RK

Ryoichi Kobayashi

HI Hitachi: 30 patents #925 of 28,497Top 4%
HC Hitachi Car Engineering Co.: 13 patents #34 of 465Top 8%
HS Hitachi Automotive Systems: 8 patents #192 of 1,636Top 15%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
UC Ulvac Coating: 7 patents #4 of 21Top 20%
IC Idemitsu Petrochemical Co.: 2 patents #182 of 578Top 35%
IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
HC Hitachi, Ltd. And Hitachi Car Engineering, Co.: 1 patents #1 of 26Top 4%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
ND Ntt Docomo: 1 patents #1,030 of 1,706Top 65%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Hitachinaka, JP: #56 of 2,447 inventorsTop 3%
Overall (All Time): #50,976 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 1–25 of 52 patents

Patent #TitleCo-InventorsDate
10627582 Optical connection component and method of manufacturing optical connection component Osamu SHIMAKAWA, Hidehisa Tazawa 2020-04-21
10536049 Electronic control device and electric power steering device Toshihiko Sakai, Takuro Kanazawa 2020-01-14
10374531 Motor control device and electric power steering system using said motor drive circuit Nobuyasu Kanekawa, Tomonobu Koseki, Takuro Kanazawa 2019-08-06
10246126 Feedback control apparatus, electrically driven power steering apparatus Nobuyasu Kanekawa, Tomonobu Koseki, Tomishige Yatsugi 2019-04-02
9917538 Motor driving circuit, motor driving system, electric power steering system, electric brake system, and vehicle driving system Nobuyasu Kanekawa, Tomonobu Koseki, Tomishige Yatsugi 2018-03-13
9882522 Power conversion device, electric power steering system, electric vehicle, electronic control throttle, and electric brake Nobuyasu Kanekawa, Tomonobu Koseki 2018-01-30
9490732 Power conversion apparatus, electronic steering system, electric vehicle, electronic control throttle and power brake Nobuyasu Kanekawa, Tomonobu Koseki, Tomishige Yatsugi 2016-11-08
9020704 Electronic control apparatus Nobuyasu Kanekawa, Tomonobu Koseki, Keisuke Honda, Atsushi Uehara 2015-04-28
8738232 Electronic control apparatus Nobuyasu Kanekawa, Tomonobu Koseki, Keisuke Honda, Atsushi Uehara 2014-05-27
8533501 Information processing apparatus and control method of information processing apparatus 2013-09-10
7969229 On-chip redundancy high-reliable system and method of controlling the same Nobuyasu Kanekawa, Tomonobu Koseki, Katsuya Oyama 2011-06-28
7801070 Mobile communication system, mobile terminal transfer device, and mobile communication method Koji Omae, Hideaki Takahashi, Takehiro Ikeda, Masahiro Inoue, Ichiro Okajima +1 more 2010-09-21
7312545 Controller for electric power steering and electric power steering system Shoji Sasaki, Norio Moriyama, Hiroshi Ichige 2007-12-25
7291685 Process for producing low polymer of α-olefin Shigeki Kura 2007-11-06
7169961 Process for producing low polymer of α-olefin Shigeki Kura 2007-01-30
6689515 Phase-shifting photomask blank, phase-shifting photomask, method for producing them and apparatus for manufacturing the blank Nobuyuki Yoshioka, Akihiko Isao, Susumu Kawada, Tsuneo Yamamoto, Jun Amano 2004-02-10
6684867 Ignition apparatus for internal combustion engine and one-chip semiconductor for internal combustion engine igniting Takashi Ito, Katsuaki Fukatsu, Noboru Sugiura 2004-02-03
6595194 Ignition system for internal combustion engine Takashi Ito, Noboru Sugiura, Katsuaki Fukatsu 2003-07-22
6576721 Process for producing low polymer of ethylene Shigeki Kura 2003-06-10
6539929 Ignition device for an internal combustion engine Takashi Ito, Katsuaki Fukatsu, Noboru Sugiura 2003-04-01
6484708 Resin sealed electronic device Satoshi Hirakawa, Toshiaki Kaminaga, Noboru Sugiura 2002-11-26
6378514 Igniter for internal combustion engine Toshiaki Kaminaga, Noboru Sugiura, Katsuaki Fukatsu 2002-04-30
6321734 Resin sealed electronic device and method of fabricating the same and ignition coil for internal combustion engine using the same Toshiaki Kaminaga, Masami Shida, Noboru Sugiura, Katsuaki Fukatsu 2001-11-27
6291990 Revolution sensor Mitsutoshi Nakane, Hiroyuki Ohgi 2001-09-18
6286491 Ignition apparatus and an ignition control system of an internal combustion engine and IGBT of an internal combustion engine Katsuaki Fukatsu, Takashi Ito 2001-09-11