Corporate Information

Seiko NPC Corporation was founded in 1975 as a semiconductor manufacturer of the Seiko Holdings Group. Each Seiko Holdings Group company, using creativity and technologies specific to it, ships products with high added value over a broad area. Among the group companies, Seiko NPC specializes in semiconductors, benefiting from the synergy provided by its group membership.

As principal device components, our typical crystal oscillation ICs, dominant in the world market, support clocks that provide the reference signals used to control a variety of electronic devices.

Seiko NPC Corporation is based at Tokyo. Its Nasushiobara Unit, which produces IC components, is located in Nasushiobara-shi, in Nikko National Park, in Tochigi Prefecture. Internally, the company provides a total framework that embraces planning, design, manufacturing, and sales.

Location [Corporate Headquarters / Tokyo Sales Office]
1-9-9, Hatchobori, Chuo-ku, Tokyo
104-0032, Japan Map
TEL +81-3-5541-6500 FAX +81-3-5541-6510
Sales: TEL +81-3-5541-6501 FAX +81-3-5541-6510
[Nasushiobara Unit / Shiobara Sales Office]
531-1, Shimotano, Nasushiobara-shi,
Tochigi 329-2811, Japan Map
TEL +81-287-35-3111 FAX +81-287-35-3120
Sales: TEL +81-287-35-4091 FAX +81-287-35-3117
[Kansai Sales Office]
1-17-26, Esakacho, Suita-shi,
Osaka 564-0063, Japan Map
TEL +81-6-6192-8160 FAX +81-6-6192-8161
[Taiwan Office]
9F-5, No.91, Huayin St., Datong Dist.,
Taipei City 103-51, Taiwan, R.O.C. Map
TEL +886-2-2555-9885 FAX +886-2-2555-9419
Stock exchange Not listed
Date of settlement March 31
Foundation February 27, 1975
Capital 1 billion yen
Stock holder Seiko Holdings Corporation, 100%
Business outline Development, manufacturing and sales of semiconductor products
Number of employees 219
Main banks Mizuho Bank
[President] Hiroaki Okawa
[Director] Yoshinobu Nakamura
[Director] Akihiro Okuma
[Director] Shimesu Takizawa
[Director] Kazuhiko Sakamoto
[Director] Hitoshi Murakami
[Auditor] Masatoshi Suzuki
[Auditor] Haruhiko Takagi
[Senior Vice President] Kimio Yomogida
[Senior Vice President] Katsuya Kuniyoshi