Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6732688 | Valve timing control system for internal combustion engine | Shigeaki Yamamuro, Masahiko Watanabe | 2004-05-11 |
| 6679209 | Valve timing control apparatus for internal combustion engine | Tsutomu Hibi | 2004-01-20 |
| 6675754 | Valve timing control apparatus | Masahiko Watanabe | 2004-01-13 |
| 6672265 | Valve timing control system for internal combustion engine | Tamotsu Todo, Kazuhiko Takayanagi, Shigeaki Yamamuro | 2004-01-06 |