Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801497 | Electric compressor controller and refrigeration cycle device | Shinji Nakamoto, Koji Sakai, Akihiro Imura | 2020-10-13 |
| 10465953 | Air conditioning apparatus | Teruaki Ohyama, Yuji Kamiya, Tomoyuki Sumi, Koji Sakai | 2019-11-05 |
| 10250174 | Motor driving device | Koji Sakai | 2019-04-02 |
| 9318973 | Driving device | — | 2016-04-19 |
| 8278859 | Electric motor drive device, control method of electric motor drive device, and electrically driven device | Koji Sakai | 2012-10-02 |