Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929159 | Variable-displacement rotary compressor | Isao Hayase, Kunisuke Tejima, Seiichi Hayashi, Kazuhiko Satoh | 1990-05-29 |
| 4925378 | Rotary vane compressor with valve controlled pressure biased sealing means | Akira Tezuka | 1990-05-15 |
| 4210789 | Impact detecting switch | Akira Hasegawa | 1980-07-01 |