Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812110 | Oil-free screw compressor with bypass of cooled discharged gas | Noboru Tsuboi, Kunihiko Nishitani, Ituro Nomura | 1989-03-14 |
| 4792052 | Apparatus for controlling the number of revolutions of an engine | Junji Okuda, Kazunori Hashi, Kentaro Nakamura | 1988-12-20 |
| 4695233 | Screw rotor mechanism | Kiyotada Miyoshi, Noboru Tsuboi, Kunihiko Nishitani, Shouji Yoshimura | 1987-09-22 |
| 4671750 | Screw rotor mechanism with specific tooth profile | Kiyotada Miyoshi, Noboru Tsuboi, Kunihiko Nishitani, Shouji Yoshimura | 1987-06-09 |