 間 工 学 の 考え 方 を取り入れ た 形 状 です。※ 詳細はP.80をご参照ください。
fitted on the back, the pressure on the Home-visit surveys
body is small.
We visit the homes of customers and conduct surveys
regarding how they actually live and their discoveries.
［従来の浴槽 ※ ］ ［ファーストクラス浴槽］ ［従来の浴槽 ※ ］ ［ファーストクラス浴槽］
背中のフィット感がないため、 背中のフィット感があるため、 背中を浴槽につけてもたれるのみの 浴槽が首まわりにフィットするため、
身体にかかる圧力が集中。 身体にかかる圧力が分散。 形状のため首まわりが不安定。 リラックスしやすい形状。
※従来の浴槽：2008-2013年商品「スプリノ」どっぷり浴槽
ストレート（ステップなし） ストレート（ステップ付き） ワイド（ステップ付き） スーパーワイド（ステップ付き）
Bathtubs with shapes that envelop the body offer pleasant, reliable bath times.
The contact area is 種 類はthan
larger 全 部 で４つ。
that of conventional bathtubs, and the pressure applied to the
いず れも人 間 工 学 のback 考えis
方dispersed.
を取り入れ た 形 状 です。※ 詳細はP.80をご参照ください。
TOPIC スポーツ工学 の 研 究を行う東 京工 業 大 学 の中島 教 授 の 協力を得て、研
大学との共同研究で、 究開発を行っています。従来の浴槽に比べて、浴槽形状を工夫することで、
関節にかかる負担が減ってリラックスできることが検 証できました。
浴槽の形状を
Daily life scene verification 工夫することで
関節にかかる負担が
中島 求
東京工業大学 教授
研究分野：スポーツ工学、バイオメカニクス、
軽減されることも
バイオロボティクス、福祉工学など
To achieve various goals, including new product planningストレート
and（ステップなし）
design and ストレート
examining
検証しています。
product
（ステップ付き）
proposals , we
ワイド（ステップ付き）
特に近年では競泳からシンクロ、水球に至るまで、
幅広く水泳に関わるオリンピック・パラリンピック選手
スーパーワイド（ステップ付き）
verify ease of use by having customers actually use products. の活躍を研究開発の面からサポートしている。
Daily life scenes verification process
TOPIC スポーツ工学 の 研 究を行う東 京工 業 大 学 の中島 教 授 の 協力を得て、研 21
1 Ask 大学との共同研究で、 究開発を行っています。従来の浴槽に比べて、浴槽形状を工夫することで、
関節にかかる負担が減ってリラックスできることが検 証できました。
While relaxing, we ask customers about everyday life scenes. 浴槽の形状を
工夫することで 中島 求 Research venue
TOTO UD Laboratory
東京工業大学 教授
2 Measure 関節にかかる負担が 研究分野：スポーツ工学、バイオメカニクス、
軽減されることも
バイオロボティクス、福祉工学など
We take measurements appropriate for what is to be verified, 特に近年では競泳からシンクロ、水球に至るまで、
such as length of arms and knee height when sitting and 検証しています。 幅広く水泳に関わるオリンピック・パラリンピック選手
TOTO UD Laboratory
の活躍を研究開発の面からサポートしている。
dimensions of wheelchair.
In 2006, the TOTO UD Laboratory was established in
3 Reproduce movements the city of Chigasaki-city, Kanagawa Prefecture. To
TOTO has people move around the verification set as normally as 21
conduct manufacturing that is closely tied to people’s
possible and confirms their motions and flow lines. If there are
daily lives, we develop products and make proposals
tools and items they usually use, we ask them to actually prepare
that take into consideration various elements of the
them.
lives of individual customers, including their age,
4 Conduct briefing physical condition, family composition, and lifestyles.
The results of verifications are discussed with all staff members.
18 19Delivering of TOTO’s Universal Design
We work to deliver ease of use to diverse people.
Dissemination of information through Barrier-free Book
Barrier-free Book (Public Toilet Edition) was first proposals to academic associations and the national
Proposal and information At TOTO, we actively undertake various activities, including published in 1974 and has carried the result of research government, which also contributes to the nation and
on the movements of people with various physical society.
dissemination related to contributing to the creation of laws, regulations, and
conditions, including people in wheelchairs. By releasing a total of three editions of this book,
laws, ordinances, standards, disclosure of knowledge at academic conferences,
By the research seriously tackling the problems faced including a Hospital, Home for the Elderly, and Elderly
and releasing research results.
and standards. by people who use these facilities, we are able to Facility Edition and Residential plumbing spaces
propose products and physical layouts that anticipate Edition, we continue to propose consideration for “easy
market demand and also use the results to make to use for as many people as possible.”
