Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5795080 | Needle bearing retainer and a needle bearing | Yoshitsugu Fujiwara, Masahiro Noguchi | 1998-08-18 |
| 5148779 | Valve rotating apparatus of internal-combustion engine | Hiroshi Sato, Kenji Takahashi, Kazuo Uchida | 1992-09-22 |