Inventor

UMEHARA TSUTOMU

JP4 patents

⚠️ This page may combine multiple inventors who share the name “UMEHARA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOYOTA JIDOSHOKKI KK

2 patents

US6973785B2Dec 13, 2005

Apparatus and method for controlling EGR in an engine

TOYOTA JIDOSHOKKI KK30 citations88

US9677497B2Jun 13, 2017

Fuel injection control apparatus and compression ignition type internal combustion engine

TOYOTA JIDOSHOKKI KK4 citations70

HITACHI CONSTRUCTION MACH CO

1 patent

US10302028B2May 28, 2019

Work machine, power unit, and diesel engine of work machine

HITACHI CONSTRUCTION MACH CO0 citations48

HAMAMATSU TAKEHITO

1 patent

US8875488B2Nov 4, 2014

Internal combustion engine

HAMAMATSU TAKEHITO0 citations27