Issued Patents All Time
Showing 1–25 of 101 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028614 | Wobble plate compressor | — | 2011-10-04 |
| 7874813 | Variable displacement compressor | — | 2011-01-25 |
| 7699589 | Scroll type fluid machine having a circulation path and inlet path for guiding refrigerant from a discharge chamber to a drive casing and to a rear-side of movable scroll | Masataka Tsunoda, Kazuyuki Shimamura | 2010-04-20 |
| 7021902 | Hybrid compressor | — | 2006-04-04 |
| 6684655 | Capacity control apparatus for compressors | — | 2004-02-03 |
| 6589019 | Variable displacement compressor | — | 2003-07-08 |
| 6257120 | Swash plate type compressor in which a piston joint uses a rotational elliptical surface and a spherical surface opposite thereto | Kiyoshi Miyazawa, Yoshitaka Ootsuki | 2001-07-10 |
| 6257848 | Compressor having a control valve in a suction passage thereof | — | 2001-07-10 |
| 6216584 | Piston having an improved barrel portion, and a compressor using the same | — | 2001-04-17 |
| 6164940 | Scroll type compressor in which a soft starting mechanism is improved with a simple structure | Akiyoshi Higashiyama, Akihiro Kawano | 2000-12-26 |
| 6098520 | Swash plate compressor in which a swash plate has a sliding surface non-parallel to a reference surface thereof | — | 2000-08-08 |
| 5993177 | Scroll type compressor with improved variable displacement mechanism | Shigemi Shimizu, Akiyoshi Higashiyama, Akihiro Kawano | 1999-11-30 |
| 5934172 | Swash plate type compressor having an improved piston rotation regulating-structure | — | 1999-08-10 |
| 5911566 | Rotation preventing mechanism having stabilized operation and a scroll-type fluid displacement apparatus comprising the rotation preventing mechanism | Norio Kitano, Jiro Iizuka | 1999-06-15 |
| 5678986 | Fluid displacement apparatus with lubricating mechanism | Isao Hoashi, Akiyoshi Higashiyama | 1997-10-21 |
| 5615599 | Guiding mechanism for reciprocating piston of piston-type compressor | — | 1997-04-01 |
| 5490767 | Variable displacement piston type compressor | Hiroshi Kanou, Isamu Fukai, Toshiyuki Ogura | 1996-02-13 |
| 5380166 | Piston type refrigerant compressor | — | 1995-01-10 |
| 5380176 | Valved discharge mechanism in a refrigerant compressor | Yasuo Kikuchi, Atsushi Mabe | 1995-01-10 |
| 5370503 | Swash plate type compressor with variable displacement mechanism | — | 1994-12-06 |
| 5275542 | Free piston-type compressor | — | 1994-01-04 |
| 5259736 | Swash plate type compressor with swash plate hinge coupling mechanism | — | 1993-11-09 |
| 5255569 | Slant plate type compressor with variable displacement mechanism | Shigemi Shimizu | 1993-10-26 |
| 5242275 | Slant plate type refrigerant compressor with variable displacement mechanism | Hitoshi Azami, Shizuyoshi Watanabe | 1993-09-07 |
| 5239913 | Slant plate type compressor | — | 1993-08-31 |