Corporate Profile
Corporate Profile
| Corporate Name | Mitsubishi Steel Mfg. Co., Ltd. |
|---|---|
| Head Office | ![]() Daiwa Tsukishima Bldg., |
| Established | April 1917 |
| Founded | December 1949 |
| Capital | ¥10,003 million (Fiscal Year Ending March 2025) |
| Representative | Representative Director, President & CEO Jun Yamaguchi |
| Annual sales | Consolidated : ¥159.5 billion Non-consolidated : ¥84.7 billion (Fiscal Year Ending March 2025) |
| Employees | Consolidated : 3,841 Non-Consolidated : 681 (Fiscal Year Ending March 2025) |
| Works | Chiba Works, Hirota Works |
| R&D | Research and Development Center |
| Branches and Offices | Chubu(Nagoya), Nishi-Nihon(Osaka) |
| Sales Offices | Fukuoka, Hiroshima |
| Service Centers | Sapporo, Tomakomai, Morioka, Sendai, Nigata, Tokyo, Nagoya, Hokuriku, Osaka, Okayama, Hiroshima, Hukuoka |
Consolidated Sales Breakdown by Product

Main Products
Special Steel Bars, Springs, Construction Machinery Parts, Automotive Parts, Precision Parts, Special alloy Powder, Precision Castings, Castings, Forgings, Machinery and Equipment
Executives
【Directors & Corporate Auditors】
| Title | Name |
|---|---|
| Chairman of the board | Motoyuki Sato |
| Representative Director | Jun Yamaguchi |
| Representative Director | Keisuke Aoike |
| Director | Akira Yamao |
| Director | Minako Takeuchi |
| Director | Atsushi Hagita |
| Corporate Auditor | Yoshitaka Mio |
| Corporate Auditor | Yoshimi Nakamori |
| Corporate Auditor | Tetsuya Nakagawa |
| Corporate Auditor | Yuka Matsuda |
- *Ms. Minako Takeuchi and Mr. Atsushi Hagita are Outside Director.
Mr. Yoshitaka Mio, Mr. Tetsuya Nakagawa and Ms. Yuka Matsuda are Outside Corporate Auditor.
【Executive Officers】
| Title | Name |
|---|---|
| ○ President & CEO | Jun Yamaguchi |
| ○ Managing Executive Officer | Keisuke Aoike |
| ○ Managing Executive Officer | Akira Yamao |
| Managing Executive Officer | Junji Ogura |
| Senior Executive Officer | Koichi Yaginuma |
| Senior Executive Officer | Junya Shibata |
| Senior Executive Officer | Yasuhiro Adachi |
| Senior Executive Officer | Kazumasa Tokuchi |
| Executive Officer | Takuya Kurauchi |
| Executive Officer | Masahiro Murata |
| Executive Officer | Hidekazu Fukasawa |
| Executive Officer | Yasumasa Ohoka |
| Executive Officer | Toshiki Akahane |
| Executive Officer | Shigeo Adachi |
| Executive Officer | Takashi Numakawa |
* Officers denoted by a circle (○) serve concurrently as directors.
Organization

