SY

Shigeyuki Yoshihara

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
SC Shin-Kobe Electric Machinery Co.: 9 patents #6 of 199Top 4%
HC Hitachi Construction Machinery Co.: 5 patents #242 of 1,234Top 20%
HC Hitachi Automotive Engineering Co.: 4 patents #36 of 314Top 15%
HC Hitachi Car Engineering Co.: 3 patents #152 of 465Top 35%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
📍 Hitachinaka, JP: #186 of 2,447 inventorsTop 8%
Overall (All Time): #173,597 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
9896822 Hybrid construction machine Ryuji Kohno, Ken Takeuchi 2018-02-20
9828749 Working machine Tomonori TAKADA, Toshihiko Ishida, Nobuyoshi Takahashi, Naoya Kawakami 2017-11-28
9731624 Electric driving wheel type work vehicle Yuichiro Morita, Kazuo Ishida, Noritaka Ito, Hirofumi Shimada 2017-08-15
9611624 Construction machine Ken Takeuchi, Shinichiro Yoshida, Itaru NAYA 2017-04-04
9457688 Electric driving wheel type work vehicle Yuichiro Morita, Kazuo Ishida, Noritaka Ito, Hirofumi Shimada 2016-10-04
8912756 Multi-series battery control system Akihiko Emori, Kazuyoshi Sasazawa, Tatsuo Horiba, Akihiko Kudo 2014-12-16
8884584 Multi-series battery control system Akihiko Emori, Kazuyoshi Sasazawa, Tatsuo Horiba, Akihiko Kudo 2014-11-11
8791668 Multi-series battery control system Akihiko Emori, Kazuyoshi Sasazawa, Tatsuo Horiba, Akihiko Kudo 2014-07-29
8786256 Multi-series battery control system Akihiko Emori, Kazuyoshi Sasazawa, Tatsuo Horiba, Akihiko Kudo 2014-07-22
8547041 Power conversion device Kimihisa Furukawa, Hideki Miyazaki, Yuichiro Takamune 2013-10-01
8339099 Multi-series battery control system Akihiko Emori, Kazuyoshi Sasazawa, Tatsuo Horiba, Akihiko Kudo 2012-12-25
8232756 Motor control apparatus Hirokazu Matsui, Kohei Myoen, Toshisada Mitsui 2012-07-31
7759888 AC motor controller Hirokazu Matsui, Takefumi Sawada 2010-07-20
7511457 Multi-series battery control system Akihiko Emori, Kazuyoshi Sasazawa, Tatsuo Horiba, Akihiko Kudo 2009-03-31
7471065 Multi-series battery control system Akihiko Emori, Kazuyoshi Sasazawa, Tatsuo Horiba, Akihiko Kudo 2008-12-30
7406389 State detecting system and device employing the same Akihiko Emori, Akihiko Kudou, Hideki Miyazaki, Toshisada Mitsui, Mitsuyuki Hombu +1 more 2008-07-29
7085661 State detecting system and device employing the same Akihiko Emori, Akihiko Kudou, Hideki Miyazaki, Toshisada Mitsui, Mitsuyuki Hombu +1 more 2006-08-01
6191550 Method and apparatus for detecting abnormality in rotation sensor 2001-02-20
5677611 Control apparatus for an electric vehicle Hiroshi Katada 1997-10-14
5661380 Method and apparatus for operating an electric vehicle drive system during periods of sensor malfunction Sanshiro Obara, Hiroyuki Yamada, Nobunori Matsudaira 1997-08-26
5631796 Electric vehicle control system Sanshiro Obara, Nobunori Matsudaira, Shotaro Naito 1997-05-20
5503804 Catalyzer control apparatus Masakatsu Fujishita, Takeshi Atago, Keiichi Mashino, Suetaro Shibukawa 1996-04-02
5495908 Electric car control system Sanshiro Obara, Hiroyuki Yamada, Nobunori Matsudaira 1996-03-05
5390493 Apparatus for controlling the electric heating of catalyst Masakatsu Fujishita, Takeshi Atago, Keiichi Mashino, Suetaro Shibukawa 1995-02-21