Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6605166 | Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation | Seiichi Koike, Mitsuo Takashima, Katsuhiro Tsukiyama, Nobuhiko Ibaraki | 2003-08-12 |