Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4815943 | Variable displacement wobble plate compressor with capacity control valve | Kenichi Kawashima, Akira Tezuka, Kosaku Sayo, Toshikazu Ito, Toshio Sudo +9 more | 1989-03-28 |
| 4653288 | Apparatus for measuring refrigerant flow rate in refrigeration cycle | Kosaku Sayo, Seijiro Tani, Seigo Miyamoto, Toshihiko Fukushima | 1987-03-31 |
| 4617804 | Refrigerant flow control device | Toshihiko Fukushima, Seigo Miyamoto, Kosaku Sayo | 1986-10-21 |