Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11493228 | Ventilation system and heat exchange-type ventilation device | Kenta Shuji, Daisuke Hashino | 2022-11-08 |
| 11402117 | Ventilation and air conditioning system | Naoyuki Funada, Ayumi Konishi | 2022-08-02 |