Kunohe Seimitsu Co., Ltd.｜9's-tec. World-oriented from Kunohe

Message

Message from the President

Kunohe Precision Co., Ltd. has supported the advancement of the electronics industry through the manufacturing of high-precision components, centered on micro metal processing and automated assembly and inspection technologies.
Our technologies play a key role in producing core components for advanced solutions provided by our parent company, S.E.R. Corporation, delivering products that meet diverse global needs in areas such as semiconductor testing processes, electronic device connectors, and high-frequency connectors.
Since 2025, we have entered a new stage as a member of the Hirose Electric Group, and by integrating with the Group’s technological capabilities and global network, we are committed to providing society with even higher-quality and more reliable products.
With pride in “Made in JAPAN,” we will continue to pursue technological innovation and quality improvement, contributing to society. We sincerely appreciate your continued support.

Chief Executive Officer

Tastuya Arai

Company Profile

Trade name	Kunohe Seimitsu Co., Ltd.
Founding	June 1973
Capital	￥20,000,000
Banking Partners	Bank of Iwate – Ibonai Branch The Shoko Chukin Bank Ltd. – Tokyo Branch Japan Finance Corporation – Omori Branch
CEO	Tastuya Arai
Board Members	Board Chairman Yukio Serizawa CEO Tastuya Arai Director Kazunori Ishii Auditor Keiji Hara
Business Activities	Cutting, Manufacturing, and Sale of Precision Parts Designing, Manufacturing, and Sale of Spring Probes Development, Manufacturing, and Sale of Electronic Equipment
Location	Kunohe Head Office Address : 30-2, Esashika 10, Kunohe Village, Kunohe District, Iwate Prefecture, 028-6505　 Morioka Factory Address : 5-2-15 Mitake, Morioka City, Iwate Prefecture 020-0122
	Head Office: Star Building, 1-14-8 Kitashinagawa, Shinagawa-ku, Tokyo 140-0001 Osaka Sales Office: Osaka Grand Building 2-14-14 Miyahara, Yodogawa-ku, Osaka-shi, Osaka 532-0003 Click here to visit website.

Company History

June 1973
Started as the Kunohe branch factory of Iwate Precision Industries Co., Ltd.
April 1978
Became Kunohe Precision Ltd. And began production of watch parts
October 1986
Relocated Head Office to current location (formerly Esashi Family Junior High School)
April 1997
Started production of spring probes
August 2001
Introduced the NC automatic lathes
July 2006
Changed company name to Kunohe Seimitsu Co., Ltd.
April 2017
Joined the SER Corporation Group
April 2017
Established the Morioka branch factory in Yuzawa, Morioka
October 2017
Relocated Morioka branch factory to current location (Mitake, Morioka)
September 2019
Introduced a machining center
December 2019
Established a production system capable of producing 4,000,000 spring probes per month.

Quality and Environmental Policy

We aim to manufacture products of the highest quality in the world.
We will conduct production activities that are rooted in the local community and consider the global environment, and will work towards the realization of a sustainable society.

1. In Iwate, a beautiful city rich in nature, we will manufacture products of the highest quality and launch them into the world.
2. We strive for continuous improvement in all production activities.
3. We will work to reduce environmental impact and permanently protect this beautiful natural environment.
4. We aim to be a company that lives together with the local community and is needed by the local community.