Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326868 | Refrigeration system utilizing a gaseous refrigerant bypass | Masao Ozu, Hiroshi Itoh | 1982-04-27 |
| 4262492 | Airconditioner | Tetsuo Kobayashi, Takeshi Matsuo | 1981-04-21 |
| 4226917 | Composite joint system including composite structure of carbon fibers embedded in copper matrix | Masao Tsuruoka, Hideyuki Yagi, Keiichi Kuniya | 1980-10-07 |
| 4196442 | Semiconductor device | Keiichi Kuniya, Hideo Arakawa, Kunihiro Maeda | 1980-04-01 |