Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660648 | Microalloyed steel for hot forging free of subsequent quenching and tempering, process for producing hot forging, and a hot forging | Hiromasa Takada, Motohide Mori, Masami Suzuki | 1997-08-26 |
| 5545267 | Steel product for induction-hardened shaft component and shaft component using the same | Tatsuro Ochi | 1996-08-13 |
| 5252153 | Process for producing steel bar wire rod for cold working | Tatsuro Ochi, Yukio Noguchi | 1993-10-12 |
| 4806178 | Non-heat refined steel bar having improved toughness | Yutaka Tsuchida, Nobukazu Suzuki | 1989-02-21 |