Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6389837 | Scroll compressor | — | 2002-05-21 |
| 5350280 | Fluid compressor | Toshiya Yajima, Takuya Hirayama, Hirotsugu Sakata, Makoto Hayano, Masayuki Okuda +2 more | 1994-09-27 |
| 5171141 | Scroll compressor with distal ends of the wraps having sliding contact on curved portions | Tsugio Itami, Hirotsugu Sakata, Makoto Hayano, Toshiya Yajima, Teruo Kobuna | 1992-12-15 |
| 5152682 | Scroll type fluid machine with passageway for innermost working chamber | Tsugio Itami, Hirotsugu Sakata, Makoto Hayano, Toshiya Yajima, Masayuki Okuda +1 more | 1992-10-06 |
| 5062778 | Helical blade type compressor with thrust loss compensation | Hitoshi Hattori, Hirotsugu Sakata, Makoto Hayano, Masayuki Okuda | 1991-11-05 |
| 5026264 | Fluid compressor | Hirotsugu Sakata, Makoto Hayano, Masayuki Okuda, Takayoshi Fujiwara, Moriaki Shimoda +1 more | 1991-06-25 |
| 4875839 | Scroll member for use in a positive displacement device, and a method for manufacturing the same | Hirotsugu Sakata, Hiroaki Murasaki, Makoto Hayano, Hitoshi Hattori, Kouichi Yoneyama +3 more | 1989-10-24 |