Established ceramic sanitary ware laboratory and began manufacturing sanitary ware 1912
1914 Successfully developed Japan's first seated flush toilet
1917 Establishes Toyo Toki Company, Limited in Kokura, Kitakyusyu
1922 Start of operation at Mikawashima water treatment facility
1923 Great Kanto Earthquake
1936 Completion of the Imperial Diet Building (National Diet Building)
1937 Constructed Chigasaki Plant
1946 Faucet production begins
1951 Signing of San Francisco Peace Treaty
1955 Establishment of the Japan Housing Corporation
1958 Launched TOTOLITE Bath FRP bathtubs. Completion of Tokyo Tower
1962  Launched Thermos-stat mixer faucet
1962 Constructed Shiga Plant
1963 Developed construction method for prefabricated bathroom module Installed modules at the Hotel New Otani
1964 Tokyo Olympics held
1967 Constructed 2nd Kokura Plant Announcement and enactment of the Basic Law for Environmental Pollution Control
1968 Launched bathroom vanity units Launched combination single lever mixing faucet
1968 Constructed Nakatsu Plant
1969 Changed trademark from Toyotoki to TOTO
1970 Launched enamel bathtub
1970 Established corporate name TOTO KIKI LTD. Japan World Exposition
1971 Constructed Oita Plant and Yukuhashi Plant (current TOTO High Living LTD. Yukuhashi Plant) Opened TOTO Ginza Pavilion (closed in 1999)
1973 Established Aichi TOTO Ltd. (current TOTO SANITECHNO LTD.) Established Fukuoka TOTO Ltd. (current TOTO PLATECHNO LTD.)
1975 Launched US System water-saving urinal system
1976 Launched CS series water-saving noise-reducing toilet
1977 Launched bath unit for single-family homes
1977 Established P.T. SURYA TOTO INDONESIA, first joint venture company, in Indonesia
1978 Treaty of Peace and Friendship signed Between Japan and the People's Republic of China
1980 Launched WASHLET TM (toilet seats with a warm-water washing feature)
1980 Established TOTO Service Ltd. (current TOTO MAINTENANCE LTD.)
1981 Launched modular kitchen Started mass production of ceramic valves for new domain of faucets
1981 Established Buzen TOTO Co., Ltd. (current TOTO PLATECHNO LTD.)
1984 Launched automatic faucet
1984 Established TOTO KIKI (H.K.) LTD. (current TOTO (H.K.) LTD.)
1985 Launched Shampoo Dresser (bathroom vanity suited for washing hair)
1985 Established TOTO Engineering LTD. Opened GALLARY-MA
1986 Established Siam Sanitary Ware Co., Ltd., a joint venture company, in Thailand Established Chiba TOTO Ltd. (current TOTO Bath Create LTD.) Enactment of the Equal Employment Opportunity Law
1987 Established TAIWAN TOTO CO., LTD. in Taiwan
1988 Started mass production of electrostatic chucks Launched Otohime sound emulator for toilets Launched 6L toilet in the United States
1989 Launched Aqua Auto automatic faucets
1989 Opened TOTO Super Space as flagship showroom (current TOTO Tokyo Center Showroom) Awarded the Total Quality Control (TQC) Deming Prize Established TOTO High Living LTD. Constructed the Gifu Tile Center Founded TOTO Publishing
1990 Established sales site, TOTO KIKI U.S.A., INC. (current TOTO U.S.A. INC.) in the United States
1991 Constructed Shiga Plant No.2 Established production site, TOTO Industries (Atlanta), Inc., in the United States
1992 Constructed Nakatsu Plant No.2 Established Kokura Plant No.3 (current TOTO WASHLET TECHNO LTD.) Established Japan Tile Industries Ltd. (current TOTO MATERIA LTD.)
1993 Launched NEOREST EX
1993 Established SUNAQUA TOTO LTD. Remodeling Declaration
1994 Launched Alkali 7 alkali ion water generator
1994 Established BEIJING TOTO CO., LTD., a joint venture company, in China Established NANJING TOTO CO., LTD. Established TOTO KIKI (DALIAN) LTD. (current TOTO DALIAN CO., LTD.) Established TOTO Optronics Co., Ltd. (current TOTO Fine Ceramics LTD.) Launched TOTO Remodel Club
1995 Launched Laundry Dresser bathroom vanity
1995 Established TOTO (BEIJING) CO., LTD, a joint venture company, in China Established TOTO KIKI (MALAYSIA) SDN. BHD. in Malaysia (current TOTO MALAYSIA SDN. BHD) Established TOTO KIKI (CHINA) CO., LTD. (current TOTO (CHINA) CO., LTD) Great Hanshin Earthquake
1996 Established TOTO U.S.A., INC. (current TOTO U.S.A. Holdings, INC.) in the United States. Established TOTO Technical Center
