| 1946 |
Founded in 1946 as Mitsuba Electric Manufacturing Co., Ltd. in Kiryu City, Gunma Prefecture. Started with the manufacture of bicycle generator lamps. |
| 1946 |
Established as Mitsuba Electric Works Co., Ltd. in Kiryu City, Gunma Prefecture. Started selling bicycle generator lamps. |
| 1951 |
In 1951, began production and sales of automotive horn devices, marking the start of the automotive-related business. |
| 1951 |
Started production and sales of automotive horns. Began automotive-related business. |
| 1956 |
Started production and sales of wiper motors in 1956. |
| 1956 |
Established Ryomo Electronics Calculation Center in 1956. |
| 1956 |
Founded American Mitsuba Corp. in Illinois, USA, in 1956. |
| 1956 |
Started production and sales of wiper motors. Founded Ryomo Electronic Computing Center. |
| 1977 |
Listed on the Tokyo Stock Exchange First Section. |
| 1982 |
Renamed to Ryomo Systems Co., Ltd. |
| 1986 |
Established American Mitsuba Corp. in Illinois, USA. |
| 1988 |
Listed on the Tokyo Stock Exchange Second Section. |
| 1989 |
Moved to the Tokyo Stock Exchange First Section. |
| 1996 |
Changed company name to Mitsuba Corporation. |
| 1997 |
Announced the New Mitsuba Environmental Declaration and Action Guidelines in 1997. |
| 1997 |
Announced new Mitsuba Environmental Declaration and Action Guidelines. |
| 2006 |
Established MITSUBA WAY in 2006. |
| 2006 |
Established the MITSUBA WAY. |
| 2007 |
Merged with Automotive Electric Industry Co., Ltd. in 2007. |
| 2007 |
Merged with Automotive Electric Industry Co., Ltd. |
| 2014 |
Formulated Mitsuba Vision 2024 in 2014. |
| 2014 |
Established Mitsuba Vision 2024. |
| 2017 |
Announced Mitsuba Environmental Vision 2046 in 2017. |
| 2017 |
Announced Mitsuba Environmental Vision 2046. |
| 2021 |
Formulated Mitsuba Vision 2030 in 2021. |
| 2021 |
Announced Carbon Neutral Policy in 2021. |
| 2021 |
Established Mitsuba Vision 2030 and announced carbon neutrality policy. |
| 2022 |
Announced Human Rights and Labor Policy in 2022. |
| 2022 |
Announced human rights and labor policies. |
| 2024 |
Announced the renewable energy introduction policy in 2024. |
| 2024 |
Renewable energy introduction policy. |
| 2026 |
Celebrated its 80th anniversary in 2026 with the theme "Connecting to a shining future. Conveying joy and security.". |
| 2026 |
Celebrated its 80th anniversary in 2026 with the theme "Connecting to a shining future. Conveying joy and security." Overcoming turbulent times, taking a new step. |