Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290369 | Method of gas sulphonitriding | Kazuyoshi Hatano, Ken Ichiryu, Morio Tamura, Eiji Kometani, Yasuharu Gotoh | 1994-03-01 |
| 5187017 | Sliding member, and method and apparatus for producing the same by gas sulphonitriding | Kazuyoshi Hatano, Ken Ichiryu, Morio Tamura, Eiji Kometani, Yasuharu Gotoh | 1993-02-16 |
| 4509995 | Method and apparatus for quenching | Takeshi Hachisu, Keiji Taguchi, Toshimi Sasaki, Tetsuo Matsumoto | 1985-04-09 |