Inventor
HAMADA YASUNAGA
JP15 patents
⚠️ This page may combine multiple inventors who share the name “HAMADA YASUNAGA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 patentsUS5992391ANov 30, 1999
Electromagnetic fuel injector and control method thereof
HITACHI LTD78 citations96
US6550458B2Apr 22, 2003
Electromagnetic fuel injection apparatus, an internal combustion engine having an electromagnetic fuel injection apparatus, and a drive circuit of an electromagnetic fuel injection apparatus
HITACHI LTD47 citations95
US6571773B1Jun 3, 2003
Fuel injector and internal combustion engine
HITACHI LTD50 citations92
US6332453B1Dec 25, 2001
Electromagnetic system fuel injection apparatus an internal combustion engine having an electromagnetic system fuel injection apparatus, and a drive circuit of an electromagnetic system fuel injection apparatus
HITACHI LTD16 citations92
US6129073AOct 10, 2000
Electromagnetic fuel injector and control method thereof
HITACHI LTD21 citations92
US6032879AMar 7, 2000
Fuel injector for use in internal combustion engine
HITACHI LTD23 citations91
US6634338B1Oct 21, 2003
Fuel injection apparatus, fuel injection method and internal combustion engine
HITACHI LTD18 citations84
US6834844B1Dec 28, 2004
Electromagnetic type fuel injector valve
HITACHI LTD15 citations83
US6431155B1Aug 13, 2002
Electromagnetic fuel injector and control method thereof
HITACHI LTD11 citations74
US6341592B2Jan 29, 2002
Fuel injector and internal combustion engine having the same
HITACHI LTD8 citations73
US6216665B1Apr 17, 2001
Fuel injector and internal combustion engine having the same
HITACHI LTD6 citations73
US6615805B2Sep 9, 2003
Electromagnetic fuel injector and control method thereof
HITACHI LTD3 citations63