Issued Patents All Time
Showing 1–6 of 6 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 |
| 6622674 | Valve timing control system for internal combustion engine | Yoshiyuki Kobayashi, Shigeaki Yamamuro | 2003-09-23 |
| 6318319 | Valve timing control device for an internal combustion engine | Hideyuki Miyasaka, Yoshinori Ichinosawa | 2001-11-20 |