Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12092356 | Air-conditioning apparatus | Keiichiro SHIZU, Kazunori Hatakeyama, Atsushi Kawashima | 2024-09-17 |
| 11018615 | Motor drive device and air conditioner | Kazunori Hatakeyama | 2021-05-25 |