Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9944880 | Oil-free screw compressor coated with a base resin, a solid lubricant and a heat-resistant additive | Yukiko Ikeda, Masakatsu Okaya, Natsuki Kawabata, Masahiro Kawamura, Iwao Aoki | 2018-04-17 |
| 9145892 | Water injected scroll air compressor | Natsuki Kawabata, Hirotaka Kameya, Masakazu Aoki | 2015-09-29 |
| 8801412 | Screw compressor | Yukiko Ikeda, Masakatsu Okaya, Natsuki Kawabata, Masahiro Kawamura, Iwao Aoki | 2014-08-12 |
| 8721308 | Water injected scroll air compressor | Natsuki Kawabata, Hirotaka Kameya | 2014-05-13 |
| 8672647 | Water injected scroll air compressor | Natsuki Kawabata, Hirotaka Kameya, Masakazu Aoki | 2014-03-18 |
| 8585376 | Water-injection type scroll air compressor | Hirotaka Kameya, Natsuki Kawabata, Hirokatsu Kohsokabe | 2013-11-19 |
| 8202057 | Oil-free scroll compressor | Hirokatsu Kohsokabe, Hirotaka Kameya, Toshiaki Yabe | 2012-06-19 |
| 7845463 | Low-noise machine package | Toshiaki Yabe, Kazuyoshi Iida, Koji Ikeda | 2010-12-07 |
| 6450791 | Scroll compressor | Natsuki Kawabata, Masakazu Aoki, Shigeru Machida, Toshiaki Yabe | 2002-09-17 |
| 6283738 | Package-type scroll compressor | Akira Suzuki, Isamu Kawano, Natsuki Kawabata | 2001-09-04 |
| 6210132 | Partition means for directing air flow over a cooler in an oilless scroll compressor | Isamu Kawano, Natsuki Kawabata, Akira Suzuki | 2001-04-03 |
| 6193486 | Package-type scroll compressor | Akira Suzuki, Isamu Kawano, Natsuki Kawabata | 2001-02-27 |
| 6142755 | Scroll compressor and method of manufacturing same | Isamu Kawano, Natsuki Kawabata, Akira Suzuki, Tatsuo Natori, Muneo Mizumoto +1 more | 2000-11-07 |
| 6123529 | Scroll compressor | Isamu Kawano, Natsuki Kawabata, Akira Suzuki, Shigeru Machida | 2000-09-26 |
| 5755564 | Scroll fluid machine having resilient member on the drive means | Shigeru Machida, Akira Suzuki, Isamu Kawano | 1998-05-26 |
| 5690480 | Scroll compressor with cooling holes in orbiting scroll | Akira Suzuki, Isamu Kawano, Shigeru Machida | 1997-11-25 |
| 5223052 | Method of treating surfaces of rotors of the screw type rotary machine | Akihiko Yamamoto, Toshihiro Yamada, Tatsuo Natori, Kotaro Naya, Motohiro Satoo +3 more | 1993-06-29 |
| 4984974 | Screw type vacuum pump with introduced inert gas | Koutarou Naya, Tadashi Hayakawa, Kiyoshi Masujima, Riichi Uchida, Katsumi Matsubara | 1991-01-15 |
| 4797068 | Vacuum evacuation system | Tadashi Hayakawa, Sinji Mitsuhashi, Kotaro Naya | 1989-01-10 |
| 4770609 | Two-stage vacuum pump apparatus and method of operating the same | Riichi Uchida, Seiji Tsuru, Kotaro Naya | 1988-09-13 |
| 4767284 | Screw vacuum pump unit | Koutarou Naya, Shinji Mitsuhashi, Tadashi Hayakawa, Riichi Uchida | 1988-08-30 |