| June 1903 |
Foundation of the company. Started delivering to Ministry of International Tradeand Industry as a plant specialized in the manufacture of white light wax oil, signal lamp, etc. |
| April 1916 |
Ichikawa Seisakusho was founded as a manufacturer of automotive parts |
| June 1934 |
Ichikawa Seisakusho Co., Ltd. was established. |
| December 1939 |
Establishment of Hakkosha Co., Ltd. |
| July 1962 |
Isehara Plant was newly constructed in Isehara-shi, Kanagawa-ken. |
| May 1964 |
Nakatsugawa Plant was newly constructed in Nakatsugawa-shi, Gifu-ken. |
| January 1965 |
Fujioka Plant No.1 was newly constructed in Fujioka-shi, Gunma-ken. |
| May 1967 |
Hakkosha Industries and Ichikawa Manufacturing entered into a cooperative agreement. |
| October 1968 |
The two companies merged and ICHIKOH INDUSTRIES, LTD. was established with the capital of 1.4 billion Yen. |
| April 1969 |
Fujioka Plant No.2 was newly constructed. |
| August 1971 |
Company stock listing was upgraded to the 1st Section of the Tokyo Stock Exchange. |
| July 1983 |
Establishment of production affiliate company, Kyushu Ichikoh, in Ooshinden Nakatsu city. |
| April 1987 |
Ichikoh Manufacturing, Inc. (IMI) was established in Kentucky, U.S.A. |
| November 1988 |
Kenkoh Industries, Ltd. was established as a joint venture company in Chang-Hua of Taiwan. |
| March 1989 |
Capital investment was made in Gentex Corporation of Michigan, U.S.A. |
| November 1990 |
Ichikoh Malaysia Sdn. Bhd. was established as a subsidiary company in Negeri Semblilan, Malaysia. |
| March 1997 |
P.T. Ichikoh Indonesia was established in the suburb of Jakarta, Indonesia. |
| January 2000 |
A new plant constructed in the Chang-Hua of Taiwan. |
| July 2000 |
Comprehensive business alliance agreement was concluded with Valeo for lighting business. |
| July 2003 |
Wuxi Koh Sean Technology Co.,Ltd. was established as a joint venture. |
| November 2005 |
Technical assistance agreement was concluded between Ichikoh and FIEM. |
| March 2006 |
FoshanIchikoh Valeo Auto Lighting Systems Co.,Ltd. was established in China. |
| December 2006 |
Ichikoh Mitsuba, Inc. (IMIC) was established in Kentucky, USA. |
| May 2007 |
Due to expansion of business and cost reductions, construction of new Kyushu Ichikoh plant in Sanko Mura, Nakatsu city. |
| February 2007 |
Liquidation of Ichikoh Manufacturing Inc. (IMI) in Kentucky, USA. |
| August 2008 |
Establishment of Ichikoh Industries Thailand Co., Ltd. (current consolidated affiliate company) in Kingdom of Thailand. |
| September 2009 |
Due to the restructure of production system, closure of Nakatsugawa plant. |
| December 2009 |
Due to the restructure of production system, closure of Oizumi plant. |
| September 2010 |
The headquarters is moved to Isehara new building i-Wing. |
| August 2011 |
Liquidation of Ichikoh Mitsuba Inc. (IMIC) affiliate company in Kentucky, USA. |
| August 2012 |
Establishment of Valeo Ichikoh Holding Ltd. in Dublin city Republic of Ireland. Conducts managent of lamp business in Chinese region as a holding company of FIV, Shenyang, Valeo, Wuhu Valeo, and Hubei Tech Center. |
| October 2012 |
Construction of Ichikoh Thailand new plant, affiliate company, in Amata city Rayon province in the Kingdom of Thailand. |
| December 2014 |
Wuxi Koh Sean Technology Co.,Ltd. became a 100% subsidiary. |
| November 2015 | Sales Headquarters Automotive Aftermarket Department Customer Parts Transfer a part of the sales division business, Specialized in development and production of business. |
| January 2017 | Valeo Bayen becomes the parent company of the Company through a tender offer. |
| June 2019 | Atsugi Plant was newly constructed. |
| March 2023 | Transfer Ichikoh Industries' mirror business to subsidiary Misato Industries through a company split (absorption-type split). |
| August 2023 | Misato Industries shares are sold to SMR |
