Founded in 1946 in Taira City, Gunma Prefecture as MITSUBA Electric Manufacturing Co., Ltd. It started by manufacturing bicycle power generators.
Established MITSUBA Electric Manufacturing Co., Ltd. in Taira City, Gunma Prefecture. Began selling bicycle power generators.
Established Mitsuba Electric Manufacturing Co., Ltd. in Kiryu City, Gunma Prefecture. Began selling bicycle power generation lamps.
In 1951, began production and sale of automotive horn devices, marking the start of the automotive business.
Start of production and sale of automotive horns. Automotive-related business begins.
In 1956, began production and sale of wiper motors.
Founded the Ryomo Electronic Computing Center Co., Ltd. in 1956.
Established American MITSUBA Corp. in Illinois, USA, in 1956.
Start of production and sale of wiper motors. Establishment of Ryomo Electronics Computing Center Co., Ltd.
Shares listed on the Tokyo Stock Exchange market.
Renamed to Ryomo Systems Co., Ltd.
Established American Mitsuba Corp. in Illinois, USA.
Shares listed on the Tokyo Stock Exchange Second Section.
Reclassified to the Tokyo Stock Exchange First Section.
Renamed to Mitsuba Co., Ltd.
Announced the New MITSUBA Environmental Declaration and Action Guidelines in 1997.
Announced new Mitsuba Environmental Declaration and Action Guidelines.
Established MITSUBA WAY in 2006.
Established MITSUBA WAY.
Merged with Automotive Electrical Industry Co., Ltd. in 2007.
Merged with Automotive Electrical Industry Co., Ltd.
Established MITSUBA Vision 2024 in 2014.
Established Mitsuba Vision 2024.
Announced MITSUBA Environmental Vision 2046 in 2017.
Announced Mitsuba Environmental Vision 2046.
Established MITSUBA Vision 2030 in 2021.
Announced the Carbon Neutrality Policy in 2021.
Established Mitsuba Vision 2030. Announced carbon-neutral policy.
Announced the Human Rights and Labor Policy in 2022.
Announced human rights and labor policy.
Announced the Renewable Energy Introduction Policy in 2024.
Announced renewable energy introduction policy.
Celebrated the 80th anniversary in 2026, conducting commemorative projects themed 'Connecting to a Bright Future. Conveying Joy and Security.'
In 2026, on the 80th anniversary of establishment, we carried out commemorative projects themed 'Connecting to a shining future. Conveying joy and peace of mind.' We overcame turbulent times and take a new step forward.
On the 80th anniversary of establishment, we carried out commemorative projects themed 'Connecting to a shining future. Conveying joy and peace of mind.'
On November 9, 2026, Mitsuba Co., Ltd. visited the Astemo Pro Honda SI Racing Team, which it had entered into a sponsorship agreement with. During the visit, bouquets and commemorative gifts were presented, and Coach Ito delivered a report on the current season's activities and expressed gratitude.
The Toyooka Factory "Factory Festival" scheduled for Saturday, November 7, has been cancelled due to various circumstances. We sincerely apologize for the sudden notice to everyone who was looking forward to the event.
On September 3, Thai Summit Mitsuba Electric Manufacturing (TSM) received the 2026 Award for Excellence in Labor and Labor Relations Management from Thailand's Ministry of Labour. The award recognizes TSM for maintaining exceptionally high standards in labor relations and employee benefits for 20 consecutive years. The group will continue working with all employees to create a supportive workplace and grow the business.
Mitsuba Corporation received a letter of appreciation from Nissan Motor Co., Ltd. on September 1 for its business continuity planning (BCP) activities. The recognition reflects the company’s risk awareness and disaster prevention and mitigation efforts. This is the second consecutive year Mitsuba has received the letter. The company plans to continue its BCP activities to ensure stable operations and bring joy and peace of mind to people around the world.
At the 2026 Ene-1 MOTEGI GP on August 7, Mitsuba Co., Ltd. took the overall first and second places in the KV-Moto class and first overall in the KV-40 class. Electric vehicles using high-efficiency drive systems posted consistently strong times, demonstrating the company’s motor and energy-management technology. Mitsuba plans to apply these technologies to micromobility products.
Mitsuba Co., Ltd. expressed its condolences to those who lost their lives in the 2026 Kumamoto earthquake and sympathy for those affected. The company will donate ¥3 million to support recovery, with the funds planned for Kumamoto Prefecture and the Japanese Red Cross Society.
The 2025 'Ene-1 SUZUKA Challenge' was held at Suzuka Circuit, where Mitsuba's electric motorcycle achieved first and second place in the KV-Moto division.
A free charity concert will be held at Miki Hitoshi Kiryu Cultural Hall on January 24, 2026, featuring performances and a lottery.
Mitsuba Corporation will exhibit at the technology exhibition held at Tokyo Big Sight from January 21, 2026, and will propose new products for electric mobility.
Our group's sustainability initiatives received high ratings in the CDP and EcoVadis evaluations.