Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690321 | Vibration damping system for vehicle | Hirofumi Seni, Norihiko Nakao, Chiaki Santo, Naoki Ikeda, Shingo Harada +1 more | 1997-11-25 |
| 5651072 | Vibration damping system for vehicle | Norihiko Nakao, Naoki Ikeda, Chiaki Santo, Hirofumi Seni, Shingo Harada +1 more | 1997-07-22 |
| 5628499 | Counter vibration generating power unit mounting device | Naoki Ikeda | 1997-05-13 |
| 5617315 | Active vibration damping system for a vehicle | Norihiko Nakao, Yutaka Tukahara, Naoki Ikeda, Hirofumi Seni, Shingo Harada +1 more | 1997-04-01 |