Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828463 | Rotary compressor with clutch and bypass control actuated by hydraulic fluid | Kazutoshi Nishizawa, Masashi Takagi, Akio Matsuoka | 1989-05-09 |
| 4715800 | Rotary compressor with clutch actuated by hydraulic fluid and compressed fluid | Kazutoshi Nishizawa, Masashi Takagi, Akio Matsuoka | 1987-12-29 |