Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11831302 | Drive circuit for switch | Yuuta Nakamura, Yasuaki Aoki, Takashi Yoshiya, Tomohiro Nezuka, Akimasa Niwa | 2023-11-28 |
| 10892698 | Current detection apparatus and control apparatus of rotary electric machine | Yasuaki Aoki, Yosuke Matsuki | 2021-01-12 |
| 8829829 | Apparatus for calculating rotational position of rotary machine | Hiroko Yoneshima, Yasuaki Aoki | 2014-09-09 |
| 8427088 | Apparatus for carrying out improved control of rotary machine | Akihiro Imura, Masami Fujitsuna, Muneaki Ishida, Tadanao Zanma | 2013-04-23 |
| 8106622 | Control system for multiphase rotary machines | Yasuaki Aoki | 2012-01-31 |
| 7992400 | Refrigerating apparatus and fluid machine therefor | Keiichi Uno, Hironori Asa, Yasuhiro Takeuchi, Akihiro Imura, Atsushi Inaba +5 more | 2011-08-09 |
| 7418824 | Refrigerating apparatus and fluid machine therefor | Keiichi Uno, Hironori Asa, Yasuhiro Takeuchi, Akihiro Imura, Atsushi Inaba +5 more | 2008-09-02 |
| 7181919 | System utilizing waste heat of internal combustion engine | Keiichi Uno, Hironori Asa, Atsushi Inaba, Takashi Yamanaka, Hiroshi Ogawa | 2007-02-27 |
| 7026782 | Method and apparatus for controlling synchronous motor | Yasuaki Aoki, Hiroshi Amano | 2006-04-11 |
| 6799553 | Variable valve timing controller | Akihiko Takenaka, Haruyuki Urushihata, Hideji Tani, Takayuki Inohara | 2004-10-05 |
| 6745472 | Manufacturing method of steel ball for rolling bearing | Yoshiki Fujita, Hajime Tazumi, Kazuyuki Nishikita | 2004-06-08 |
| 6583602 | Vehicular power supply apparatus and method of controlling the same | Atsushi Imai, Tetsuya Nagata | 2003-06-24 |
| 6483212 | Reluctance-type electric motor | Naohisa Mimura, Yoshiyuki Takabe, Shinji Makita, Tomohiro Saitou | 2002-11-19 |
| 6441529 | Reluctance-type motor having widened bottom | Naohisa Mimura, Yoshiyuki Takabe, Shinji Makita, Tomohiro Saitou | 2002-08-27 |
| 6423111 | Ball for ball-point pen | Kazuyuki Nishikita | 2002-07-23 |
| 6236132 | Reluctance type motor | Tomohiro Saito, Shinji Makita, Masami Fujitsuna, Naohisa Mimura, Yoshiyuki Takabe | 2001-05-22 |
| 6232741 | Reluctance type motor apparatus and driving method capable of reducing ripples in motor output torque | Tomohiro Saitou, Shinji Makita, Naohisa Mimura, Yoshiyuki Takabe | 2001-05-15 |
| 6081095 | Voltage balancer device for combination battery | Hiroshi Tamura, Tetsuya Nagata | 2000-06-27 |
| 5554930 | Spark plug voltage probe device in an internal combustion engine | Shigeru Miyata, Yoshihiro Matsubara, Yasuo Ito, Takashi Suzuki | 1996-09-10 |
| 5543716 | Sparkplug voltage probe for use with an internal combustion engine by clamping sparkplug cables with an insulation base | Shigeru Miyata, Yoshitaka Yamada, Yoshihiro Matsubara, Yasuo Ito | 1996-08-06 |
| 5491417 | Sparkplug voltage probe device having a capacitance compensating function for an internal combustion engine | Shigeru Miyata, Yoshitaka Yamada, Yoshihiro Matsubara, Yasuo Ito | 1996-02-13 |
| 5477148 | Spark plug voltage probe device for use in an internal combustion engine | Shigeru Miyata, Yoshihiro Matsubara, Yasuo Ito, Takashi Suzuki | 1995-12-19 |
| 5453694 | Snap-in type sparkplug voltage probe device for use in internal combustion engine | Shigeru Miyata, Yoshitaka Yamada, Yoshihiro Matsubara, Yasuo Ito | 1995-09-26 |
| 5426370 | Spark plug voltage probe device for detecting a burning condition and reducing noise level in an internal combustion engine | Shigeru Miyata, Yoshitaka Yamada, Yoshihiro Matsubara, Yasuo Ito | 1995-06-20 |
| 5365910 | Misfire detector for use in internal combustion engine | Shigeru Miyata, Yoshihiro Matsubara, Yasuo Ito | 1994-11-22 |