TA

Toshiyuki Ajima

HA Hitachi Astemo: 20 patents #2 of 1,276Top 1%
HS Hitachi Automotive Systems: 12 patents #102 of 1,636Top 7%
HI Hitachi: 10 patents #4,206 of 28,497Top 15%
HC Hitachi Industrial Equipment Systems Co.: 2 patents #215 of 550Top 40%
HG HGST: 1 patents #253 of 483Top 55%
Overall (All Time): #63,939 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
9831814 Electric motor drive control device, electrically driven power steering device, electrically driven brake device, and electrically driven pump device Mitsuo Sasaki, Shigehisa Aoyagi, Tomonobu Koseki, Tomio SAKASHITA 2017-11-28
9819299 Inverter device and electric vehicle Kimihisa Furukawa, Kohei Myoen, Hiroyuki Yamada 2017-11-14
9610972 Inverter device Kimihisa Furukawa, Tohma Yamaguchi, Hiroki TAKEDA 2017-04-04
9531305 Inverter apparatus Kimihisa Furukawa, Shigehisa Aoyagi, Tohma Yamaguchi, Daisuke Goto, Masaki KASHIMA 2016-12-27
9278676 Brake control device Kimio Nishino, Toshiyuki Innami, Norikazu Matsuzaki, Masayuki Kikawa, Ayumu Miyajima 2016-03-08
9180852 Electric booster Daichi NOMURA, Takuya Usui, Hidefumi Iwaki, Kazuhiko Nakano, Hirohumi Watanabe 2015-11-10
9143065 Motor drive device Norikazu Matsuzaki, Kentaro Ueno, Masaru Sakuma 2015-09-22
8882476 Oil-flooded screw compressor, motor drive system, and motor control Hirotaka Kameya, Masaru Yamasaki, Masaharu Senoo, Hideharu Tanaka, Norinaga Suzuki 2014-11-11
8833869 Vehicle brake system Norikazu Matsuzaki, Toshiyuki Innami, Kimio Nishino, Ayumu Miyajima, Masayuki Kikawa 2014-09-16
8491280 Oil-flooded screw compressor, motor drive system, and motor control device Hirotaka Kameya, Masaru Yamasaki, Masaharu Senoo, Hideharu Tanaka, Norinaga Suzuki 2013-07-23
7746023 Position detecting device and synchronous motor driving device using the same Hideki Miyazaki, Masataka Sasaki, Bunji Furuyama, Tokihito Suwa 2010-06-29
7414376 Motor drive apparatus and method and electrically driven brake apparatus Masataka Sasaki, Hideki Miyazaki, Hiroyuki Saito 2008-08-19
7294988 Synchronous motor drive unit and a driving method thereof Hideki Miyazaki, Yukio Kawabata, Kiyoshi Sakamoto, Takao Yanai, Osamu Koizumi 2007-11-13
7271557 AC motor driving apparatus and method of controlling the same Hideki Miyazaki, Yoshitaka Iwaji, Takao Yanai, Kinya Nakatsu 2007-09-18
7161323 Motor drive apparatus, electric actuator and electric power steering apparatus Hideki Miyazaki, Satoru Kaneko, Yuuichirou Takamune 2007-01-09
7035044 Magnetic disk device having a low-profile motor without deterioration in the strength of the enclosure Asao Nakano, Yuji Fujita, Yasuo Amano, Nobuyuki Ushifusa, Koki Uefuna +1 more 2006-04-25
6950276 Disk drive motor and disk drive storage device incorporating same Yuji Fujita, Asao Nakano, Yasuo Amano, Nobuyuki Ushifusa, Kouki Uefune +1 more 2005-09-27
6943984 Magnetic disc apparatus having stator structure with reduced distortion Yasuo Amano, Asao Nakano, Yuji Fujita, Nobuyuki Ushifusa, Kouki Uefune +1 more 2005-09-13
5381584 Vacuum cleaner Fumio Jyoraku, Hisao Suka, Yoshitaro Ishii, Hisanori Toyoshima, Mitsuhisa Kawamata +6 more 1995-01-17
5243732 Vacuum cleaner with fuzzy logic control Haruo Koharagi, Kazuo Tahara, Tsunehiro Endo, Hisao Suka, Mitsuhisa Kawamata +8 more 1993-09-14