Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7311069 | Variable valve timing control device | Masaki Kobayashi, Kazumi Ogawa, Yoshiyuki Kawai | 2007-12-25 |
| 6827052 | Variable valve timing device | Masaki Kobayashi | 2004-12-07 |
| 6662769 | Valve timing control device | Kazumi Ogawa, Masaki Kobayashi | 2003-12-16 |
| 6338322 | Valve timing control device | Kazumi Ogawa, Hideki Nakayoshi, Yoshitomo Nakai | 2002-01-15 |
| 6311658 | Valve timing control device | — | 2001-11-06 |
| 6035819 | Variable valve timing controller | Hideki Nakayoshi, Kongo Aoki | 2000-03-14 |
| 5979380 | Valve timing control device | Hiroyuki Nakadouzono, Kazumi Ogawa, Kongo Aoki, Naoki Kira | 1999-11-09 |
| 5931126 | Valve timing control device | Atsushi Sato | 1999-08-03 |
| 5836277 | Valve timing control device | Naoki Kira, Kazumi Ogawa, Motoo Nakamura | 1998-11-17 |
| 5826552 | Variable valve timing device | Yuji Noguchi, Kongo Aoki | 1998-10-27 |
| 5775279 | Valve timing control device | Kazumi Ogawa, Kongo Aoki | 1998-07-07 |
| 5645021 | Valve timing adjusting mechanism for internal combustion engine | Naoki Kira | 1997-07-08 |
| 5638782 | Valve timing control device | Atsushi Sato, Yoshiyuki Kawai | 1997-06-17 |
| 5535705 | Variable valve timing system having rotational vibration damper | Atsushi Sato, Kenji Fujiwaki | 1996-07-16 |
| 4936742 | Water pump apparatus having lubricating oil circulation and axial thrust support | Atsushi Ohmi | 1990-06-26 |
| 4917052 | Water pump apparatus in an internal combustion engine | Atsushi Ohmi | 1990-04-17 |
| 4869649 | Water pump apparatus | Kenji Hattori | 1989-09-26 |