Inventor
OTA HIROFUMI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “OTA HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
23 patentsUS7101305B2Sep 5, 2006
Planetary-gear-type multiple-step transmission for vehicle
TOYOTA MOTOR CO LTD313 citations99
US7972237B2Jul 5, 2011
Gear train unit with motor generator
TOYOTA MOTOR CO LTD59 citations98
US7402119B2Jul 22, 2008
Multi-speed transmission for vehicle
TOYOTA MOTOR CO LTD27 citations93
US7337051B2Feb 26, 2008
Shift control apparatus for step-variable automatic transmission
TOYOTA MOTOR CO LTD19 citations93
US7276011B2Oct 2, 2007
Automatic transmission
TOYOTA MOTOR CO LTD24 citations93
US7267630B2Sep 11, 2007
Multistage transmission
TOYOTA MOTOR CO LTD19 citations93
US7118509B2Oct 10, 2006
Multiple-step transmission
TOYOTA MOTOR CO LTD52 citations93
US7076355B2Jul 11, 2006
Shift control apparatus for vehicle step-variable automatic transmission
TOYOTA MOTOR CO LTD21 citations93
US7488269B2Feb 10, 2009
Automatic transmission
TOYOTA MOTOR CO LTD13 citations84
US7419452B2Sep 2, 2008
Control apparatus of vehicular automatic transmission
TOYOTA MOTOR CO LTD14 citations84
US7384361B2Jun 10, 2008
Planetary gear type multistage transmission for vehicle
TOYOTA MOTOR CO LTD13 citations84
US7232022B2Jun 19, 2007
Clutch-purpose hydraulic servo
TOYOTA MOTOR CO LTD12 citations84
US7186203B2Mar 6, 2007
Planetary gear type multistage transmission for vehicle
TOYOTA MOTOR CO LTD12 citations84
US7172527B2Feb 6, 2007
Planetary-gear-type multiple-step transmission for vehicle
TOYOTA MOTOR CO LTD10 citations84
US9702381B2Jul 11, 2017
Hydraulic control system
TOYOTA MOTOR CO LTD5 citations72
US7682276B2Mar 23, 2010
Hydraulic control system for use in a motor vehicle and method for controlling the hydraulic control system
TOYOTA MOTOR CO LTD5 citations63
US7524267B2Apr 28, 2009
Control apparatus for vehicular automatic transmission
TOYOTA MOTOR CO LTD2 citations63
US7517297B2Apr 14, 2009
Multistage transmission
TOYOTA MOTOR CO LTD4 citations63
US7462130B2Dec 9, 2008
Control apparatus and control method of an automatic transmission
TOYOTA MOTOR CO LTD5 citations63
US7393299B2Jul 1, 2008
Hydraulic control apparatus and hydraulic control method for automatic transmission
TOYOTA MOTOR CO LTD6 citations63
US10508728B2Dec 17, 2019
Resin side cover for transmission case
TOYOTA MOTOR CO LTD0 citations48
US7377373B2May 27, 2008
Hydraulic control apparatus for hydraulic power transmission with lock-up clutch
TOYOTA MOTOR CO LTD0 citations42
US10563738B2Feb 18, 2020
Vehicular automatic transmission
TOYOTA MOTOR CO LTD0 citations37
AISIN AW CO
5 patentsUS7604558B2Oct 20, 2009
Automatic transmission with lubricating structure
AISIN AW CO10 citations83
US7559867B2Jul 14, 2009
Connection structure for automatic transmission
AISIN AW CO7 citations74
US7748504B2Jul 6, 2010
Hydraulic servo for a brake in an automatic transmission
AISIN AW CO5 citations62
US7648013B2Jan 19, 2010
Oil pressure supply in an automatic transmission
AISIN AW CO4 citations60
US7585243B2Sep 8, 2009
Automatic transmission
AISIN AW CO0 citations51
NISSAN CHEMICAL IND LTD
4 patentsUS10199578B2Feb 5, 2019
Fluorine-atom-containing polymer and use thereof
NISSAN CHEMICAL IND LTD1 citations62
US7968542B2Jun 28, 2011
Thiophene compounds and thrombopoietin receptor activators
NISSAN CHEMICAL IND LTD6 citations61
US8026368B2Sep 27, 2011
Hydrazide compounds and thrombopoietin receptor activators
NISSAN CHEMICAL IND LTD1 citations51
US10533070B2Jan 14, 2020
Fluorine atom-containing polymer and use of same
NISSAN CHEMICAL IND LTD0 citations41