Notification of Commencement of Operation of the New Semiconductor Business Company Called SII Semiconductor Corporation

Seiko Holdings Corporation
Seiko Instruments Inc.
Development Bank of Japan Inc.
SII Semiconductor Corporation

Under the definitive agreement on the establishment of new semiconductor business company, business transfer, and share transfer concluded on September 8, 2015, Seiko Instruments Inc. (President: Hitoshi Murakami, Head Office: Chiba-shi, Chiba; hereinafter “SII”), a subsidiary of Seiko Holdings Corporation (President: Yoshinobu Nakamura, Head Office: Minato-ku, Tokyo; hereinafter “SHD”), and Development Bank of Japan Inc. (President & CEO: Masanori Yanagi, Head Office: Chiyoda-ku, Tokyo; hereinafter “DBJ”) today announced the completion of the joint investment by SII and DBJ for and the commencement of operation of SII Semiconductor Corporation (hereinafter “SII Semiconductor”) established on September 28, 2015.

In order to achieve future sustainable growth in the semiconductor market, which is under growing competitive pressure on a global level, SII Semiconductor aims to become a business entity being ranked among the world’s top five in the analog semiconductor industry by availing itself of DBJ’s extensive network and know-how in the field of M&A strategy. In addition, the new company strives to enhance manufacturing capability as well as its development function for semiconductor products including power management ICs, sensor ICs, and EEPROMs, featuring low-current consumption, low-voltage operation, and ultra-small package technologies that have been honed in the SII’s well-established history.

Outline of SII Semiconductor Corporation

Name:                               SII Semiconductor Corporation
Location:                          8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba
Representative:                  Chairman  Yoshihide Fujii
                     President & Representative Director  Nobumasa Ishiai
Business line:                     Manufacture and sale of semiconductors
Capital:                               9,250 million yen
Date of establishment:       September 28, 2015
Principal shareholders and ownership:
                                         Seiko Instruments Inc. 60%
                                         Development Bank of Japan Inc. 40%
Start of operation:               January 5, 2016


Press Contact:

Seiko Holdings Corporation
Public Relations Department
Tel: +81-3-6739-9002 Email:

Seiko Instruments Inc.
Corporate Communications Department
Tel: +81-43-211-1185 Email:

Development Bank of Japan Inc.
Public Relations & Corporate Social Responsibility Office,
Corporate Planning & Coordination Department
Tel: +81-3-3244-1180

After January 5, 2018, please contact ABLIC Inc. (

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