Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10608570 | Power converter and refrigeration air conditioner | Yoji Ogura, Kenji Tamura, Wataru Hatsuse | 2020-03-31 |
| 10571178 | Air conditioner and motor controller | Koji Tsukii, Yoji Ogura | 2020-02-25 |