Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174737 | Fluid compressor with spiral blade | Hirotsugu Sakata, Masayuki Okuda, Takuya Hirayama, Satoru Oikawa | 1992-12-29 |
| 5171141 | Scroll compressor with distal ends of the wraps having sliding contact on curved portions | Naoya Morozumi, Hirotsugu Sakata, Makoto Hayano, Toshiya Yajima, Teruo Kobuna | 1992-12-15 |
| 5152682 | Scroll type fluid machine with passageway for innermost working chamber | Naoya Morozumi, Hirotsugu Sakata, Makoto Hayano, Toshiya Yajima, Masayuki Okuda +1 more | 1992-10-06 |
| 4826408 | Two-cylinder rotary compressor and method for manufacturing the same | Toshinobu Inoue | 1989-05-02 |
| 4730996 | Rotary compressor with two discharge valves having different frequencies | Masahiro Akatsuchi | 1988-03-15 |