| 1903 |
Founded Shirokosha in 1903 (Meiji 36). Started as a specialized factory for white light oil and signal lamps. Developed high-brightness oil lamps. |
| 1903-06 |
Founded as a specialized factory for white light, white light wax oil, and signal lamps. |
| 1916 |
Ichikawa Manufacturing Works was founded as an automobile parts manufacturer in Kyobashi. Manufactured and sold tail lamps and safety sign devices. |
| 1916-04 |
Founded as Ichikawa Manufacturing Plant, a manufacturer of automotive parts. |
| 1922 |
Shirokosha manufactured railway lighting equipment. Developed front lamps for steam locomotives. |
| 1925 |
Ichikawa Manufacturing Works developed repair parts for automobiles, headlamps, and rear combination lamps. |
| 1930 |
Succeeded in domestic production of automotive headlamps. Realized signal lamp battery integration. |
| 1932-11 |
Introduction of domestically produced Datsun Model 1. Developed Shirokosha headlamps. |
| 1934 |
The company Ichikawa Manufacturing Works was established. |
| 1934-06 |
|
| 1934-06 |
Established Ichikawa Manufacturing Co., Ltd. |
| 1939 |
The company Shirokosha was established. |
| 1939-12 |
|
| 1939-12 |
Established Hakko-sha Co., Ltd. |
| 1940 |
Shield beam headlamps appeared. |
| 1945 |
Assembled headlamps using tungsten bulbs appeared. |
| 1952 |
Shirokosha Hasuda Manufacturing Plant was newly established. |
| 1953 |
Achieved the country's first vacuum deposition. |
| 1956 |
Tamagawa Factory of Ichikawa Manufacturing Works was newly established. |
| 1958 |
Nissan supplied lamps for Austin, which was produced under knockdown production. |
| 1959 |
Maruko Factory was newly established. |
| 1960 |
Introduced technological innovation through resinization. |
| 1961 |
Shirokosha Industries, Ichikawa Manufacturing Works, and Tokyo Stock Exchange Second Section listed. Large orders received for Nissan Bluebird parts. |
| 1962 |
Newly established Isehara Manufacturing Plant. |
| 1962-07 |
Established Ichikawa Manufacturing Plant in Isehara City, Kanagawa Prefecture. |
| 1963 |
Repair parts sales division became independent as Everace (now PIAA). |
| 1964-05 |
Established Nakatsugawa Manufacturing Plant in Nakatsugawa City, Gifu Prefecture. |
| 1965 |
Introduction of shield beam headlamps. |
| 1965-01 |
Established Fujioka First Manufacturing Plant in Fujioka City, Gunma Prefecture. |
| 1967 |
Business alliance between Hakko-sha Industries and Ichikawa Manufacturing Plant. |
| 1967-05 |
Formed a business alliance between White Light Co., Ltd. and Ichikawa Manufacturing Plant. |
| 1968 |
Hakko-sha Industries and Ichikawa Manufacturing Plant merged on equal terms, forming Seiko Industries Co., Ltd. |
| 1968-10 |
Founded by merger as City Light Industry Co., Ltd. (Capital: 1.4 billion yen) |
| 1968-10 |
Merged to form Ichikoh Industries, Ltd. (Capital: 1.4 billion yen) |
| 1969 |
New Fukuoka Second Manufacturing Plant established in Fujioka City, Gunma Prefecture. |
| 1969-04 |
Established the Fukuoka Second Manufacturing Plant |
| 1970 |
Introduction of atypical headlamps with the rise of halogen bulbs. |
| 1971 |
Transferred listing to the First Section of the Tokyo Stock Exchange. |
| 1971-08 |
Reclassified shares to the First Section of the Tokyo Stock Exchange |
| 1973 |
New Oizumi Manufacturing Plant established in Oura District, Gunma Prefecture. |
| 1975 |
Equipped Nissan Laurel (C130 model) with Japan's first electric remote-control fender mirror. |
| 1980 |
Introduction of HID light sources. |
| 1982 |
Developed the first mass-produced retractable headlamp for Nissan Pulsar EXA. |
| 1983-07 |
Established Kyushu Light in Oshinden, Nakatsu City |
| 1983-07 |
Established Kyushu Light, a production subsidiary in Daitō, Nakatsu City. |
| 1984 |
Participated in capital investment in NAL, Illinois, USA. |
| 1986 |
Equipped Nissan Fairlady Z (Z31 model) with the world's first LED high-mount stop lamp. |
| 1987 |
Developed the first domestic projector headlamp. |
| 1987-04 |
Established Ichiko Manufacturing Inc. (IMI) in Kentucky, USA |
| 1988 |
Equipped Nissan Cima with the world's first wiper-equipped door mirror. |
| 1988-11 |
Established a joint venture company, Kenko Jitsugyo Co., Ltd., in Changhua County, Taiwan |
| 1989 |
Equipped Nissan Silvia (00 model) with the world's first four-lamp projector headlamp. |
| 1989-03 |
Participated with capital in Jentex Corporation, Michigan, USA |
| 1990 |
Established Seiko Malaysia Sdn, Bhd in Malaysia. |
| 1990-11 |
Established a subsidiary, Ichiko Malaysia Sdn. Bhd., in Negri Sembilan, Malaysia |
| 1991 |
Commercialized HID headlamps utilizing high-pressure discharge. Also developed for endurance racing. |
| 1994 |
Developed high-efficiency free-surface headlamps for mass-produced vehicles. |
| 1997 |
Established PT. Shiko Indonesia near Jakarta, Indonesia. |
