KT

Kenji Tojo

HI Hitachi: 44 patents #397 of 28,497Top 2%
HA Hitachi Appliances: 8 patents #2 of 109Top 2%
TL Teijin Pharma Limited: 3 patents #41 of 294Top 15%
HC Hitachi Automotive Engineering Co.: 2 patents #95 of 314Top 35%
HC Hitachi Air Conditioning Systems Co.: 2 patents #2 of 23Top 9%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
OU Osaka University: 1 patents #681 of 1,984Top 35%
📍 Moriya, JP: #10 of 174 inventorsTop 6%
Overall (All Time): #39,404 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
6179593 Displacement fluid machine Shunichi Mitsuya, Hirokatsu Kohsokabe, Masahiro Takebayashi, Koichi Inaba, Hiroaki Hata 2001-01-30
6164941 Displacement type fluid machine having an orbiting displacer forming a plurality of spaces Hirokatsu Kohsokabe, Masahiro Takebayashi, Hiroaki Hata, Koichi Inaba, Isao Hayase 2000-12-26
6152714 Displacement type fluid machine having rotation suppression of an orbiting displacer Shunichi Mitsuya, Hirokatsu Kohsokabe, Masahiro Takebayashi, Koichi Inaba, Hiroaki Hata 2000-11-28
6055827 Refrigerant compressor and refrigerating apparatus Hideyuki Ueda, Yoshikatsu Tomita, Takao Mizuno 2000-05-02
6006542 Refrigerant compressor and refrigerating apparatus Hideyuki Ueda, Yoshikatsu Tomita, Takao Mizuno 1999-12-28
5775893 Scroll compressor having an orbiting scroll with volute wraps on both sides of a plate Kunihiko Takao, Masahiro Takebayashi, Yoshishige Endo, Yuji Yoshitomi, Shigeru Machida +1 more 1998-07-07
5660539 Scroll compressor Mutsunori Matsunaga, Takao Mizuno, Hideyuki Ueda, Takeshi Hida 1997-08-26
5622488 Scroll type fluid machine having first and second frame members to increase air tightness Hideyuki Ueda, Takao Mizuno, Takeshi Hida 1997-04-22
5511959 Scroll type fluid machine with parts of sintered ceramics Masahisa Sofue 1996-04-30
5425626 Scroll type fluid machine with an involute spiral based on a circle having a varying radius Hideyuki Ueda 1995-06-20
5295808 Synchronous rotating type scroll fluid machine Shigeru Machida, Hiroshi Iwata, Isamu Tsubono, Kazutaka Suefuji, Seiji Ohtake 1994-03-22
5231914 Variable displacement compressor Isao Hayase, Kunihiko Takao, Yasushi Muramoto, Yukio Takahashi, Masaru Ito +2 more 1993-08-03
5137437 Scroll compressor with improved bearing Shigeru Machida, Masahiro Takebayashi, Hiroshi Iwata, Kazuo Sekigami, Nobuo Abe +1 more 1992-08-11
5105728 Balanced variable-displacement compressor Isao Hayase, Yasushi Muramoto, Kunihiko Takao, Masaru Ito, Atsuo Kishi +3 more 1992-04-21
5063829 Variable displacement swash plate type compressor Kunihiko Takao, Isao Hayase, Yukio Takahashi, Masaru Ito 1991-11-12
RE33473 Oil feeding device for scroll fluid apparatus Eiichi Hazaki, Masaya Imai, Masao Shiibayashi 1990-12-04
4950135 Piezoelectric powered scroll compressor Shigeru Machida, Kenji Mori 1990-08-21
4867649 Refrigerating system Kenichi Kawashima, Atsushi Suginuma, Yukio Takahashi, Kunihiko Takao 1989-09-19
4861245 Scroll compressor with sealed pressure space biasing the orbiting scroll member Kenichi Kawashima, Kazutaka Suefuji, Yozo Nakamura 1989-08-29
4801248 Variable capacity swash plate compressor Yuzo Kadomukai, Kunihiko Takao, Yozo Nakamura, Atsushi Suginuma, Isao Hayase +1 more 1989-01-31
4579512 Scroll-type fluid machine with radial clearance between wraps Masao Shiibayashi, Sumihisa Kotani, Kazutaka Suefuji, Akira Murayama 1986-04-01
4555224 Oil feeding device for scroll fluid apparatus Eiichi Hazaki, Masaya Imai, Masao Shiibayashi 1985-11-26
4496296 Device for pressing orbiting scroll member in scroll type fluid machine Nobukatsu Arai, Shigeru Machida, Eiji Sato, Naoshi Uchikawa 1985-01-29
4475360 Refrigeration system incorporating scroll type compressor Kazutaka Suefuji, Kensaku Oguni, Sumihisa Kotani 1984-10-09
4473343 Bearing device for scroll-type compressor Eiichi Hazaki, Naoshi Uchikawa, Akira Murayama 1984-09-25