Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816271 | Heat exchanger and absorption refrigerator | Takahide Sugiyama, Osamu Hiyama, Syungo Saito, Jun Kuroda | 2020-10-27 |
| 7073341 | Air conditioner | Shinji Tongu, Kazuhei Arita, Yoshihiro Ichino, Masato Ogai, Akira Yamauchi +1 more | 2006-07-11 |
| 6477850 | Air conditioner | Kazuhei Arita, Yoshihiro Ichino, Shinji Tongu | 2002-11-12 |