Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648513 | Plain bearing | Yutaka Okamoto, Satoshi Imai, Hideo Ishikawa, Takayuki Shibayama, Ken Kitahara | 2003-11-18 |
| 6607820 | Composite sliding material | Takahiro Niwa, Eiji Kato, Takayuki Shibayama | 2003-08-19 |