Inventor
OHMAE TSUTOMU
JP17 patents
⚠️ This page may combine multiple inventors who share the name “OHMAE TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 patentsUS5549172AAug 27, 1996
Electric vehicle drive system and drive method
HITACHI LTD201 citations99
US5414339AMay 9, 1995
Electric vehicle control system
HITACHI LTD139 citations98
US5355749AOct 18, 1994
Control apparatus and control method for motor drive vehicle
HITACHI LTD214 citations98
US5583406ADec 10, 1996
Control method and system for regeneration braking of an electric vehicle
HITACHI LTD89 citations96
US5481168AJan 2, 1996
Electric vehicle torque controller
HITACHI LTD67 citations96
US5309073AMay 3, 1994
Electric vehicle control device
HITACHI LTD67 citations96
US4869334ASep 26, 1989
Electric motor-driven power steering apparatus
HITACHI LTD70 citations95
US5650700AJul 22, 1997
Electric vehicle torque controller
HITACHI LTD43 citations92
US4865148ASep 12, 1989
Vehicle height control apparatus responsive to power steering operation
HITACHI LTD45 citations92
US4875539AOct 24, 1989
Electric power steering control system
HITACHI LTD45 citations91
US4500820AFeb 19, 1985
Protective control apparatus for electrical vehicle
HITACHI LTD23 citations82
US4584528AApr 22, 1986
Speed detecting method and apparatus
HITACHI LTD24 citations81
US4926960AMay 22, 1990
Electric power steering apparatus for vehicle
HITACHI LTD21 citations80
US4218730AAug 19, 1980
Transistor switching apparatus for use in the control of a D.C. load
HITACHI LTD14 citations74