Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6732688 | Valve timing control system for internal combustion engine | Masahiko Watanabe, Naotaka Nakura | 2004-05-11 |
| 6672265 | Valve timing control system for internal combustion engine | Tamotsu Todo, Kazuhiko Takayanagi, Naotaka Nakura | 2004-01-06 |