TA

Tetsuya Arata

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
Overall (All Time): #280,912 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5125810 Scroll compressor with a stationary and orbiting member of different material Kazutaka Suefuji, Yoshiro Ibaraki, Masao Shiibayashi, Jyoji Okamoto 1992-06-30
5040958 Scroll compressor having changeable axis in eccentric drive Masao Shiibayashi, Kazutaka Suefuji 1991-08-20
5037279 Scroll fluid machine having wrap start portion with thick base and thin tip Kazutaka Suefuji, Masao Shiibayashi, Yoshiro Ibaraki, Jyoji Okamoto 1991-08-06
4904170 Scroll-type fluid machine with different terminal end wrap angles Kazutaka Suefuji, Takao Senshu, Masatoshi Muramatsu, Jyoji Okamoto, Akira Murayama 1990-02-27
4818195 Scroll compressor with valved port for each compression chamber Akira Murayama, Naoshi Uchikawa, Ryoichi Kuroshima, Hiroaki Kuno, Masao Shiibayashi 1989-04-04
4810176 Anti-rotation mechanism for use with orbiting scroll member of scroll compressor Kazutaka Suefuji, Takao Senshu, Jyoji Okamoto, Akira Murayama 1989-03-07
4802831 Fluid machine with resin-coated scroll members Kazutaka Suefuji, Aizo Kaneda, Yasuyuki Kanai, Shozo Nakamura, Katsuaki Kikuchi +4 more 1989-02-07
4774816 Air conditioner or refrigerating plant incorporating scroll compressor Naoshi Uchikawa, Akira Murayama 1988-10-04
4749344 Oil feeding device for scroll fluid apparatus Yoshikatsu Tomita, Katsuaki Kikuchi, Eiichi Hazaki, Masao Shiibayashi, Kazutaka Suefuji +2 more 1988-06-07
4669962 Scroll compressor with pressure differential maintained for supplying oil Takao Mizuno, Naoshi Uchikawa, Akira Murayama, Takahiro Tamura, Hiroaki Kuno 1987-06-02
4649611 Method of and apparatus for positioning compressor scroll member Mitsuo Ikeda, Kazumi Aiba 1987-03-17
4603556 Control method and apparatus for an air conditioner using a heat pump Kazutaka Suefuji, Hiromu Yasuda, Masakatsu Hayashi, Kensaku Oguni, Shigeaki Kuroda +5 more 1986-08-05
4596520 Hermetic scroll compressor with pressure differential control means for a back-pressure chamber Takao Mizuno 1986-06-24
4557675 Scroll-type fluid machine with back pressure chamber biasing an orbiting scroll member Akira Murayama, Hiroaki Kuno, Naoshi Uchikawa, Takahiro Tamura, Takao Mizuno +4 more 1985-12-10
4411600 Hermetic motor compressor Masato Itagaki, Fumio Harada 1983-10-25
4382370 Refrigerating system using scroll type compressor Kazutaka Suefuji, Yoshikatsu Tomita, Sumihisa Kotani, Naoshi Uchikawa, Akira Murayama 1983-05-10
4371319 Hermetic motor compressor Akira Murayama, Fumio Harada, Masato Itagaki, Susumu Nakayama, Masahisa Sofue 1983-02-01