Inventor
NAGAOSA HIDEO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “NAGAOSA HIDEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
24 patentsUS5497744AMar 12, 1996
Fuel injector with an integrated spark plug for a direct injection type engine
TOYOTA MOTOR CO LTD134 citations97
US6415753B1Jul 9, 2002
Variable valve apparatus of internal combustion engine and method of varying the open-close characteristic of an engine valve
TOYOTA MOTOR CO LTD24 citations92
US6318313B1Nov 20, 2001
Variable performance valve train having three-dimensional cam
TOYOTA MOTOR CO LTD36 citations92
US6244229B1Jun 12, 2001
Valve lifter for three-dimensional cam and variable valve operating apparatus using the same
TOYOTA MOTOR CO LTD38 citations92
US4840147AJun 20, 1989
Combustion chamber of a two-stroke engine
TOYOTA MOTOR CO LTD24 citations92
US4823755AApr 25, 1989
Fuel injection system for an internal combustion engine
TOYOTA MOTOR CO LTD27 citations92
US10202049B2Feb 12, 2019
Air-cooled fuel-cell vehicle
TOYOTA MOTOR CO LTD8 citations84
US9963171B2May 8, 2018
Electrically driven vehicle
TOYOTA MOTOR CO LTD14 citations84
US6561150B1May 13, 2003
Engine valve characteristic controller
TOYOTA MOTOR CO LTD14 citations84
US6435149B2Aug 20, 2002
Variable performance valve train having three-dimensional cam
TOYOTA MOTOR CO LTD15 citations83
US6704642B2Mar 9, 2004
Valve timing control apparatus and method of internal combustion engine
TOYOTA MOTOR CO LTD9 citations74
US10556494B2Feb 11, 2020
Air-cooled fuel cell vehicle
TOYOTA MOTOR CO LTD5 citations73
US9902249B2Feb 27, 2018
Electric vehicle
TOYOTA MOTOR CO LTD4 citations73
US6360704B1Mar 26, 2002
Internal combustion engine variable valve characteristic control apparatus and three-dimensional cam
TOYOTA MOTOR CO LTD6 citations73
US5687690ANov 18, 1997
Motor vehicle drive device
TOYOTA MOTOR CO LTD8 citations73
US5070834ADec 10, 1991
Diesel engine with a precombustion chamber
TOYOTA MOTOR CO LTD5 citations63
US6517601B1Feb 11, 2003
Three-dimensional cam and production method thereof
TOYOTA MOTOR CO LTD3 citations62
US6164256ADec 26, 2000
Mechanism for transmitting the movement of cams
TOYOTA MOTOR CO LTD2 citations62
US11973251B2Apr 30, 2024
Fuel cell and fuel cell separator
TOYOTA MOTOR CO LTD0 citations52
US11626610B2Apr 11, 2023
Fuel cell stack
TOYOTA MOTOR CO LTD0 citations52
US11108073B2Aug 31, 2021
Manufacturing method of fuel cell stack
TOYOTA MOTOR CO LTD0 citations52
US11063287B2Jul 13, 2021
Fuel cell stack having fixing mechanisms
TOYOTA MOTOR CO LTD0 citations52
US6220209B1Apr 24, 2001
Rocking follower mechanism for three-dimensional cam
TOYOTA MOTOR CO LTD1 citations51
US6105551AAug 22, 2000
Revolution speed control apparatus for an internal combustion engine
TOYOTA MOTOR CO LTD1 citations51