Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9891008 | Heat exchanger | Kentaro Fukuda | 2018-02-13 |
| 9163880 | Heat exchanger | Tsunehito Wake, Shiro Ikuta | 2015-10-20 |
| 8291724 | Fin structure for fin tube heat exchanger | Nobuhide Kasagi, Yuji Suzuki, Yoshinori Suzue, Kenichi Morimoto | 2012-10-23 |
| 8266900 | Heat recovery system | Koji Matsuoka, Isamu Kandori, Shiro Ikuta, Tsunehito Wake | 2012-09-18 |
| 6948552 | Ceiling embedded type indoor unit | Shinichi Kosugi, Takashi Sano, Yoshiki Hata | 2005-09-27 |
| 6050328 | Heat exchanger and air conditioner using same | Toshio Hatada, Masaaki Itoh, Hideyuki Kimura, Sumiyoshi Takeda, Kensaku Oguni +4 more | 2000-04-18 |
| 5803165 | Heat exchanger | Masaaki Itoh, Mari Uchida, Toshihiko Fukushima | 1998-09-08 |