KK

Keiji Kadota

Nissan Motor Co.: 12 patents #548 of 8,689Top 7%
HM Hyundai Motor: 3 patents #3,336 of 11,886Top 30%
KM Kia Motors: 3 patents #1,762 of 7,429Top 25%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
HC Hyundai Motor Japan R&D Center: 1 patents #9 of 21Top 45%
📍 Hitachinaka, JP: #283 of 2,447 inventorsTop 15%
Overall (All Time): #266,167 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12395108 Motor drive device and electric vehicle system Noriya NAKAO, Shun Taniguchi, Toshiyuki Ajima 2025-08-19
10804891 Driving device Ryoichi Inada, Teppei Hirotsu, Hideyuki Sakamoto, Kouichi Yahata 2020-10-13
8565989 Method of adjusting characteristics of a clutch in a hybrid electric vehicle 2013-10-22
8187144 Clutch torque control system of hybrid electric vehicle 2012-05-29
8116958 System and method for controlling driving force of hybrid electric vehicle 2012-02-14
7532968 Vehicle driving force control apparatus 2009-05-12
7234553 Vehicle driving force control apparatus Kouichi Shimizu, Keigo Nishio 2007-06-26
7140460 Vehicle driving force control apparatus Kouichi Shimizu, Ping Chen, Tatsuya Kamata, Hiroyuki Ohya, Yasuaki Iwata 2006-11-28
7102313 Apparatus and method for providing protection to electric traction motor of vehicle Kouichi Shimizu 2006-09-05
7004018 Vehicle driving force control apparatus Kouichi Shimizu, Tatsuya Kamata, Hiroyuki Ohya, Keigo Nishio, Ping Chen 2006-02-28
6969337 Vehicle driving force control apparatus Tatsuya Kamata, Yasuaki Iwata, Kimitaka Nakamura 2005-11-29
6962550 Control for vehicle including electric motor powered by engine driven generator 2005-11-08
6953415 Vehicle control apparatus 2005-10-11
6905438 Vehicle powertrain control system and method for enhanced vehicle start-up acceleration Hidetoshi Suzuki, Kouichi Shimizu, Tatsuya Kamata, Keigo Nishio, Kimitaka Nakamura 2005-06-14
6898505 Controlling a starting and the subsequent vehicle acceleration procedure Kouichi Shimizu, Hidetoshi Suzuki 2005-05-24
6898504 Vehicle driving force control apparatus 2005-05-24
6434469 Driving force control apparatus Kouichi Shimizu 2002-08-13