Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7895749 | Method of manufacturing heat exchanger | Yoshihisa Eto, Naoto Takayanagi, Shoji Akiyama | 2011-03-01 |
| 7303004 | Heat exchanger | Akio Iwasa, Yoshihisa Eto | 2007-12-04 |
| 7156165 | Tank for heat exchanger | Hajime Ohata, Yoshihisa Eto, Naoto Takayanagi | 2007-01-02 |
| 6799630 | Tube for heat exchangers and method of manufacturing the same | Soichi Kato, Shin Kurihara, Sadao Haiya, Takashi Sugita, Shoji Akiyama +1 more | 2004-10-05 |
| 6666265 | Heat exchanger, method of manufacturing the heat exchanger, and method of manufacturing tube for heat exchange | Soichi Kato, Shin Kurihara, Shoji Akiyama, Jun Akaike, Kazuo Ochiai | 2003-12-23 |
| 6467170 | Tube for heat exchangers and method of manufacturing same | Soichi Kato, Shin Kurihara, Sadao Haiya, Takashi Sugita, Shoji Akiyama +1 more | 2002-10-22 |
| 6357520 | Heat exchanger | Soichi Kato, Shin Kurihara, Sadao Haiya, Takashi Sugita, Shoji Akiyama +1 more | 2002-03-19 |
| 6032729 | Laminated heat exchanger | Kunihiko Nishishita, Seiji Inoue | 2000-03-07 |
| 5979051 | Heat exchanger and method of producing the same | Soichi Kato, Shin Kurihara, Sadao Haiya, Takashi Sugita, Shoji Akiyama +1 more | 1999-11-09 |
| 5931225 | Laminated heat exchanger | Kunihiko Nishishita, Seiji Inoue | 1999-08-03 |
| 5881804 | Laminated heat exchanger | Kunihiko Nishishita, Seiji Inoue | 1999-03-16 |
| 4898325 | Automobile air conditioner with separate flow adjustment for central and side vents | — | 1990-02-06 |
| 4892135 | Air conditioner for automobiles with hot/refrigeration compartment for stored articles | Isamu Kurosawa, Shinji Wakabayashi | 1990-01-09 |
| 4842047 | Air conditioner for automobiles | Yuusuke Takahashi | 1989-06-27 |
| 4834170 | Air conditioner for automobiles | Isamu Kurosawa, Shinji Wakabayashi | 1989-05-30 |