TY

Tomio Yoshikawa

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
HA Hitachi Appliances: 7 patents #5 of 109Top 5%
HC Hitachi Industrial Equipment Systems Co.: 1 patents #318 of 550Top 60%
Overall (All Time): #352,673 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8836192 Axial gap rotating electrical machine and rotor used therefor Zhuonan Wang, Yuji Enomoto, Ryoso Masaki, Hiromitsu Itabashi 2014-09-16
8405272 Self-starting permanent magnet synchronous motor and compressor and refrigeration cycle using the same Satoshi Kikuchi, Hiroyuki Mikami, Baiying Huang, Hideyuki Kumakura 2013-03-26
7902713 Self-starting type permanent magnet synchronous motor and a compressor using the same Satoshi Kikuchi, Hiroyuki Mikami, Akeshi Takahashi, Keiji Tanaka, Masashi Miyake +4 more 2011-03-08
7772736 Permanent magnet synchronous motor, rotor of the same, and compressor using the same Akeshi Takahashi, Haruo Koharagi, Satoshi Kikuchi, Baiying Huang 2010-08-10
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, Yasuro Ohishi, Akeshi Takahashi, Haruo Koharagi 2009-05-12
7501734 Motor, compressor, and air conditioner Akeshi Takahashi, Baiying Huang, Shigekazu Nozawa, Susumu Nakayaka, Haruo Koharagi +1 more 2009-03-10
7453181 Permanent magnet synchronous motor and compressor using the same Satoshi Kikuchi, Haruo Koharagi, Akeshi Takahashi, Baiying Huang 2008-11-18
5335708 Cooling apparatus and temperature control method therefor Kyoshiro Murakami, Tetsuji Yamashita, Hiromu Yasuda, Shizuo Zushi 1994-08-09
5224354 Control system for refrigerating apparatus Takeshi Ito 1993-07-06
5201187 System for controlling cooling equipment Takashi Kato, Tetsuji Yamashita, Kyoshiro Murakami, Shizuo Zushi 1993-04-13
5097670 Water chilling method and apparatus for the same Tetsuji Yamashita, Kyoshiro Murakami, Takashi Kato, Hiromu Yasuda, Shizuo Zushi 1992-03-24
5058389 Fluid temperature control system and computer system using same Hiromu Yasuda, Takahiro Daikoku, Kenji Takahashi, Shizuo Zushi, Tetsuji Yamashita +1 more 1991-10-22
4910968 Refrigerating apparatus Tetsuji Yamashita, Hideo Takemoto, Shizuo Zushi, Kenji Takahashi 1990-03-27
4557114 Control circuit for air conditioner Takashi Kato, Keiji Sato, Kazuo Yoshioka 1985-12-10