Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655026 | Production process for connecting rod for internal combustion engine | Zenji Iida, Shigeki Muroga, Seiichi Koike | 2003-12-02 |
| 6605166 | Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation | Seiichi Koike, Katsuhiro Tsukiyama, Yuichi Namimura, Nobuhiko Ibaraki | 2003-08-12 |