Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009577 | Rotary compressor of variable displacement type | Isao Hayase | 1991-04-23 |
| 4929159 | Variable-displacement rotary compressor | Isao Hayase, Kenichi Ushiku, Seiichi Hayashi, Kazuhiko Satoh | 1990-05-29 |