Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645319 | Wire rod for drawing superior in twisting characteristics and method for production thereof | Mamoru Nagao, Kenji Ochiai, Takaaki Minamida, Hiroshi Yaguchi | 2003-11-11 |
| 6605166 | Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation | Seiichi Koike, Mitsuo Takashima, Katsuhiro Tsukiyama, Yuichi Namimura | 2003-08-12 |