Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KM

Kenichiro Matsubara — 41 Patents

Hitachi: 16 patents #2,438 of 28,497Top 9%
HSHitachi Automotive Systems: 11 patents #120 of 1,636Top 8%
HAHitachi Astemo: 9 patents #36 of 1,276Top 3%
KCKyodo Yushi Co.: 5 patents #16 of 191Top 9%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
HCHitachi Car Engineering Co.: 1 patents #275 of 465Top 60%
MCMinebea Co.: 1 patents #400 of 736Top 55%
SESeiko Epson: 1 patents #5,551 of 7,774Top 75%
Hitachinaka, JP: #90 of 2,447 inventorsTop 4%
Overall (All Time): #75,429 of 4,157,543Top 2%
41 Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
8662602 Brake control apparatus Kimio Nishino, Toshiyuki Innami, Toshiharu Sugawara 2014-03-04
8348352 Brake control apparatus and method Kimio Nishino, Toshiyuki Innami, Toshiharu Sugawara 2013-01-08
8272699 Brake apparatus Shinya Imura, Hirotaka Oikawa 2012-09-25
8167383 Brake control apparatus Kimio Nishino, Toshiyuki Innami, Toshiharu Sugawara 2012-05-01
7973423 On-vehicle electric power source system Toshiyuki Innami, Kimio Nishino, Toshiharu Sugawara 2011-07-05
7644998 Brake control system Kimio Nishino, Toshiharu Sugawara, Toshiyuki Innami, Hitoshi Kobayashi 2010-01-12
7289897 Brake device for vehicle Atsushi Yokoyama, Takaomi Nishigaito, Yuzo Kadomukai, Masanori Ichinose, Toshio Manaka +1 more 2007-10-30
7235897 Power supply unit for automobiles, which can provide braking force even when abnormality occurs in the power supply unit of electrically driven brake devices Atsushi Yokoyama, Takaomi Nishigaito, Nobuyuki Ueki, Toshio Manaka 2007-06-26
7165817 Electrically driven brake device and control apparatus thereof Atsushi Yokoyama, Takaomi Nishigaito, Yuzo Kadomukai, Masanori Ichinose, Nobuyuki Ueki +1 more 2007-01-23
6917134 Vehicle use ac generator Makoto Hirama, Eiji Naito, Sakae Ishida, Susumu Sasaki, Shinji Yamazaki +2 more 2005-07-12
6854813 Electrically driven brake device and control apparatus thereof Atsushi Yokoyama, Takaomi Nishigaito, Yuzo Kadomukai, Masanori Ichinose, Nobuyuki Ueki +1 more 2005-02-15
6810316 Brake device for vehicle Atsushi Yokoyama, Takaomi Nishigaito, Yuzo Kadomukai, Masanori Ichinose, Toshio Manaka +1 more 2004-10-26
6728614 Electrically driven brake device and control apparatus thereof Atsushi Yokoyama, Toshio Manaka, Nobuyuki Ueki 2004-04-27
6617703 Auxiliary drive and automobile equipped with the same Yuzo Kadomukai, Toshiyuki Innami 2003-09-09
6239518 AC generator for vehicle Toshiyuki Innami, Masami Takano, Osamu Suzuki, Hiroshi Kanazawa, Yuzo Kadomukai 2001-05-29
5031059 Rotating disk storage device with cooling gas flow control Yuzo Yamaguchi, Takeshi Shibuya, Hiroshi Nishida 1991-07-09