Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8590606 | Heat exchange element and manufacturing method thereof, heat exchanger, and heat exchange ventilator | Hidemoto Arai, Masaru Takada, Takanori Imai | 2013-11-26 |
| 7320361 | Heat exchanger | Hidemoto Arai, Hisao Yokoya, Kenzou Takahashi, Masaru Takada, Masataka Yoshino | 2008-01-22 |
| 7299862 | Total heat exchanging element | Masaru Takada, Hidemoto Arai, Hisao Yokoya, Kenzo Takahashi, Junji Harada +1 more | 2007-11-27 |
| 7188665 | Heat exchanger and heat exchanger ventilator | Hidemoto Arai, Kenzou Takahashi | 2007-03-13 |
| 6076598 | Opposed flow heat exchanger | Akira Doi, Kunihiko Kaga, Hiroyuki Akita, Hidemoto Arai | 2000-06-20 |
| 5380483 | Vibration-damping alloy | Satoshi Watanabe, Kenzo Miura, Toshinobu Okaku, Hitoshi Okamoto | 1995-01-10 |