Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11509251 | Motor driving device and air conditioner | Koichi Arisawa, Kenji Iwazaki, Keisuke Uemura, Atsushi Tsuchiya | 2022-11-22 |
| 11451149 | Power converter | Kenji Iwazaki, Koichi Arisawa, Takuya Shimomugi, Satoru Ichiki, Ikuro Suga | 2022-09-20 |
| 11398790 | Air conditioner | Koichi Arisawa | 2022-07-26 |
| 11368118 | Motor driving device and air conditioner | Keisuke Uemura, Kenji Iwazaki, Koichi Arisawa, Atsushi Tsuchiya | 2022-06-21 |
| 11297419 | Array microphone and sound collection method | Yuji Ikegaya | 2022-04-05 |