Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739990 | Chiller with an outdoor unit transferring heat to an indoor unit using carbon dioxide | Hiromune Matsuoka, Kyou Tomikawa, Yoshihiko Hagiwara | 2023-08-29 |
| 11293670 | Chiller with an outdoor unit transferring heat to an indoor unit using carbon dioxide | Hiromune Matsuoka, Kyou Tomikawa, Yoshihiko Hagiwara | 2022-04-05 |
| 7647785 | Air conditioning system | Osamu Tanaka, Masakazu Hirai | 2010-01-19 |