Proposals related to laws, ordinances, standards (JIS S 0026 / ISO 19026)
In recent years, public toilets have become better who use wheelchairs. In 2005, we started to propose
equipped, but the various operation equipments used this layout.
around toilets cause confusion and problems such as With this research as a trigger, the activity to adopt
users “struggling on account of not knowing how to common rules spread throughout the industry.
flush” and “mistakenly pushing the call button, not Following additional investigative research, in 2007,
flush button.” these common rules were formulated into Japanese
Therefore, through industry-academia collaboration industrial standards, which include the shape and
with Toyo University,1 we have examined and conducted color of the toilet flush button and call button (JIS S
research since 2003 related to developing common rules 0026). The JIS standards were also incorporated into
for the wall layout of the three operation equipments various guidelines stipulated in the Act on Promotion of
(toilet paper dispenser, toilet flush button, and call Smooth Transportation, etc. of Elderly Persons, Disabled Barrier-free Book Barrier-free Book Barrier-free Book
button). Persons, etc., the so-called “Barrier-free Law,” and it is (Public Toilet Edition) (Hospital, Home for the Elderly, (Residential plumbing spaces
and Elderly Facility Edition) Edition)
As a result, we discovered that the inverted L-shaped recommended that public toilet operation equipments
placement is easy to understand and makes toilets easy be designed in line with JIS.
to use for various users, including those with visually Furthermore, in 2015, International Organization for UD proposal bases Communicating
impaired and those in wheelchairs. It can also be used Standardization (ISO) rules based on these JIS were
for both general toilet booths and toilets for people formulated (ISO 19026).
TOTO Technical Center information at H.C.R.
The TOTO Technical Center is a venue where we TOTO has exhibited every year at the International
Call button
collaborate with expert customers and create optimal Home Care and Rehabilitation Exhibition (H.C.R.) since
Flushing button toilet. We make UD-related proposals through 1995.
various efforts including communicating information The exhibition is a valuable venue for exhibiting
Paper dispenser
on toilets, such as user awareness survey data, full- not only recommended products and necessities for
Inverted L-shape placement scale verification spaces, and confirming techniques plumbing spaces at homes and elderly facilities and
that are difficult to communicate with photos and public toilets but also for gaining the opinions of
explanations only. customers.
Toilet
JIS S 0026で定められた逆L字の配置
Inverted L-shape placement stipulated by JIS S 0026
Verification scene (envisioned)
* 1 Takahashi Lab (Professor Gihei Takahashi), Dept of Human Environment Design, Faculty of Human Life Design, Toyo University (2003)
Presentation of research at
Publication of survey results
academic conferences
We are actively presenting papers that take into consideration We actively publish the results of research on the needs
space design for the ease of use of various users. of various users.
20 21Delivering of TOTO’s Universal Design Transitions in TOTO’s Universal Design
In 1917, when vault toilets were located outside people’s houses, TOTO started on its path to spread
At TOTO, we undertake activities so that we can acquire the knowledge
Human resource and skills necessary for manufacturing and proposal activities from a the use of sanitary ware based on a firm determination and unflagging spirit that “Spreading the
development UD perspective. use of sanitary ware toilets would surely contribute to the development of society.”
After launching efforts to give consideration to people with disabilities in the 1960s and then
Learning the movements of Learning what people find conducting research on consideration for the elderly in 1990s, TOTO started to work on universal
people in their daily lives inconvenient in their lives design in the 2000s.
For half a century, TOTO has provided easy-to-use plumbing spaces for as many people as possible.
For example, by doing actual cooking and observing We reproduce plumbing spaces from the 1960s and
Through Barrier-free Book, which was first published in 1974, TOTO has continued to disseminate
cooking in kitchens, we consider how to make things also the latest ones that take UD into consideration.
easier to use and how to clearly explain things to By experiencing both, we physically learn what “ease the plumbing spaces that meet the problem and needs of people with various physical condition, as
customers in their own words. of use” is. well as the movements of national law and regulations.
