Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618397 | Vehicle-power-generator control apparatus | Norifumi Uno, Junya Sasaki | 2023-04-04 |
| 11529942 | Generator control system for vehicle | Norifumi Uno, Junya Sasaki | 2022-12-20 |
| 9263957 | Switching power supply circuit and LED illumination device | Toshiya Fujiyama, Ryohta Takahashi, Yasuo Kudara | 2016-02-16 |
| 6293870 | Friction element for a damper disc having a friction adjusting element | Tamio Nagano, Saburo Nakanishi, Yoshitaka Kitamura, Hiroshi Uehara | 2001-09-25 |
| 6210280 | Damper disc assembly having non-rotatable spring seats | Tamio Nagano, Saburo Nakanishi, Yoshitaka Kitamura, Hiroshi Uehara | 2001-04-03 |
| 6039161 | Twin-clutch device | Masanobu Tanaka | 2000-03-21 |
| 6013938 | Power control device | Gen Ueuchi, Hirofumi Tsunano | 2000-01-11 |
| 6006884 | Clutch disk assembly | Hiroshi Kobayashi | 1999-12-28 |
| 6004213 | Damper disc assembly having spring seats for changing a phase relationship of the disc assembly | Tamio Nagano, Saburo Nakanishi, Yoshitaka Kitamura, Hiroshi Uehara | 1999-12-21 |
| 5954585 | Damper disc assembly having friction elements each having a different coefficient of friction | Tamio Nagano, Saburo Nakanishi, Yoshitaka Kitamura, Hiroshi Uehara | 1999-09-21 |
| 5890576 | Clutch disc assembly | Hisashi Honjo, Ikuo Murata, Yasuyuki Hashimoto | 1999-04-06 |
| 5868623 | Resilient element having an elastic portion and seat portions for use in a vibration damping device | Yasuyuki Hashimoto, Hiroshi Teramae | 1999-02-09 |
| 5826691 | Clutch cover assembly having a diaphragm spring and a secondary biasing spring working in tandem | Masaaki Asada, Toshiya Kosumi, Hiroshi Mizukami | 1998-10-27 |
| 5813915 | Damper disk assembly having multiple stage dampening characteristics | — | 1998-09-29 |
| 5782694 | Damper disc assembly having a plate formed with lubricating members for reducing friction caused by engagement with damper springs | Hisashi Honjo, Ikuo Murata, Hiroyuki Matsubara | 1998-07-21 |
| 5715922 | Friction generating mechanism for a damper disc assembly | — | 1998-02-10 |
| 5707290 | Damper disc assembly | — | 1998-01-13 |
| 5690553 | Resilent element having an elastic portion and seat portions for use in a vibration damping device | Yasuyuki Hashimoto, Hiroshi Teramae | 1997-11-25 |
| 5690554 | Torsion damper for a clutch disk | Yasuyuki Hashimoto, Hiroshi Teramae | 1997-11-25 |
| 5609526 | Damper disc assembly | Koji Kitayama | 1997-03-11 |