Inventor
KOMACHIYA MASAHIRO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “KOMACHIYA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
18 patentsUS5699149ADec 16, 1997
Distance measurement apparatus for vehicle
HITACHI LTD112 citations98
US5693936ADec 2, 1997
Physical quantity detecting apparatus and internal combustion engine control apparatus each utilizing optical fiber
HITACHI LTD43 citations93
US7456519B2Nov 25, 2008
Power conversion system
HITACHI LTD35 citations92
US5877425AMar 2, 1999
Semiconductor-type pressure sensor with sensing based upon pressure or force applied to a silicon plate
HITACHI LTD26 citations92
US5831263ANov 3, 1998
In-cylinder pressure sensing apparatus for multi-cylinder engine
HITACHI LTD38 citations92
US6301957B1Oct 16, 2001
Fiber-optic cylinder pressure sensor
HITACHI LTD30 citations91
US5745611AApr 28, 1998
Optical fiber pressure sensor
HITACHI LTD32 citations91
US7863904B2Jan 4, 2011
Cell voltage detection device and cell system using the same
HITACHI LTD13 citations84
US6592732B1Jul 15, 2003
Gas components measuring device
HITACHI LTD16 citations84
US6557414B2May 6, 2003
Inertia sensor and method of fabricating the same
HITACHI LTD18 citations84
US6451187B1Sep 17, 2002
Air/fuel ratio sensor
HITACHI LTD19 citations84
US6418260B1Jul 9, 2002
Optical fiber and fiber-optic sensing system using the same
HITACHI LTD10 citations71
US7553572B2Jun 30, 2009
Fuel cell device and fuel cell management system
HITACHI LTD2 citations63
US7745032B2Jun 29, 2010
Fuel cell with humidifier
HITACHI LTD2 citations62
US7695838B2Apr 13, 2010
Fuel cell system and diagnosis system for the fuel cell system
HITACHI LTD5 citations61
US7795753B2Sep 14, 2010
Fuel cell control system
HITACHI LTD1 citations52
US7659028B2Feb 9, 2010
Polymer electrolyte fuel cell
HITACHI LTD0 citations52
US7425383B2Sep 16, 2008
Electrode for polymer electrolyte fuel cell, separator therefore, and polymer electrolyte fuel cell, and generating system using them
HITACHI LTD1 citations52