Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568361 | Valve operating device for internal combustion engines | Seinosuke Hara, Keisuke Takeda, Yoshihiko Yamada | 2003-05-27 |
| 6561148 | Variable valve mechanism of internal combustion engine | Katsuya Moteki, Shinichi Takemura | 2003-05-13 |