As a wholly-owned subsidiary of Renesas Electronics Corporation, Renesas Semiconductor Manufacturing Co., Ltd. is responsible for the operations for the six semiconductor front-end production factories located in Japan (Naka, Kawashiri, Saijo, Takasaki, Shiga and Yamaguchi).
Company Outline
- Company Name
- Renesas Semiconductor Manufacturing Co., Ltd.
- Headquarters
- 751, Horiguchi, Hitachinaka-shi, Ibaraki, 312-8511, Japan
- Capital Stock
- 100 million yen (A wholly owned subsidiary of Renesas Electronics Corporation)
- Established
- July 1, 1983 (NEC Kansai, Ltd.)
Started operation on April 1, 2014 (Renesas Semiconductor Manufacturing Co., Ltd.) - Representative
- Hidehiko Kozawa, Representative Director and President
- Major Operations
- Manufacture and sale of electronic components
(Front-end production of integrated circuits)
Locations

Front-end production site in Japan:
6 sites (Renesas Semiconductor Manufacturing Co., Ltd.)
Back-end production site in Japan:
3 sites (Renesas Electronics Corporation)
(as of October 1, 2020)
- Headquarters/
Naka Factory - 751, Horiguchi, Hitachinaka-shi, Ibaraki, 312-8511, Japan
TEL. 029-272-3111 - Takasaki Factory
- 111, Nishiyokotemachi, Takasaki-shi, Gunma, 370-0021, Japan
TEL. 027-352-2111 - Shiga Factory
- 2-9-1, Seiran, Otsu-shi, Shiga, 520-8555, Japan
TEL. 077-537-2100 - Yamaguchi Factory
- 20192-3, Higashimagura Jinga, Ube-shi, Yamaguchi, 757-0298, Japan
TEL. 0836-67-2111 - Saijo Factory
- 8-6, Hiuchi, Saijo-shi, Ehime, 793-8501, Japan
TEL. 0897-55-1811 - Kawashiri Factory
- 1-1-1, Yahata, Minami-ku, Kumamoto-shi, Kumamoto, 861-4195, Japan
TEL. 096-357-2111 - Musashi Site
- 5-20-1, Josuihon-cho, Kodaira-shi, Tokyo, 187-8588, Japan
(a section of Renesas Electronics Corporation Musashi Site)
Management
Representative Director and President
Hidehiko Kozawa
Corporate Auditor (part-time)
Yuzo Ito
Factory Managers
Vice President, Naka Factory
Takeo Muragishi
Vice President, Takasaki Factory
Isao Onodera
Vice President, Shiga Factory
Yukio Arai
Vice President, Yamaguchi Factory
Mikio Okamura
Vice President, Saijo Factory
Shinji Kimura
Vice President, Kawashiri Factory
Kenji Kanamitsu