Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889471 | Mechanism for prevention of burning of bearing portions in a hermetic type scroll compressor | Yasushi Izunaga, Shintaro Sado | 1989-12-26 |
| 4818195 | Scroll compressor with valved port for each compression chamber | Akira Murayama, Naoshi Uchikawa, Ryoichi Kuroshima, Tetsuya Arata, Masao Shiibayashi | 1989-04-04 |