Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427710 | Device for production of thin plate-like laminate having film-like resin layer | Takuzo Imaizumi, Naoki Shiba | 2025-09-30 |
| 11745488 | Method for production of thin plate-like laminate having film-like resin layer | Takuzo Imaizumi, Naoki Shiba | 2023-09-05 |
| 11158875 | Method of production of channel member for fuel cell | Takuzo Imaizumi, Naoki Shiba | 2021-10-26 |
| 11158876 | Method of production of channel member for fuel cell | Takuzo Imaizumi, Naoki Shiba | 2021-10-26 |
| 10849918 | Composition for optic nerve protection | Toru Nakazawa | 2020-12-01 |
| 10752775 | Silicone composition and cured product | Nobuaki Matsumoto, Akira Sakamoto, Masahiko Ishii, Hiroaki Takeuchi, Yushi Suzuki +1 more | 2020-08-25 |
| 10431839 | Method of production of channel member for fuel cell | Takuzo Imaizumi, Naoki Shiba | 2019-10-01 |
| 7855527 | Inverter device | Yasufumi Kurahashi | 2010-12-21 |
| 7821282 | Inverter that calculates an average value of direct current DC | Yasufumi Kurahashi | 2010-10-26 |
| 7751210 | Inverter device with improved 3-phase pulse width modulation and vehicle air conditioner using the same | — | 2010-07-06 |
| 7688018 | Inverter | Yasufumi Kurahashi | 2010-03-30 |
| 7583523 | Three phase inverter control circuit detecting two phase currents and deducting or adding identical ON periods | — | 2009-09-01 |
| 7574873 | Inverter device and air conditioner using inverter device | Keizo Matsui, Makoto Yoshida | 2009-08-18 |
| 7084598 | Driver of electric compressor | Makoto Yoshida | 2006-08-01 |
| 6838839 | Electric circuit of electric vehicle | Makoto Yoshida | 2005-01-04 |
| 6820437 | Air conditioner | Nobuyuki Nishii | 2004-11-23 |
| 6665200 | Air conditioner including a control unit powered by a switching power supply | Nobuyuki Nishii, Yasufumi Kurahashi | 2003-12-16 |
| 6657408 | Air conditioner | Nobuyuki Nishii, Yasufumi Kurahashi | 2003-12-02 |
| 6539739 | Automobile air conditioner | Nobuyuki Nishii, Yasufumi Kurahashi | 2003-04-01 |
| 6145330 | Automotive electric compressor driving apparatus | Makoto Yoshida | 2000-11-14 |
| 6142741 | Hermetic electric compressor with improved temperature responsive motor control | Hideo Nishihata, Norio Yoshida | 2000-11-07 |
| 6064163 | Apparatus and method for controlling a DC brush-less motor based on the duty ratio or pulse width of a detected pulse | Makoto Yoshida | 2000-05-16 |
| 5991509 | Temperature adjusting system adapted for use in an electric vehicle and the like | Yasufumi Kurahashi | 1999-11-23 |
| 5962996 | Inverter apparatus | Makoto Yoshida, Norio Yoshida, Susumu Yamano | 1999-10-05 |
| 5963442 | Inverter system for driving motor | Makoto Yoshida | 1999-10-05 |