Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810177 | Vane compressor with vane back pressure adjustment | Tsuneori Shibuya, Yutaka Ishizuka, Teruo Nakamura, Hidehiko Takayama | 1989-03-07 |
| 4776778 | Refrigerant compressor with shaft bearing having improved wear resistance | Masahiro Iio, Mitsuya Ono, Teruo Nakamura | 1988-10-11 |
| 4743184 | Rotary compressor with heating passage between discharge chamber and shaft seal | Seiji Sumikawa, Mikio Tanino, Kazuhiro Irie | 1988-05-10 |
| 4717321 | Vane compressor with vane back pressure adjustment | Tsunenori Shibuya, Yutaka Ishizuka, Teruo Nakamura, Hidehiko Takayama | 1988-01-05 |
| 4611977 | Vane compressor with vane back pressure adjustment | Tsunenori Shibuya, Yutaka Ishizuka, Teruo Nakamura, Hidehiko Takayama | 1986-09-16 |
| 4571164 | Vane compressor with vane back pressure adjustment | Tsunenori Shibuya, Yutaka Ishizuka, Teruo Nakamura, Hidehiko Takayama | 1986-02-18 |
| 4408969 | Vane compressor having improved rotor supporting means | — | 1983-10-11 |
| 4395203 | Vane compressor having a discharge rate control | — | 1983-07-26 |
| 4209287 | Rotary vane compressor with start-up pressure biasing vanes | — | 1980-06-24 |