Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6679954 | High-strength, high-toughness stainless steel excellent in resistance to delayed fracture | Koji Takano, Koichi Yoshimura | 2004-01-20 |
| 5433798 | High strength martensitic stainless steel having superior rusting resistance | Koji Takano, Mizuo Sakakibara, Satoshi Araki, Wataru Murata, Koichi Yoshimura | 1995-07-18 |