Company Information

Message from the President

Masahiko Suzuki, President We are pleased to announce that we have made a new beginning as MinebeaMitsumi group through the 100% share transfer from Hitachi, Ltd.

We have more than 10 years of business partnership with MinebeaMitsumi and further synergy is expected in the area of production expansion & optimization as well as in the wide range business field (Machined Components Segment, Electronic Devices and Components Segment and Automotive/Industrial Machinery/Home Related Products) with our core product lineup, IGBT・SiC, High Voltage ICs and Diodes.

We will also create new synergy in the close product/technology category with MinebeaMitsumi such as Semiconductor, Sensor, Motor control and Power Supply devices and we are committed to contributing to the society through the products of power semiconductor devices with low loss technology in order to support people's happiness in environment-friendly Green Energy & Mobility.

We sincerely appreciate and hope the continuous support of those customers who have chosen our products and we are also committed to supporting new customers interested in adapting our products.

Minebea Power Semiconductor Device Inc.
Masahiko Suzuki, President

Company Overview

Company Name Minebea Power Semiconductor Device Inc.
Established October 1, 2013 (Trade name change:May 2, 2024)
Location Head Office 5-2-2, Omikacho, Hitachi-shi, Ibaraki, 319-1221, Japan
Tokyo Head Office 1-9-3, Higashi-shimbashi, Minato-ku, Tokyo, 105-0021
Representative Masahiko Suzuki, President
Capital 450 million yen
Number of Employees 1,068 (As of March 2024)
Outline of Business
  • Design, production and sales of Semiconductor components.
  • Design, production and sales of Semiconductor application equipment and components.


1957Started Production of Power Diodes at Hitachi works.
1973Established Hitachi Haramachi Electronics Co., Ltd.
1974Established Haramachi Factory.
1980Rinkai factory started operation.
1995Established Haramachi Factory 2.
2011Established Yamanashi Factory.
2013Transferred Hitachi Power Semiconductor business to Hitachi Haramachi Electronics Co., Ltd by company split and Established Hitachi Power Semiconductor Device, Ltd.
2024Established Minebea Power Semiconductor Device Inc.

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