| 1874 |
Standard Manufacturing, the predecessor of American Standard, is founded to produce cast-iron water closets, washstands and bathtubs. |
| 1919 |
The founder of INAX provides technology advice on the production of exterior tiles for the Imperial Hotel building designed by Frank Lloyd Wright. |
| 1923 |
Takejiro Ushioda sets up the Myokenya store, the predecessor of Tostem Corporation, to launch a wooden fittings retail business. |
| 1924 |
Ina Seito Co., Ltd., the predecessor of INAX, is founded by Chozaburo Ina to manufacture tiles, earthenware pipes and terracotta. |
| 1936 |
Chugai Seiko Co., Ltd., the predecessor of SUNWAVE CORPORATION, is founded by Ryozo Yoshizaki. |
| 1936 |
GROHE is founded by Friedrich Grohe, acquiring Berkenhoff & Paschedag. |
| 1945 |
INAX launches production of ceramic sanitary ware. |
| 1949 |
Nihon Tategu Kogyo Co., Ltd. (later Tostem Corporation; currently LIXIL Corporation) is founded by Kenjiro Ushioda. |
| 1949-09-19 |
Established : September 19, 1949 |
| 1956 |
SUNWAVE develops Japan's first mass production technology for high-quality, low-priced stainless steel sinks. |
| 1958 |
INAX launches production of FRP bathtubs. |
| 1960 |
American Standard launches a new-type (push-pull) faucet. |
| 1967 |
INAX launches the first made-in-Japan shower toilet. |
| 1968 |
Tostem and Shin Nikkei undertake Japan's first super high-rise curtain wall project for the Kasumigaseki Building. |
| 1971 |
Tostem launches a new aluminum window sash designed to prevent rainwater seepage and allow easier cleaning. |
| 1974 |
Toyo Exterior Co., Ltd. is established. |
| 1984 |
Shin Nikkei Co., Ltd. is established. |
| 1988 |
TOEX launches Japan's first full-open/full-close glass-paneled "garden room." |
| 2001 |
INAX Corporation and TOSTEM Corporation merged their operations and established Tostem Inax Holding Corporation (currently LIXIL Corporation) as a holding company. |
| 2001 |
INAX launches tankless flush toilets. |
| 2004 |
Tostem Inax Holding Corporation is renamed JS Group Corporation. |
| 2005 |
SUNWAVE's kitchen systems receive a Red Dot Design Award. |
| 2007 |
INAX and Tostem develop a bathroom drainage system designed to significantly increase cleaning functionality. |
| 2009 |
American Standard Asia Pacific becomes a subsidiary of Inax Corporation. |
| 2010 |
SUNWAVE CORPORATION and Shin Nikkei Co., Ltd. become subsidiaries. |
| 2011 |
LIXIL was born in 2011 through a merger of five of Japan's most successful building materials and housing companies, TOSTEM, INAX, Shin Nikkei, Sunwave, and TOEX. |
| 2011 |
Tostem, INAX, Shin Nikkei, SUNWAVE and Toyo Exterior are integrated to establish LIXIL Corporation. |
| 2013 |
American Standard Brands in the US becomes a subsidiary of LIXIL Corporation. |
| 2014 |
GROHE Group S.A.R.L. becomes an equity-method affiliated company of LIXIL Corporation. |
| 2015 |
LIXIL Corporation converts GROHE Group S.a.r.l. into a consolidated subsidiary. |
| 2020 |
LIXIL Group Corporation merged with its wholly owned subsidiary LIXIL Corporation to form an operating company. |
