YT

Yoshikatsu Tomita

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
NI Nipro: 2 patents #126 of 473Top 30%
AC Ajinomoto Co.: 1 patents #1,164 of 2,190Top 55%
HC Hitachi Air Conditioning Systems Co.: 1 patents #4 of 23Top 20%
Overall (All Time): #518,971 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
7908935 Feces collection container Mitsuru Hasegawa, Seiji Okamoto 2011-03-22
7597691 Liquid storage bag Yumi Kawaguchi, Toru Ikeda, Yoshihiro Kobayashi, Shozo Taguchi 2009-10-06
7437882 Apparatus for driving a compressor and a refrigerating air conditioner Mutsunori Matsunaga, Kenji Tojo, Susumu Nakayama, Syunsuke Yasunori 2008-10-21
6925824 Apparatus for driving a compressor and a refrigerating air conditioner Mutsunori Matsunaga, Kenji Tojo, Susumu Nakayama, Syunsuke Yasunori 2005-08-09
6286334 Refrigerant compressor and refrigerating apparatus Kenji Tojo, Hideyuki Ueda, Takao Mizuno 2001-09-11
6055827 Refrigerant compressor and refrigerating apparatus Kenji Tojo, Hideyuki Ueda, Takao Mizuno 2000-05-02
6006542 Refrigerant compressor and refrigerating apparatus Kenji Tojo, Hideyuki Ueda, Takao Mizuno 1999-12-28
4749344 Oil feeding device for scroll fluid apparatus Katsuaki Kikuchi, Eiichi Hazaki, Tetsuya Arata, Masao Shiibayashi, Kazutaka Suefuji +2 more 1988-06-07
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
4382370 Refrigerating system using scroll type compressor Kazutaka Suefuji, Tetsuya Arata, Sumihisa Kotani, Naoshi Uchikawa, Akira Murayama 1983-05-10