Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992397 | Ammonia/CO2 refrigeration system, CO2 brine production system for use therein, and ammonia cooling unit incorporating that production system | Takashi Nemoto, Akira Taniyama, Iwao Terashima | 2011-08-09 |
| 7544122 | Air shutter and installation method thereof | Sachio Ohwada, Kouichi Tsubata, Seiichi Sakuma, Akira Yasutome | 2009-06-09 |
| 7406837 | Ammonia/Co2 refrigeration system | Takashi Nemoto, Akira Taniyama, Iwao Terashima | 2008-08-05 |
| 7037189 | Air shutter and installation method thereof | Sachio Ohwada, Kouichi Tsubata, Seiichi Sakuma, Akira Yasutome | 2006-05-02 |