| 1946 | Mar. | Mitsuba Electric Mfg. Co., Ltd. was founded in Kiryu, Gunma Prefecture. |
Kiryu Plant (Shimizu-cho) when it was founded
MH-1 type horns were released for sale
WP type wiper motors were released for sale
Ryomo Computing Center Co., Ltd. was founded
CME Corporation was founded |
| Jun. | Sale of generator lamps for bicycles began. | ||
| 1951 | Jun. | Production and sale of auto horns began. Auto related operations began. |
|
| 1956 | Mar. | Production and sale of wiper motors began. | |
| 1970 | Jan. | Ryomo Computing Center Co., Ltd. was founded (Renamed to Ryomo Systems Co., Ltd. in July 1982) |
|
| 1976 | Jul. | Niisato Plant was built and began operation. | |
| 1977 | Jun. | Mitsuba shares were for the first time offered publicly at the Tokyo Over-the-Counter Market. | |
| 1987 | Jul. | CME Corporation was founded in Michigan, U.S.A. | |
| 1988 | Feb. | Mitsuba shares were listed on the Second Section of the Tokyo Stock Exchange. | |
| 1989 | Jun. | Test center was built in Niisato. | |
| Sept. | Listing of Mitsuba shares was changed from the Second to the First Section of the Tokyo Stock Exchange. | ||
| 1993 | May | Mitsuba announced the Mitsuba Environmental Declaration and Directions for Action. | |
| 1996 | Jul. | CI was implemented. | |
| Oct. | Business name was changed to Mitsuba Corporation. | ||
| 1997 | Sept. | Mitsuba announced the New Mitsuba Environmental Declaration and Directions for Action. | |
| 2001 | Oct. | R&D organizations were centered in the Kiryu region. Mitsuba R&D Center was established. | |
| 2002 | Apr. | Mitsuba acquired the automobile mirror/lamp business from Oshima Electric Works Co., Ltd., a Mitsuba-affiliated company. | |
| Dec. | Mitsuba entered into a business and capital partnership agreement with The Jidosha Denki Kogyo Co., Ltd. (JIDECO). | ||
| 2004 | Aug. | The Jidosha Denki Kogyo Co., Ltd. (JIDECO) became a wholly owned subsidiary through a share exchange. | |
| 2005 | Apr. | Automotive components and accessories operations were spun off into individual corporations through a company split. | |
| 2006 | Dec. | MITSUBA WAY was established. | |
| 2007 | Apr. | The Jidosha Denki Kogyo Co., Ltd. (JIDECO) merged with Mitsuba. |