NU

Naoshi Uchikawa

HI Hitachi: 23 patents #1,433 of 28,497Top 6%
Overall (All Time): #187,040 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5127809 Scroll compressor with reinforcing ribs on the orbiting scroll Atushi Amata, Takao Mizuno 1992-07-07
5094598 Capacity controllable compressor apparatus Atushi Amata, Hiroaki Kuno 1992-03-10
5017108 Scroll compressor with first and second oil pumps in series Akira Murayama, Takahiro Tamura, Takao Mizuno, Kazuo Sakurai 1991-05-21
4989414 Capacity-controllable air conditioner Akira Murayama, Hiroaki Kuno, Jyoji Okamoto, Hiroyuki Imamura 1991-02-05
RE33236 Bearing device of sealed type scroll compressor Eiichi Hazaki, Hiroaki Kuno, Takahiro Tamura, Akira Murayama, Takao Mizuno 1990-06-19
4818195 Scroll compressor with valved port for each compression chamber Akira Murayama, Ryoichi Kuroshima, Hiroaki Kuno, Tetsuya Arata, Masao Shiibayashi 1989-04-04
4774816 Air conditioner or refrigerating plant incorporating scroll compressor Akira Murayama, Tetsuya Arata 1988-10-04
4755114 Sealed type scroll compressor with wire mesh oil separating member Masao Shibayashi, Katsuaki Kikuchi, Yasuro Ohishi, Akira Murayama, Hiroaki Kuno +2 more 1988-07-05
4743181 Scroll-type fluid machine with seal to aid lubrication Akira Murayama, Hiroaki Kuno, Takahiro Tamura, Takao Mizuno 1988-05-10
4730997 Hermetic scroll compressor having concave spaces communicating with a delivery port Takahiro Tamura, Akira Murayama, Takao Mizuno 1988-03-15
4714415 Scroll compressor with closed compression spaces having valves to reduce starting torque Takao Mizuno, Akira Murayama, Takahiro Tamura, Ryoichi Kuroshima 1987-12-22
4690625 Scroll-type fluid machine with configured wrap edges and grooves Akira Murayama, Hiroaki Kuno, Takahiro Tamura, Takao Mizuno, Kazumi Aiba +2 more 1987-09-01
4669962 Scroll compressor with pressure differential maintained for supplying oil Takao Mizuno, Tetsuya Arata, Akira Murayama, Takahiro Tamura, Hiroaki Kuno 1987-06-02
4596521 Scroll fluid apparatus Akira Murayama, Hiroaki Kuno, Takahiro Tamura, Takao Mizuno, Masao Shiibayashi 1986-06-24
4560330 Scroll device with suction chamber pressure relief Akira Murayama, Hiroaki Kuno, Takahiro Tamura, Takao Mizuno, Sumihisa Kotani 1985-12-24
4557675 Scroll-type fluid machine with back pressure chamber biasing an orbiting scroll member Akira Murayama, Hiroaki Kuno, Takahiro Tamura, Takao Mizuno, Sumihisa Kotani +4 more 1985-12-10
4551082 Bearing device of sealed type scroll compressor Eiichi Hazaki, Hiroaki Kuno, Takahiro Tamura, Akira Murayama, Takao Mizuno 1985-11-05
4545747 Scroll-type compressor Takahiro Tamura, Hiroaki Kuno, Akira Murayama, Takao Mizuno 1985-10-08
4518324 Sealed type electrically operated compressor Takao Mizuno, Akira Murayama, Takahiro Tamura 1985-05-21
4496296 Device for pressing orbiting scroll member in scroll type fluid machine Nobukatsu Arai, Shigeru Machida, Eiji Sato, Kenji Tojo 1985-01-29
4487560 Scroll fluid compressor with surface finished flat plates engaging the wraps Mineo Takahashi, Hiromu Watanabe 1984-12-11
4473343 Bearing device for scroll-type compressor Eiichi Hazaki, Kenji Tojo, Akira Murayama 1984-09-25
4382370 Refrigerating system using scroll type compressor Kazutaka Suefuji, Tetsuya Arata, Yoshikatsu Tomita, Sumihisa Kotani, Akira Murayama 1983-05-10