Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11079143 | Heat pump | Masaki Matsukuma | 2021-08-03 |
| 7819405 | Mechanical seal | Yasushi Amano, Hajime Tsubono, Kouji Akiyama, Hidekazu Takahashi | 2010-10-26 |
| 7682084 | Bearing and screw compressor | Shoji Yoshimura, Yasushi Amano | 2010-03-23 |
| 7144235 | Bearing and screw compressor | Shoji Yoshimura, Yasushi Amano | 2006-12-05 |
| 7140779 | Bearing and screw compressor | Shoji Yoshimura, Yasushi Amano | 2006-11-28 |
| 6722858 | Oil-cooled type compressor | Shoji Yoshimura | 2004-04-20 |
| 6059551 | Oil injected screw compressor with thrust force reducing means | Yasushi Amano, Norio Kawaguchi | 2000-05-09 |