Issued Patents All Time
Showing 151–170 of 170 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5742107 | Rotary cooling fan | Yoshihito Asao | 1998-04-21 |
| 5729063 | Vehicle AC generator | Kazunori Tanaka, Kyoko Kurusu | 1998-03-17 |
| 5708929 | Contact charging image forming apparatus having improved image transfer | Takashi Hayakawa | 1998-01-13 |
| 5693992 | Cooling fan structure for AC generator | Kyoko Kurusu | 1997-12-02 |
| 5689778 | Image forming apparatus | Takashi Hayakawa | 1997-11-18 |
| 5686780 | Brush holder integrated with voltage regulator for a vehicle AC generator | Ryuichi Ikeda, Kyoko Kurusu | 1997-11-11 |
| 5682070 | Vehicle-mounted alternator | Kazunori Tanaka, Kyoko Kurusu | 1997-10-28 |
| 5646599 | Failure warning system of electric power unit in vehicle | — | 1997-07-08 |
| 5606246 | Power supply unit for vehicles | — | 1997-02-25 |
| 5602659 | Liquid crystal light valve with photoconductor including light absorbing and light blocking layers of non-alloy amorphous silicon | Takashi Hayakawa, Shiro Narikawa | 1997-02-11 |
| 5592263 | Charging device | Shiro Narikawa, Takashi Hayakawa, Yukihito Nishio, Hirofumi Yanagizawa, Takumi Sakamoto +1 more | 1997-01-07 |
| 5576584 | Stator of a vehicular alternating current generator and its manufacturing method | Katsuhiko Kusumoto, Hiroki Katayama | 1996-11-19 |
| 5563691 | Image-forming apparatus | Takashi Hayakawa, Yuhi Yui | 1996-10-08 |
| 5555079 | Image forming apparatus for preventing damage to conductive fibers on a charging member | Takashi Hayakawa | 1996-09-10 |
| 5550415 | Vehicular alternating current generator | Kyoko Kurusu | 1996-08-27 |
| 5426488 | Method of charging a built-in electrophotographic charge member | Takashi Hayakawa, Kenji Tani | 1995-06-20 |
| 5398043 | Driving method for a display device | Etsuya Takeda, Ichiro Yamashita, Takashi Tsukada | 1995-03-14 |
| 5324549 | Method of fabricating photoconductor coupled liquid crystal light valve | Takashi Hayakawa, Shiro Narikawa, Akitsugu Hatano | 1994-06-28 |
| 4683390 | Terminal structure for an automotive AC generator | Hideo Imori | 1987-07-28 |
| 4185301 | Scanning velocity modulation system | Katsumi Mitsuda, Katsuhiko Yamamoto, Susumu Tsujihara, Taiichi Saeki, Minoru Takeda | 1980-01-22 |