Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161390 | Air flow control system | — | 2021-11-02 |
| 10946720 | Airflow control system | Nobukazu Kuribayashi, Shirou Bandou | 2021-03-16 |
| 10946722 | Heater device | — | 2021-03-16 |
| 10913332 | Heat exchange unit | Go Sato, Takashi Yasuda, Koichi Harada, Ken Muto, Masaaki Kawakubo +1 more | 2021-02-09 |