P

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 patents
US7101305B2Sep 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 patents

NISSAN CHEMICAL IND LTD

4 patents

CANON KK

3 patents

OTA HIROFUMI

3 patents

NISSAN CHEMICAL CORP

2 patents

HITACHI LTD

1 patent

MIYAJI KATSUAKI

1 patent

SUGIURA NOBUTADA

1 patent

MYAJI KATSUAKI

1 patent

OMRON TATEISI ELECTRONICS CO

1 patent

TAISHO PHARMACEUTICAL CO LTD

1 patent

KAWAGUCHI TAKANORI

1 patent