Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7736138 | Compressor with continuously inclined surface | Takahiro Nishikawa, Hirotsugu Ogasawara, Yoshiaki Hiruma, Manabu Takenaka, Masazumi Sakaniwa +2 more | 2010-06-15 |
| 7581937 | Rotary type compressor having an intermediate pressure on a surface side of its compression member | Takahiro Nishikawa, Hirotsugu Ogasawara, Yoshiaki Hiruma, Manabu Takenaka, Masazumi Sakaniwa +2 more | 2009-09-01 |
| 7481635 | Shaft seal for rotary type compressor | Takahiro Nishikawa, Hirotsugu Ogasawara, Yoshiaki Hiruma, Manabu Takenaka, Masazumi Sakaniwa +2 more | 2009-01-27 |
| 7458461 | Packaging apparatus and method for compressor | Masayuki Hara, Masazumi Sakaniwa | 2008-12-02 |