HK

Haruo Koharagi

HI Hitachi: 29 patents #976 of 28,497Top 4%
HA Hitachi Appliances: 6 patents #8 of 109Top 8%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
HC Hitachi Setsubi Engineering Co.: 1 patents #6 of 24Top 25%
JC Japan Servo Co.: 1 patents #92 of 161Top 60%
Overall (All Time): #99,151 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 25 most recent of 35 patents

Patent #TitleCo-InventorsDate
8358040 Permanent magnet type electric rotating machine Matahiro Komuro, Yuichi Satsu, Yuji Enomoto 2013-01-22
8241021 Displacement type compressor having a self-start synchronous motor and start load reducing means Takeshi Tsuchiya, Yuuichi Yanagase, Kazuyuki Fujimura, Mutsunori Matsunaga, Shigekazu Nozawa +3 more 2012-08-14
7772736 Permanent magnet synchronous motor, rotor of the same, and compressor using the same Akeshi Takahashi, Satoshi Kikuchi, Tomio Yoshikawa, Baiying Huang 2010-08-10
7626301 Electric rotating machine having permanent magnets and method of manufacturing teeth portions of the stator iron core Yuji Enomoto, Motoya Ito, Katsuyuki Yamasaki, Ryoso Masaki, Shoji Ohiwa +2 more 2009-12-01
7531934 Self-start synchronous motor with permanent magnets and at least one frictional agitation joint, method for manufacturing the same and compressor comprising the same Baiying Hang, Tomio Yoshikawa, Yasuro Ohishi, Akeshi Takahashi 2009-05-12
7501734 Motor, compressor, and air conditioner Akeshi Takahashi, Tomio Yoshikawa, Baiying Huang, Shigekazu Nozawa, Susumu Nakayaka +1 more 2009-03-10
7453181 Permanent magnet synchronous motor and compressor using the same Satoshi Kikuchi, Akeshi Takahashi, Tomio Yoshikawa, Baiying Huang 2008-11-18
7442017 Displacement type compressor having a self-start synchronous motor and start load reducing means Takeshi Tsuchiya, Yuuichi Yanagase, Kazuyuki Fujimura, Mutsunori Matsunaga, Shigekazu Nozawa +3 more 2008-10-28
6917133 Air conditioner having permanent magnet rotating electric machine Masaharu Senoh, Keiji Noma, Kohei Ishii, Kazuo Sato, Satoshi Kikuchi +2 more 2005-07-12
6838798 Permanent magnet type rotating electric machine Ryoichi Takahata, Shinichi Wakui, Satoshi Kikuchi, Miyoshi Takahashi, Masaharu Senoh +4 more 2005-01-04
6759776 Permanent magnet type electric rotating machine Ryoichi Takahata, Shinichi Wakui, Satoshi Kikuchi, Miyoshi Takahashi 2004-07-06
6759777 Permanent magnet type electric rotating machine Ryoichi Takahata, Shinichi Wakui, Satoshi Kikuchi, Miyoshi Takahashi 2004-07-06
6657350 Permanent magnet type rotating electrical machine, and power generation system and drive system using it Mamoru Kimura, Hiroyuki Mikami, Miyoshi Takahashi 2003-12-02
6552461 Permanent magnet type rotating electric machine Ryoichi Takahata, Shinichi Wakui, Satoshi Kikuchi, Miyoshi Takahashi, Masaharu Senoh +4 more 2003-04-22
6525442 Permanent magnet rotating electric machine Masaharu Senoh, Keiji Noma, Kohei Ishii, Kazuo Sato, Satoshi Kikuchi +2 more 2003-02-25
6462451 Permanent magnet rotating electric machine Mamoru Kimura, Hiroyuki Mikami, Miyoshi Takahashi 2002-10-08
6441523 Very high permanent magnet type electric rotating machine system Tsunehiro Endou, Tsukasa Taniguchi, Kouki Yamamoto, Satoshi Kikuchi, Miyoshi Takahashi +2 more 2002-08-27
6441525 Permanent magnet rotating electric machine Masaharu Senoh, Keiji Noma, Kohei Ishii, Kazuo Sato, Satoshi Kikuchi +3 more 2002-08-27
6376958 Permanent magnet type synchronous motor and air compressor Tsukasa Taniguchi, Kouki Yamamoto, Satoshi Kikuchi, Miyoshi Takahashi, Haruo Miura +2 more 2002-04-23
6369478 Permanent-magnet-type electric rotating machine and air compressor and generator using the same Tsukasa Taniguchi, Miyoshi Takahashi, Shinichi Wakui, Yasuo Fukushima, Haruo Miura +1 more 2002-04-09
5469009 Turbine generator Shinichi Wakui, Kazumasa Ide, Miyoshi Takahashi, Kado Miyakawa, Yasuomi Yagi 1995-11-21
5381584 Vacuum cleaner Fumio Jyoraku, Hisao Suka, Yoshitaro Ishii, Hisanori Toyoshima, Mitsuhisa Kawamata +6 more 1995-01-17
5294872 Method and apparatus for operating vacuum cleaner Kazuo Tahara, Tsunehiro Endo, Kunio Miyashita, Yoshitaro Ishii, Fumio Jyoraku +5 more 1994-03-15
5243732 Vacuum cleaner with fuzzy logic control Kazuo Tahara, Toshiyuki Ajima, Tsunehiro Endo, Hisao Suka, Mitsuhisa Kawamata +8 more 1993-09-14
RE34286 Method and apparatus for operating vacuum cleaner Hisanori Toyoshima, Fumio Jyoraku, Yoshitaro Ishii, Kazuo Tahara, Syuji Watanabe +4 more 1993-06-22