Inventor
NAKAYAMA YOKO
JP36 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA YOKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
31 patentsUS6039026AMar 21, 2000
Method of controlling internal combustion engine
HITACHI LTD149 citations99
US6722340B1Apr 20, 2004
Cylinder injection engine and fuel injection nozzle used for the engine
HITACHI LTD91 citations98
US7121253B2Oct 17, 2006
Cylinder injection type internal combustion engine, control method for internal combustion engine, and fuel injection valve
HITACHI LTD51 citations96
US7013863B2Mar 21, 2006
Cylinder injection type internal combustion engine, control method for internal combustion engine, and fuel injection valve
HITACHI LTD60 citations96
US6991052B2Jan 31, 2006
Hybrid car
HITACHI LTD42 citations96
US6557532B1May 6, 2003
Fuel injection apparatus and method for cylinder injection type internal combustion engine
HITACHI LTD54 citations96
US6520142B2Feb 18, 2003
Engine control system for controlling in-cylinder fuel injection engine
HITACHI LTD56 citations96
US6499456B1Dec 31, 2002
Cylinder injection engine and control apparatus and method thereof
HITACHI LTD63 citations96
US6880519B2Apr 19, 2005
Fuel injection apparatus and method for cylinder injection type internal combustion engine
HITACHI LTD23 citations93
US6702053B2Mar 9, 2004
Hybrid car
HITACHI LTD31 citations93
US6390059B1May 21, 2002
Cylinder-injection type internal combustion engine, method of controlling the engine, and fuel injection nozzle
HITACHI LTD14 citations93
US6371065B1Apr 16, 2002
Control method of an internal combustion engine
HITACHI LTD20 citations93
US6334427B1Jan 1, 2002
Fuel injection method of a direct injection type internal combustion engine, a fuel injector, an internal combustion engine, and a combustion method
HITACHI LTD38 citations93
US6155217ADec 5, 2000
Control method of an internal combustion engine
HITACHI LTD43 citations93
US6095113AAug 1, 2000
Fuel injection apparatus and control method thereof
HITACHI LTD25 citations93
US5850816ADec 22, 1998
Method for stratifying air-fuel mixture in direct fuel injection internal combustion engine and electronic system engine control apparatus using above method
HITACHI LTD25 citations93
US7128051B2Oct 31, 2006
Internal combustion engine, and control apparatus and method thereof
HITACHI LTD18 citations84
US6659075B1Dec 9, 2003
Cylinder injection engine and method of combusting engine
HITACHI LTD14 citations84
US6550444B2Apr 22, 2003
Premixed-compression-ignition internal combustion engine and method of controlling the same
HITACHI LTD14 citations84
US6199534B1Mar 13, 2001
Control equipment for internal combustion engines
HITACHI LTD17 citations84
US6427659B2Aug 6, 2002
Cylinder injection type internal combustion engine, control method for internal combustion engine, and fuel injection valve
HITACHI LTD12 citations82
US7441617B2Oct 28, 2008
Hybrid car
HITACHI LTD7 citations74
US7165526B2Jan 23, 2007
Direct injection engine and controller for the same
HITACHI LTD9 citations74
US7021274B2Apr 4, 2006
Fuel injection equipment, internal combustion engine, and control method of fuel injection equipment
HITACHI LTD8 citations74
US6976468B2Dec 20, 2005
Direct injection gasoline engine
HITACHI LTD6 citations74
US6782867B2Aug 31, 2004
Direct injection gasoline engine
HITACHI LTD8 citations74
US6732706B2May 11, 2004
Cylinder injection type internal combustion engine, control method for internal combustion engine, and fuel injection valve
HITACHI LTD4 citations74
US6702194B2Mar 9, 2004
Fuel injection method of a direct injection type internal combustion engine, a fuel injector, an internal combustion engine, and a combustion method
HITACHI LTD9 citations74
US6520144B2Feb 18, 2003
Cylinder injection type internal combustion engine, control method for internal combustion engine, and fuel injection valve
HITACHI LTD7 citations74
US6484690B2Nov 26, 2002
Control equipment for internal combustion engines
HITACHI LTD12 citations74
US6938607B1Sep 6, 2005
Fuel injection apparatus and control method thereof
HITACHI LTD5 citations63