Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11927355 | Air conditioning and ventilating system | Kousuke Hirai, Akiyoshi Yamamoto, Gakuto Sakai, Tooru Fujimoto | 2024-03-12 |
| 11885517 | Air conditioning and ventilating system that enhance ventilation in response to a refrigerant leakage | Kousuke Hirai, Akiyoshi Yamamoto, Gakuto Sakai, Tooru Fujimoto | 2024-01-30 |
| 11732977 | Total heat exchange element and method for manufacturing same | — | 2023-08-22 |
| 11703245 | Ventilation system | Tooru Fujimoto, Ryou Fujimoto, Kazuhiro Shioyama | 2023-07-18 |
| 11384953 | Air conditioning system | Kousuke Hirai, Tooru Fujimoto, Akiyoshi Yamamoto, Gakuto Sakai | 2022-07-12 |
| 11268728 | Ventilation system | Tooru Fujimoto, Ryou Fujimoto, Kazuhiro Shioyama | 2022-03-08 |
| 9797620 | Ventilation device | Kenichi Maegaito, Takayuki SUNAYAMA, Tooru Fujimoto | 2017-10-24 |
| 9372007 | Air conditioning system | — | 2016-06-21 |
| 8899309 | Ventilation device | Tsuyoshi Yamaguchi, Kenichi Maegaito | 2014-12-02 |
| 7441588 | Heat exchanger unit | Akira Fujimoto | 2008-10-28 |