Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11380465 | Rare earth cobalt-based permanent magnet | Teruhiko Fujiwara, Hiroaki MACHIDA, Hideyuki Yoshikawa | 2022-07-05 |
| 7102264 | Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor | Toshihito Yanashima, Keijiro Igarashi, Kazuhiko Arai, Eiichi Murata, Noboru Onodera +3 more | 2006-09-05 |
| 6873081 | Brushless DC motor and refrigerant compressor employing the motor | Kazuhiko Arai, Keijiro Igarashi | 2005-03-29 |
| 6737783 | Sealed motor compressor | Toshihito Yanashima, Yoshitomo Nakayama, Shigemi Koiso, Kazuhiko Arai, Keijiro Igarashi | 2004-05-18 |
| 6703748 | Brushless DC motor and refrigerant compressor employing the motor | Kazuhiko Arai, Keijiro Igarashi | 2004-03-09 |
| 6700270 | Synchronous induction motor | Toshihito Yanashima, Kazuhiko Arai, Keijiro Igarashi, Eiichi Murata, Masanori Yamashita +3 more | 2004-03-02 |
| 6582207 | Motor compressor and cooling apparatus using the same | Kenzo Matsumoto, Manabu Takenaka, Tsuyoshi Higuchi, Kazuaki Fujiwara, Keijiro Igarashi +1 more | 2003-06-24 |
| 6414413 | Brushless DC motor and refrigerant compressor employing the motor | Kazuhiko Arai, Keijiro Igarashi | 2002-07-02 |
| 5506486 | Control apparatus for compressor with induction motor | Norio Hayashi, Takashi Ogawa, Keishiro Igarashi | 1996-04-09 |
| 5119071 | Method and apparatus for controlling induction motor for compressor | Takashi Ogawa, Norio Hayashi | 1992-06-02 |