Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781794 | Refrigerant recovery management system | Mai Mimura, Kazuma Koyama, Miki Yamanaka | 2023-10-10 |
| 11248827 | Refrigerant recovery management system | Mai Mimura, Kazuma Koyama, Miki Yamanaka | 2022-02-15 |
| 8694189 | Vibration-inhibition control apparatus for electrically driven vehicle, and vibration-inhibition control method for electrically driven vehicle | Jun Motosugi, Hiroyuki Ashizawa | 2014-04-08 |
| 8290656 | Controller and controlling method of electric vehicle | Takaaki Karikomi, Hiroyuki Ashizawa | 2012-10-16 |
| 8132635 | Motor lock prevention control for hybrid electric vehicle | Kazutaka Adachi, Hiroyuki Ashizawa | 2012-03-13 |
| 6065298 | Air conditioner automatically controlling operation based on supply voltage or supply frequency | — | 2000-05-23 |
| 4737088 | Rotary compressor with oil relief passage | Fumikazu Taniguchi, Shigeki Hagiwara | 1988-04-12 |
| 4716347 | Oscillation reducing apparatus for rotary compressor | — | 1987-12-29 |
| 4455129 | Multi-vane type compressor | Katsumi Sakitani, Takashi Maekawa, Tetsuro Tajima, Makoto Hiroyasu | 1984-06-19 |