Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829777 | Refrigeration system | Akio Matsuoka, Yuuji Honda | 1989-05-16 |
| 4828463 | Rotary compressor with clutch and bypass control actuated by hydraulic fluid | Kazutoshi Nishizawa, Akio Matsuoka, Fuzio Nomura | 1989-05-09 |