Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711617 | Rotary compressor | Kazutomo Asami, Fumiaki Sano, Fumio Wada | 1987-12-08 |
| 4645429 | Rotary compressor | Kazutomo Asami, Fumiaki Sano, Fumio Wada, Takuho Hirahara | 1987-02-24 |
| 4628963 | Refrigerant compressor discharge valve | Fumiaki Sano, Fumio Wada, Kazutomo Asami | 1986-12-16 |
| 4624630 | Differential pressure lubrication system for rolling piston compressor | Takuho Hirahara, Fumiaki Sano, Fumio Wada, Kazutomo Asami, Masahiro Sugihara | 1986-11-25 |
| 4611473 | Refrigeration system with integral check valve | Fumio Wada, Fumiaki Sano, Kazutomo Asami | 1986-09-16 |
| 4592705 | Lubrication for rotary compressor vane | Sei Ueda, Takuho Hirahara, Fumiaki Sano, Kazutomo Asami, Fumio Wada | 1986-06-03 |
| 4580604 | Discharging valve device for a compressor | Susumu Kawaguchi, Osamu Iwabuchi, Takuho Hirahara, Kazuhiro Nakane, Fumiaki Sano | 1986-04-08 |
| 4569645 | Rotary compressor with heat exchanger | Kazutomo Asami, Fumio Wada, Yutaka Sato | 1986-02-11 |
| 4560329 | Strainer device for rotary compressor | Takuho Hirahara, Fumiaki Sano, Susumu Kawaguchi, Kazuhiro Nakane | 1985-12-24 |
| 4518330 | Rotary compressor with heat exchanger | Kazutomo Asami, Fumio Wada, Yutaka Sato | 1985-05-21 |
| 4472121 | Horizontal rotary compressor with oil forced by gas discharge into crankshaft bore | Hideharu Tanaka, Toshihide Koda | 1984-09-18 |
| 4391573 | Horizontal rotary compressor with oil forced by gas discharge into crankshaft bore | Hideharu Tanaka, Toshihide Koda | 1983-07-05 |
| 4355963 | Horizontal rotary compressor with oil forced by gas discharge into crankshaft bore | Hideharu Tanaka, Toshihide Koda | 1982-10-26 |