Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352481 | Refrigerant apparatus | Kazushi Hisayama, Masanori Ukibune, Masao Ohno, Kebi CHEN | 2025-07-08 |
| 12289045 | Power conversion device, semiconductor switch drive device, and control method | Fumio Watanabe | 2025-04-29 |
| 12276444 | Refrigeration cycle device | Kazushi Hisayama, Kebi CHEN | 2025-04-15 |