Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886424 | Multi-piston swash plate type compressor with damping arrangement for discharge reed valves | Hisato Kawamura, Shinichi Ishihara | 1989-12-12 |
| 4880361 | Multi-piston swash plate type compressor with arrangement for internal sealing and for uniform distribution of refrigerant to cylinder bores | Kazuhiro Ohta, Hisato Kawamura | 1989-11-14 |
| 4880857 | Carbon black-graft polymer, method for production thereof, and use thereof | Yoshikuni Mori, Mitsuo Kushino, Nobuaki Urashima, Masuji Izubayashi, Shigeru Tanimori +4 more | 1989-11-14 |
| 4867650 | Reciprocatory piston type compressor with noise free suction valve mechanism | Hideo Mori, Toshinari Mizutani | 1989-09-19 |
| 4863356 | Multi-cylinder refrigerant gas compressor with a muffling arrangement | Tatsuyuki Hoshino, Masahiro Sawada | 1989-09-05 |
| 4836754 | Turbulence generating device adjacent the inlet end of each discharge port of a multi-cylinder piston-type compressor for providing internal pulsation and noise suppression | Satoshi Kitahama, Hiroshi Onomura | 1989-06-06 |
| 4813852 | Discharge arrangement of a compressor having a plurality of compression chambers | Isao Tsuzuki, Kazuhiro Ohta | 1989-03-21 |