Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8469679 | Sealed type rotary compressor | Takahiro Nishikawa, Yoshihisa Kogure, Kazuhiko Arai, Hiroyuki Yoshida | 2013-06-25 |
| 8277202 | Multicylindrical rotary compressor | Takahiro Nishikawa, Masayuki Hara, Hiroyuki Sawabe | 2012-10-02 |
| 7985054 | Multicylindrical rotary compressor, compression system, and freezing device using the compression system | Takahiro Nishikawa, Masayuki Hara, Hiroyuki Yoshida, Akira Hashimoto | 2011-07-26 |
| 7762798 | Compressor having different hardness surface between upper surface and receiving surface of top dead center of compression member and vane | Takahiro Nishikawa, Takayuki Saito | 2010-07-27 |
| 7736138 | Compressor with continuously inclined surface | Takahiro Nishikawa, Takao Kanayama, Yoshiaki Hiruma, Manabu Takenaka, Masazumi Sakaniwa +2 more | 2010-06-15 |
| 7632082 | Hermetically sealed compressor and method of manufacturing the same | Takahiro Nishikawa, Yoshihisa Kogure, Masayuki Hara, Hiroyuki Sawabe, Yoshiaki Hiruma | 2009-12-15 |
| 7585163 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same | Takahiro Nishikawa, Akihiro Suda, 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, Akihiro Suda, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida +1 more | 2009-09-08 |
| 7581937 | Rotary type compressor having an intermediate pressure on a surface side of its compression member | Takahiro Nishikawa, Takao Kanayama, Yoshiaki Hiruma, Manabu Takenaka, Masazumi Sakaniwa +2 more | 2009-09-01 |
| 7581936 | Hermetically sealed compressor having oil supply mechanism based on refrigerant pressure | Takahiro Nishikawa, Masayuki Hara, Hiroyuki Yoshida, Yoshihisa Kogure, Akira Hashimoto | 2009-09-01 |
| 7572116 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same | Takahiro Nishikawa, Akihiro Suda, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida +1 more | 2009-08-11 |
| 7566204 | Multicylindrical rotary compressor, compression system, and freezing device using the compression system | Takahiro Nishikawa, Masayuki Hara, Hiroyuki Yoshida, Akira Hashimoto | 2009-07-28 |
| 7563085 | Multicylinder rotary compressor and compressing system and refrigerating unit provided with same | Masazumi Sakaniwa, Akira Hashimoto, Masayuki Hara, Takahiro Nishikawa, Akihiro Suda | 2009-07-21 |
| 7540724 | Compression member and vane of a compressor | Takahiro Nishikawa, Akihiro Suda, Masayuki Hara | 2009-06-02 |
| 7524174 | Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same | Takahiro Nishikawa, Akihiro Suda, Masayuki Hara, Hiroyuki Sawabe, Hiroyuki Yoshida +1 more | 2009-04-28 |
| 7488165 | Compressor having back pressure vane controlled for improving oil distribution | Takahiro Nishikawa, Akihiro Suda, Masayuki Hara | 2009-02-10 |
| 7481635 | Shaft seal for rotary type compressor | Takahiro Nishikawa, Takao Kanayama, Yoshiaki Hiruma, Manabu Takenaka, Masazumi Sakaniwa +2 more | 2009-01-27 |
| 7473081 | Hermetically sealed compressor and method of manufacturing the same | Takahiro Nishikawa, Yoshihisa Kogure, Masayuki Hara | 2009-01-06 |
| 7381040 | Compressor having pressure controlled for improving oil distribution | Takahiro Nishikawa, Akihiro Suda, Masayuki Hara | 2008-06-03 |
| 7114930 | Compressor | Takahiro Nishikawa, Akihiro Suda, Masayuki Hara, Makoto Oonuki | 2006-10-03 |