Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8834139 | Lubrication of a scroll compressor | Sadayuki Yamada, Nobuaki Ogawa, Yoshifumi Abe, Takashi Morimoto | 2014-09-16 |
| 7942648 | Air pump | Noboru Iida, Tatsuya Nakamoto, Ryuichi Ohno, Kiyoshi Sawai, Hiroyuki Fukuhara +1 more | 2011-05-17 |
| 7632084 | Oilless rotary vane pump having open ends of vane grooves being inclined rearward in the rotation direction | Kiyoshi Sawai, Tatsuya Nakamoto, Noboru Iida, Ryuichi Ohno | 2009-12-15 |
| 7296982 | Air supply device | Kiyoshi Sawai, Tatsuya Nakamoto | 2007-11-20 |
| 6935852 | Scroll compressor having a back pressure chamber comprising high and middle pressure chambers | Noboru Iida, Akira Hiwata, Kiyoshi Sawai | 2005-08-30 |
| 6887051 | Scroll air supply apparatus having a motor shaft and a mechanism shaft | Kiyoshi Sawai, Noboru Iida | 2005-05-03 |