Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7585163 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same | Takahiro Nishikawa, Hirotsugu Ogasawara, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida +1 more | 2009-09-08 |
| 7585162 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same | Takahiro Nishikawa, Hirotsugu Ogasawara, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida +1 more | 2009-09-08 |
| 7572116 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same | Takahiro Nishikawa, Hirotsugu Ogasawara, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida +1 more | 2009-08-11 |
| 7563085 | Multicylinder rotary compressor and compressing system and refrigerating unit provided with same | Masazumi Sakaniwa, Akira Hashimoto, Masayuki Hara, Takahiro Nishikawa, Hirotsugu Ogasawara | 2009-07-21 |
| 7540724 | Compression member and vane of a compressor | Hirotsugu Ogasawara, Takahiro Nishikawa, Masayuki Hara | 2009-06-02 |
| 7524174 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same | Takahiro Nishikawa, Hirotsugu Ogasawara, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida +1 more | 2009-04-28 |
| 7488165 | Compressor having back pressure vane controlled for improving oil distribution | Hirotsugu Ogasawara, Takahiro Nishikawa, Masayuki Hara | 2009-02-10 |
| 7381040 | Compressor having pressure controlled for improving oil distribution | Hirotsugu Ogasawara, Takahiro Nishikawa, Masayuki Hara | 2008-06-03 |
| 7114930 | Compressor | Hirotsugu Ogasawara, Takahiro Nishikawa, Masayuki Hara, Makoto Oonuki | 2006-10-03 |