Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666657 | Reciprocating parallel flow compressor with discharge muffler | Takahiro Nishikawa, Hiroshi Nishikawa, Takashi Harako, Kazuya Sato, Yasuo Sakamoto | 2003-12-23 |
| 6666659 | Flywheel attachment for a compressor motor | Takahiro Nishikawa, Hiroshi Nishikawa, Takashi Harako, Kazuya Sato, Yasuo Sakamoto | 2003-12-23 |
| 6589024 | Reciprocating compressor | Takahiro Nishikawa, Hiroshi Nishikawa, Takashi Harako, Kazuya Sato, Yasuo Sakamoto | 2003-07-08 |
| 6546738 | Stirling refrigerator | Hiroshi Sekiya, Takahiro Nakamura, Itsuo Nakazaki, Takashi Inoue, Ryousuke Tuihiji +7 more | 2003-04-15 |
| 6547534 | Compression apparatus | Yasuo Sakamoto, Hiroshi Nishikawa, Makoto Aida, Takahiro Nishikawa, Kazuya Sato +1 more | 2003-04-15 |