1997 Established TOTO KIKI (SHANGHAI) CO., LTD. (current TOTO (SHANGHAI) CO., LTD.) in China
1998 Launched Hydrotect tiles Launched US integrated toilet Diatect
1999 Developed CeFiONtect technology Launched the WASHLET TM Apricot Series with built in Wonder-Wave Cleansing.
2000 Established Japan Hydrotect Coatings CO., LTD., a joint venture company (current TOTO OKITSUMO Coatings LTD.)
2001 Launched Furopia system bathroom with quick drying Karari floor. Launched Aqua Auto Eco automatic faucet 
with power generation function
2001 Established TOTO KIKI KOREA LTD.(current TOTO KOREA LTD.) Established TOTO EAST CHINA CO., LTD. in Shanghai, China Installment of the Ministry of the Environment (reorganization of the Environmental Agency) September 11 Attacks
2002 Launched Hydrotect coating Launched NEOREST EX Series with built in Tornado Cleansing technology
2002 Established TOTO VIETNAM.CO., LTD. in Vietnam Established Universal Design Research Center (Kokura) Entered into operational agreement between TOTO, DAIKIN, and YKK AP
2003 Launched System J Crystal Series
2003 New Remodeling Declaration
2004 Launched SUPER Legacess Crystal kitchen Series Launched Furopia insulated thermal pot “Mahobin” bathtub series
2004 Established TOTO (GUANGZHOU) CO., LTD.
2005 Established the TOTO Water Environment Fund Established VORETO PLUMBING TECHNOLOGY CO., LTD. in China
2006 Launched kitchen CUISIA A Type Plan
2006 Established Universal Design Research Center (Chigasaki) Established TOTO MEXICO, S.A. DE C.V. in Mexico
2007 Launched Neorest Hybrid series with Hybrid Ecology System
2007 Changed corporate name to TOTO LTD.
2008 Launched TOTO Restroom Item 01
2008 Established TOTO ASIA OCEANIA PTE. LTD. and TOTO Europe GmbH presiding companies
2009 Exhibited products at ISH Announced TOTO V-Plan 2017 Established TOTO Manufacturing (Thailand) Co., Ltd. in Thailand (current TOTO (THAILAND) CO., LTD.)
2010 Launched CRASSO modular kitchen Launched the Eco Single faucet Launched AIR-IN-SHOWER Showerhead
2010 Announced TOTO Environmental Vision 2017
2011 WASHLET TM shipments reach 30million units Launched WASHLET TM Apricot with ewater+, antibacterial electrolyzed water (nozzle cleansing)
2011 Established TOTO Do Brasil Distribuição e Comércio, Ltda. in Brazil Established TOTO INDIA INDUSTRIES PVT. LTD. in India Established TOTO (Fujian) Co., Ltd. in China Joined the United Nations Global Compact Great East Japan Earthquake
2012 Launched new SAZANA system bathroom with double insulation structure Hokkarari floors Launched Neorest AH/RH and WASHLET TM Apricot Completion of Tokyo Skytree
2013 Launched aerosol deposition film products Started production of ceramic film through the aerosol deposition process Launched Bedside Flushable Toilets
Launched Flush Tank Style Commercial Compact Toilet with new flush tank type flushing system Launched WASHLET TM PS adopting an eco remote control that does not needing dry cell batteries
2014 Launched TOTO Global Environmental Vision
2015 Launched NEOREST Hybrid series AH/RH integrated WASHLET TM toilet with built-in ewater+ (deodorizer)
2015 Opened TOTO Museum
2016 Launched CRASSO modular kitchen with built-in ewater+ Launched Octave bathroom vanity unit with built-in ewater+
2017 100th anniversary of TOTO
2017 Launched NEOREST NX globally. Launched faucet products distinguished by their sophisticated designs on the global market
Expanding Business in 19 Countries and Territories(as of April 2017). TOTO has expanded its business to 19 countries, including Japan and China as well as to other countries in Asia and Oceania, the Americas, and Europe. We are proposing functional plumbing spaces with comfort that have TOTO's advanced technology to customers throughout the globe. We have earned high praise worldwide for the TOTO plumbing products we have delivered to many renowned hotels in each corner of the world.
Over 40.00 Million Units Total WASHLET TM shipped worldwide (as of July 2015) The WASHLET TM dramatically changed the bathroom  culture in Japan since its release in 1980. Today, the WASHLET TM is showing steady growth throughout the world.