Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7565889 | Valve timing control apparatus | Kenji Fujiwaki, Shigeru Nakajima | 2009-07-28 |
| 6920853 | Variable valve timing control device | Shigeru Nakajima, Ichiro Hiratsuka, Takayuki Kurumi, Kazumi Ogawa | 2005-07-26 |