Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6174835 | Exhaust gas purifying device and method for purifying exhaust gas | Isao Naito, Kazuo Oosumi | 2001-01-16 |
| 5866491 | Low frictional ceramic material for sliding member | — | 1999-02-02 |
| 5846644 | Low friction engine cylinder and production method therefor | Hideki Kita, Hideo Kawamura | 1998-12-08 |
| 5643842 | Low-friction ceramics | Hideo Yamamuro, Hideki Kita | 1997-07-01 |