KS

Kazutaka Suefuji

HI Hitachi: 26 patents #1,179 of 28,497Top 5%
HC Hitachi Industrial Equipment Systems Co.: 7 patents #61 of 550Top 15%
TO Tokico: 6 patents #32 of 359Top 9%
KS Kabushiki Kaisha Hitachi Seisakusho: 1 patents #13 of 55Top 25%
Overall (All Time): #76,640 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
5716202 Scroll compressor with oiling mechanism Masaki Koyama, Akihiko Yamamoto, Muneo Mizumoto, Eiichi Satoh, Shigekazu Nozawa +3 more 1998-02-10
5295808 Synchronous rotating type scroll fluid machine Shigeru Machida, Hiroshi Iwata, Isamu Tsubono, Seiji Ohtake, Kenji Tojo 1994-03-22
5125810 Scroll compressor with a stationary and orbiting member of different material Tetsuya Arata, Yoshiro Ibaraki, Masao Shiibayashi, Jyoji Okamoto 1992-06-30
5040958 Scroll compressor having changeable axis in eccentric drive Tetsuya Arata, Masao Shiibayashi 1991-08-20
5037279 Scroll fluid machine having wrap start portion with thick base and thin tip Masao Shiibayashi, Tetsuya Arata, Yoshiro Ibaraki, Jyoji Okamoto 1991-08-06
4904170 Scroll-type fluid machine with different terminal end wrap angles Takao Senshu, Tetsuya Arata, Masatoshi Muramatsu, Jyoji Okamoto, Akira Murayama 1990-02-27
4861245 Scroll compressor with sealed pressure space biasing the orbiting scroll member Kenji Tojo, Kenichi Kawashima, Yozo Nakamura 1989-08-29
4810176 Anti-rotation mechanism for use with orbiting scroll member of scroll compressor Tetsuya Arata, Takao Senshu, Jyoji Okamoto, Akira Murayama 1989-03-07
4802831 Fluid machine with resin-coated scroll members Aizo Kaneda, Yasuyuki Kanai, Shozo Nakamura, Tetsuya Arata, Katsuaki Kikuchi +4 more 1989-02-07
4749344 Oil feeding device for scroll fluid apparatus Yoshikatsu Tomita, Katsuaki Kikuchi, Eiichi Hazaki, Tetsuya Arata, Masao Shiibayashi +2 more 1988-06-07
4603556 Control method and apparatus for an air conditioner using a heat pump Hiromu Yasuda, Masakatsu Hayashi, Tetsuya Arata, Kensaku Oguni, Shigeaki Kuroda +5 more 1986-08-05
4579512 Scroll-type fluid machine with radial clearance between wraps Masao Shiibayashi, Sumihisa Kotani, Kenji Tojo, Akira Murayama 1986-04-01
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
4475360 Refrigeration system incorporating scroll type compressor Kensaku Oguni, Sumihisa Kotani, Kenji Tojo 1984-10-09
4382370 Refrigerating system using scroll type compressor Tetsuya Arata, Yoshikatsu Tomita, Sumihisa Kotani, Naoshi Uchikawa, Akira Murayama 1983-05-10
4352642 Hermetic motor-compressor Akira Murayama, Fumio Harada 1982-10-05