| 1997-03 |
Established PT. Ichiko Indonesia near Jakarta, Indonesia |
| 1999 |
Installed the first domestic LED rear combination lamps on Nissan Gloria (Y34 model). |
| 2000 |
Established a new factory of a merged company in Changhua County, Taiwan. |
| 2000-01 |
Established a new factory for Kenko Jitsugyo Co., Ltd. in Changhua County, Taiwan |
| 2000-07 |
Entered a comprehensive business alliance with Valeo in the lighting equipment division |
| 2003 |
Established Wuxi Guangsheng Technology Co., Ltd. in Wuxi, China. |
| 2003-07 |
Established a joint venture, Wuxi Light Technology Co., Ltd., in Wuxi, China |
| 2004 |
Equipped Nissan Elgrand (E51 model) door mirrors with LED turn lamps and cameras. Also installed a large overhead console for Toyota Mark X, a world first. |
| 2005 |
Signed a technical support agreement with FIEM. Equipped Toyota Alphard with AFS. Started supplying racing headlamps for Tokai University Le Mans Project. |
| 2005-11 |
Signed a technical support agreement with FIEM |
| 2006 |
Developed a large room lamp inspired by the Milky Way. Established Shiko Farao (Foshan) Automotive Lighting System Co., Ltd. in China. Established IMIC in Kentucky, USA. |
| 2006-03 |
Established City Light Faurio (Foshan) Automotive Lighting System Co., Ltd. in China |
| 2006-12 |
Established Ichiko Mitsuba Inc. (IMIC) in Kentucky, USA |
| 2007-02 |
Liquidated Ichiko Manufacturing Inc. (IMI) in Kentucky, USA |
| 2007-05 |
Constructed the Kyushu Light New Factory in Mikami, Nakatsu City |
| 2007-05 |
Built new Kyushu Light factory in Sankō Village, Nakatsu City, for business expansion and cost reduction. |
| 2008-08 |
Established Ichiko Industries Thailand Co., Ltd. in the Kingdom of Thailand |
| 2008-08 |
Established Ichikou Industries Thailand Co., Ltd. (current consolidated subsidiary) in Amata City, Rayong Province, Thailand. |
| 2009 |
Transferred fixed assets of Oizumi Manufacturing Site and Nakatsugawa Manufacturing Site, and the headquarters site. |
| 2009-09 |
Closed Nakatsugawa Manufacturing Plant to rebuild production system |
| 2009-12 |
Closed Oizumi Manufacturing Plant to rebuild production system |
| 2010 |
Partnered with Ficosa International. Completed the Technical Center I-WING at Isehara Manufacturing Plant. Achieved longer lifespan and lower power consumption for LED headlamps. |
| 2010-09 |
Relocated headquarters to Isehara New Building i-Wing |
| 2011-08 |
Liquidated subsidiary Ichikou Mitsuba Inc. (IMIC) in Kentucky, USA |
| 2012-08 |
Strengthened alliance between Shiko Industrial and Valeo in China. Established Valeo Shiko Holding. |
| 2012-08 |
Established Valeo City Light Holdings in Dublin, Ireland. Oversees lamp business in China region |
| 2012-08 |
Established Valeo Ichikoh Holding Ltd. in Dublin, Ireland. Oversees lamp business in China region as a holding company for FIV, Shenyang Valeo, Wuhu Valeo, and Hubei Tech Center. |
| 2012-10 |
Built a new factory of Shiko Thailand in Amata City, Rayong Province, Thailand. |
| 2012-10 |
Constructed new factory for subsidiary City Light Thailand in Amata City, Rayong Province, Thailand |
| 2012-10 |
Built a new factory for City Light Thailand in Amata City, Rayong Province, Thailand. |
| 2014-12 |
Acquired 100% ownership of Wuxi Guangsheng Technology Co., Ltd. |
| 2015-02-27 |
Products with Mono LED introduced at Toyota Global Supplier Competition received the Innovation Award. |
| 2015-02-27 |
Received the prestigious Innovation Award from President Akio Toyoda at the Toyota Global Supplier Competition on February 27, 2015. The product introduced MonLED and was adopted in the new Alphard and Vellfire. |
| 2015-11 |
Transferred part of the Automotive Aftermarket Business Division Customer Parts Sales Section to focus on development and production |
| 2015-11 |
Transferred part of the Automotive Aftermarket Customer Parts Sales Division of the Sales Headquarters, focusing on development and production for that business |
| 2017-01 |
Became a consolidated subsidiary of Valeo through a takeover bid by Valeo. |
| 2017-01 |
Becomes a consolidated subsidiary through a public tender offer by Valeo Bienne |
| 2017-01 |
Became a consolidated subsidiary through a public tender offer for our shares by Valeo Bienne. |
| 2019-06 |
Completed Atsugi Manufacturing Plant in Atsugi City, Kanagawa Prefecture. Introduced lean production and automation. |
| 2019-06 |
|
| 2019-06 |
Completed Atsugi Manufacturing Plant as a headlamp specialized factory in Atsugi City, Kanagawa Prefecture. |
| 2019-06 |
Established Atsugi Manufacturing Plant |
| 2023-03 |
Succeeded mirror business of Ichikoh Industries to subsidiary Misato Industries through company split (absorption-type split) |
| 2023-08 |
Sold shares of Misato Industries to SMR Corporation |
