Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7225774 | Valve timing control apparatus for internal combustion engine | Kotaro Watanabe, Hidekazu Yoshida, Tomoya Tsukada | 2007-06-05 |
| 6497208 | Variable valve control apparatus for an internal combustion engine | — | 2002-12-24 |
| 6418895 | Variable valve open-and-closure timing changing apparatus for internal combustion engine | Yoshinori Ichinosawa | 2002-07-16 |
| 6394052 | Variable valve control apparatus for an internal combustion engine | Masahiko Watanabe | 2002-05-28 |
| 6318319 | Valve timing control device for an internal combustion engine | Yoshinori Ichinosawa, Naotaka Nakura | 2001-11-20 |
| 6314929 | Valve timing control device of internal combustion engine | Akinobu Maeyama, Hiroaki Imai | 2001-11-13 |
| 5894824 | Piston for internal combustion engines | Hiroaki Watanabe, Kazuhiko Shirane, Shingo Motoda | 1999-04-20 |