1964 Launched import and sale of “Wash Air Seat”, the predecessor to the
Consideration for people with disabilities (wheelchair users)
“WASHLET ®”
Tokyo Olympics/Paralympics held
1968 Launched Sanitary Ware Seminar
Conducted joint research with University of Tokyo, Chiba University, Naito
Architects, and Tokyo Metropolitan Institute of Gerontology
1971 Launched sales of toilet bowl for people with disabilities
(present-day barrier-free toilet), the origin of manufacturing
that reflects user opinions (A)
Learning consideration for
Mastering overall basic knowledge
diverse people A
We will acquire a “customer perspective” by thinking We will learn about the physical condition of and 1974 Released Equipment and Devices for People with Physical
about plumbing spaces from the viewpoint of assistive products for the elderly and people with Disabilities (predecessor to the present-day Barrier-free Book),
customers of various ages and physical conditions. disabilities through both class work and hands-on. which offers proposals on how to use plumbing spaces (B)
In addition, about 1,400 employees have acquired
various welfare-related qualifications, such as those
for welfare living environment coordinator and B
welfare equipment planner, through our support for
correspondence courses. 1980 Launched sales of “WASHLET G ”as
the practice of using toilets that
wash bottoms spread (D)
Launched sales of “ITAWARI
bathtub” for households, which
increases the safety of bathtubs
by incorporating a seat onto the C D
bathtub rim (C)
1987 Launched sales of “Interior
Bar”, a handrail that fits well
into daily life and takes into
Consideration for the elderly
consideration safety and relief
for toilets and bathrooms (E)
E
1988 Started to publish Plumbing Spaces: Design For Aging, a
planning catalog for housing that take into consideration the
elderly who have less physical function (F)
F
1989 ”Gold Plan“ formulated
22 23Transitions in TOTO’s Universal Design
Consideration for people with disabilities (wheelchair users)
Consideration for the elderly
Consideration for staying in one’s home
Universal design consideration
1991 Established “Silver Research Office” to undertake research on reduced 2006 Established “TOTO UD Laboratory” (R&D Center),
physical function related to aging with an eye toward aged society which undertakes technical research related to
universal design (N)
1993 Established “SUNAQUA TOTO Ltd.”, which employees “Barrier-free Law” enacted
people with serious physical disabilities “Basic Act for Housing” enacted
Launched sales of “Toilet Lift”, which helps people stand up N
after using toilet (G)
2007 Public Toilet operation equipments JIS formulated (JIS S 0026)
G
2008 Launched sales of “RESTROOM ITEM 01”, which takes
1994 “Heartful Building Law” enacted into consideration both ease of use and space design (P)
“New Gold Plan” formulated Presented with The 2009 Good Design Gold Award
“Design Guidelines for Homes in a Long-life Society” formulated P
1995 Started to exhibit at “International Health and Welfare Assistive
2010 Presented with “The Grand Prize of the Kids Design Awards” for products that take
Consideration for infants
Device Exhibition” (present-day “International Home Care and into consideration being with an infant (“Baby Seat”, “Fitting Board”, “Baby Chair”)
Rehabilitation Exhibition”)
Published public toilet and home editions of the planning catalog 2011 Launched joint research with Toyo University regarding movement of people in
“Barrier-free catalog” (H) wheelchairs when using bathrooms with limited space (200 cm x 200 cm) and
space measurements
H
“Act on Securement of Stable Supply of Elderly Persons' Housing” amended
1996 Launched sales of “REVLIS Products”, which
takes into consideration the elderly and 2012 Launched sales of barrier-free “Compact Multifunctional Toilet Pack” for
renovations and small-scale facilities
family members living with them
“Building design standards in Barrier-free Law” amended
Proposals for renovations and small-scale facilities
Published REVLIS Book to communicate the
necessary consideration for the elderly and
2013 Launched sales of moveable “Bedside Flushable
product use (J) Toilet” which can be used independently even when
I J nursing care is needed (R)
Opened technical centers, showrooms for specialists that include a barrier-free
laboratory where the installation of devices can be checked (I)
R
1999 Launched sales of “Bath Lift”, which helps people get
Consideration for diversity in gender
into and out of bathtubs (K) 2015 Public Toilet operation equipments ISO standards formulated (ISO 19026)
2016 “Building design standards in Barrier-free Law” amended
Japan Sanitary Equipment Industry Association’s “Toilet Control Panel Standard Pictograms”
formulated
K
2018 Published Let’s Think of Everyone’s Public Toilet–Consideration
2000 “Transportation Barrier-Free Act” enacted of Diversity, a pamphlet on toilets that also take sexual
“Long-Term Care Insurance Act” enacted
Universal design consideration
“Housing Quality Assurance Act” enacted
minorities into consideration (S)
2001 “Act on Securement of Stable Supply of Elderly Persons'
Consideration for ostomates
Consideration for making movements easier
Housing” enacted
S
2019 Joined “The Valuable 500”, an international initiative promoting the inclusion of
people with disabilities
L
2020 “Building design standards in Barrier-free Law”
amended
2002 Published an issue of planning catalog Barrier-Free Book for
elderly facilities (M)
2021 “Barrier-free Law” amended
Tokyo Olympics/Paralympics held
Started to make proposals of “Multifunctional Toilets” that
2021.10
バリアフリーブック
住まいの水まわり編
Consideration for visually impaired people
incorporate consideration for large bed users and ostomates (L)
バリアフリーブック 住まいの水まわり編
“Heartful Building Act” amended 我が家にずっと暮らしていけるよろこびを
M
2021.10
2003 Launched research on introducing common rules for the wall placement of
operation equipments in public toilets
2021.10
Joint industrial-academic research with Toyo University
2005 Received The Prime Minister Award Distinguished Barrier-free Promoter
24 25● TOTO's Universal Design
https://jp.toto.com/ud/
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