Milestones

Reflections from Meidensha’s founder

Meidensha Corporation started with one young man’s ambitious vision.
This video presents some of the goals and ideas that continue to shape the Company today, 120 years after our founding.

1897-1930s
1897Company formed
1913Meiden Osaki Works established.
1917Incorporated.
1935Meiden Nagoya Works established.
1937Meiden Shinagawa Works established.
1939Meiden Nishio Factory established.
Established in December 1897 by Hosui Shigemune (first Company president)
Company succeeds in developing its first electric motor. Beginning of Motor no Meidensha
Company’s first vertical shaft generator
1940s-1950s
1955Concluded a technical license agreement with AEG in Frankfurt am Main, Germany on its transformers and on-load tap changers.
1958Head Office opened in Chiyoda City, Tokyo.
Release of Utopia electric cooker. Marketed as part of campaign responding to economic downturn
Company’s first turbine power generator
First electric fan model (Ibuki) goes into production at Nagoya Plant
1960s
1961Meiden Numazu Works established. Transformer factory started operation.
Concluded technical license agreement with ASEA in Stockholm, Sweden on its turbine generators.
1967New Electronic Equipment Factory established in Numazu City
1968Concluded technical license agreement with G.E., U.S.A., on its vacuum interrupters.
1969Concluded technical license agreement with SEVCON in England on its forklift truck electrical appliances.
Concluded technical license agreement with AEG in Frankfurt am Main, Germany on its thyristor rectifiers, control equipment, and processing lines.
Series of standard induction electric motors released
Scott-T transformer for mobile use assists opening of Tokaido Shinkansen rail line
Business expansion into Thailand market
1970s
1972"Powertronics" ad released.
1973Concluded a technical license agreement with G.E., U.S.A. on its induction heating and welding static power converters.
1976Gotanda Office opened.
1977Meiden Ohta Works established.
1979Begun the production of power transformers in Singapore.
Monitoring and control system for water supply
Completed full turnkey construction of large anechoic room for vehicle noise testing
Meidensha is a pioneer in zinc oxide surge arresters, manufacturing and delivering several world record-breaking products
1980s
1980"Powertronics &Mechatronics" ad released.
1983"Powertronics &Mechatronics &Electronics" ad released.
1987Memorial technology exhibition held to celebrate the Company's 90th anniversary.
Changed its English name to MEIDENSHA CORPORATION.
Developed highly earthquake-resistant tank circuit breaker
The μPORT Series is the flagship product line of Meidensha’s electronics segment
The Tsugaru-Kaikyo Line was built to Shinkansen specifications but opened as an ordinary line
1990s
1993Meiden R & D Center established.
1995Relocated the Head Office to Chuo City, Tokyo.
1997Marked the 100th anniversary.
Singapore MRT project
Began mass-producing vacuum variable capacitors
Developed pulse power supply for semiconductor exposure equipment
2000s
2000Released a New Medium-Term Management Plan "New Construction 21 (NC 21)"
Announced a partnership agreement among Hitachi, Ltd., Fuji Electric Systems Co., Ltd. and Meiden for a joint business of medium-voltage electric motor and small and medium capacity generator
Japan Motor & Generator Co., Ltd. established as a joint venture by the three companies for the medium-voltage electric motor and small and medium class generator products.
2001Announced a partnership agreement among Hitachi, Ltd., Fuji Electric Systems Co., Ltd. and Meiden for a joint business of the power transmission and distribution ("T & D" products.
Japan AE Power Systems Corp. established as a joint venture by the three companies for T & D products.
Established wind power generation company M Winds Co., Ltd.
2002Split the Company's T & D busines unit and transferred its employees, assets, facilities, and part of the goodwill to Japan AE Power Systems.
2003Merged a once separated public company, Meiden Engineering Corporation, to Meidensha Corporation.
2004MSA Co., Ltd. established as a joint venture between ABB Group and Meiden in the surge arrestor business.
2005Begun the construction of ThinkPark Tower as a joint project with World Trade Center Building Inc., Tokyo
2006Implemented the spin-off of the business unit involving R & D and production of motors and merged into Kofu Meidensha Electric Mfg. Co., Ltd.
Meiden Hangzhou Drive Systems Co., Ltd. established in Hangzhou, China. Begun the production of motors.
2007Marked its 110th anniversary.
Relocated the Head Office to Osaki, Shinagawa City upon completion of the ThinkPark Tower Building.
2008Appointed Keiji Kataoka as Chairman and Representative Director and Junzo Inamura as President and Representative Director.
2009Signed an agreement on business and capital alliance with Ono Sokki Co., Ltd., in Yokohama for the automotive testing systems business.
Developed wireless synchronization equipment for vehicle-mounted electricity generators
Built ThinkPark Tower on site of former Osaki Plant. Commercial complex with 30 levels above ground and 2 below.
Released world’s first commercial EV drive system
2010s
2012A joint venture company, Japan AE Power Systems Corporation, dissolved and the T & D business operation previously or then related to Meiden succeeded.
2013Appointed Junzo Inamura as Chairman and Representative Director and Yuji Hamasaki as President and Representative Director.
Implemented the spin-off of the maintenance and after-sales service business unit and established four firms: Meiden Engineering Corporation, Meiden Engineering East Japan Corporation, Meiden Engineering Central Japan Corporation, and Meiden Engineering West Japan Corporation.
2014Capital investment to Prime Electric Ltd. in India and established Prime Meiden Ltd. as a joint venture.
2015Maintenance and after-sales service business reorganized into Meiden O&M Corporation and Meiden Engineering Corporation.
Tridelta (now Tridelta Meidensha GmbH) acquired from Tridelta GmbH
2017Our 120th anniversary
2018Appointed Yuji Hamasaki as Chairman and Representative Director and Takeshi Miida as President and Representative Director.
2019.5Established Meiden Hangzhou Drive Systems Co., Ltd.
2019.6Acquired EAML Engineering Co., Ltd. as consolidated subsidiary
Developed flat ceramic membrane
Developed PMG for variable-speed water turbines
Developed transformerless high-voltage inverter
2020s
2020Established Meiden Nanoprocess Innovations, Inc.
Invested in Vietstar Industry Corporation (now VSM)
Established Meiden America Switchgear, Inc.
Established EV plant in Nagoya
2023Appointed Takeshi Miida as Representative Director & Chairman & Senior Officer and Akio Inoue as Representative Director & President & Executive Officer.

The page below describes the history of Meidensha Corporation’s activities, products and technology development work from the Meiji era to the present day. It is illustrated with rare historical photographs.

  • *The history page was created in 2017 to mark Meidensha’s 120th anniversary.