Inventor
IWAKI HIDEFUMI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “IWAKI HIDEFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS7270118B2Sep 18, 2007
Control apparatus of engine
HITACHI LTD22 citations92
US6666191B2Dec 23, 2003
Control apparatus for internal combustion engine
HITACHI LTD11 citations74
US6272424B1Aug 7, 2001
Engine control apparatus including interpolation control means
HITACHI LTD14 citations73
US6543410B2Apr 8, 2003
Direct injection engine
HITACHI LTD7 citations70
US8033266B2Oct 11, 2011
Throttle valve controller for internal combustion engine
HITACHI LTD2 citations62
US7866298B2Jan 11, 2011
Butterfly valve device
HITACHI LTD3 citations56
HITACHI AUTOMOTIVE SYSTEMS LTD
4 patentsUS10170954B2Jan 1, 2019
Direct current motor
HITACHI AUTOMOTIVE SYSTEMS LTD9 citations81
US11378052B2Jul 5, 2022
Ignition device for internal combustion engine and control device for internal combustion engine
HITACHI AUTOMOTIVE SYSTEMS LTD2 citations72
US9180852B2Nov 10, 2015
Electric booster
HITACHI AUTOMOTIVE SYSTEMS LTD4 citations70
US9583985B2Feb 28, 2017
DC commutator motor and automobile including the same
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations40