Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11073325 | Refrigeration cycle apparatus | Kazushi Hisayama, Tetsuya Okamoto, Yoshinobu TSUMURA, Masanori Ukibune | 2021-07-27 |
| 11035579 | Refrigeration cycle apparatus | Kazushi Hisayama, Tetsuya Okamoto, Yoshinobu TSUMURA, Masanori Ukibune | 2021-06-15 |