Meidensha Corporation (Meiden) held a ceremony on December 18 to mark the start of operations of new production lines for motors and inverters for electric-powered vehicles (EV) at its Nagoya Works. Meiden added the new production lines with the aim of further stabilizing and expanding its EV-related business.



This investment is part of the growth investment framework in Meiden’s Medium-term Management Plan 2020. The aim is to meet the demands of the expanding EV market and increase the size of the firm’s EV business by launching the company’s first production lines of inverter-integrated motors for automobiles.

Distinguished guests attending the ceremony included Issei Hatakeyama, Director-General of the Chubu Bureau of Economy, Trade and Industry, and Aichi Governor Hideaki Omura. They took part in the ribbon-cutting following the ceremony together with Meiden President Takeshi Miida.


From left: Chubu Bureau of Economy, Trade and Industry Director-General Issei Hatakeyama, Meiden President Takeshi Miida, and Aichi Governor Hideaki Omura

Given the increasingly rapid shift to a decarbonized society and the development of smart technology, Meiden has been placing great emphasis on the electrification of vehicles. The company will be increasingly focused on the EV-related business, with the aim of contributing to society through vehicle automation.


Scenes from the ceremony
Photo 1. Meiden President Takeshi Miida, left, with Chubu Bureau of Economy, Trade and Industry Director-General Issei Hatakeyama


Photo 2. Meiden President Takeshi Miida, left, with Aichi Governor Hideaki Omura


■Outline of the EV plant building and equipment

-Total floor space: about 4,600 m2

-Production capacity: 170,000 units per year (maximum annual production)

-Features of products
Integrated motors and inverters
⇒ So far, motors and inverters have been manufactured at two production bases. Inverter-integrated motors are manufactured at the Nagoya Works.

Higher efficiency through the use of flat wires
⇒ Replace conventional round wires with flat wires for higher efficiency.

--Thorough quality control
Automated production
⇒ Increase automation rate and eliminate human error

Image inspection
⇒ Missing article detection, screw hole and cable position detection, clamping position control, etc.

Temperature control
⇒ Shrink fit condition control, adhesive curing condition control, etc.

Uniform process data management
⇒ Linked to traceability database 

Press contacts:

Public & Investor Relations Division
e-mail: kouhou@mb.meidensha.co.jp