Inventor
KUBO HIROMASA
JP20 patents
⚠️ This page may combine multiple inventors who share the name “KUBO HIROMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
14 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
US6675766B2Jan 13, 2004
Fuel injection valve and internal combustion engine mounting the same
HITACHI LTD13 citations92
US6571773B1Jun 3, 2003
Fuel injector and internal combustion engine
HITACHI LTD50 citations92
US6453872B1Sep 24, 2002
Fuel injection valve and internal combustion engine mounting the same
HITACHI LTD20 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
US6634338B1Oct 21, 2003
Fuel injection apparatus, fuel injection method and internal combustion engine
HITACHI LTD18 citations84
US6668793B2Dec 30, 2003
Internal combustion engine
HITACHI LTD12 citations74
US6431155B1Aug 13, 2002
Electromagnetic fuel injector and control method thereof
HITACHI LTD11 citations74
US7264181B2Sep 4, 2007
Fuel injection valve with restriction wall, and internal combustion engine equipped therewith
HITACHI LTD4 citations63
US6840465B2Jan 11, 2005
Manufacturing method of a fuel injection valve; and a fuel injection valve and an internal combustion engine equipped therewith
HITACHI LTD4 citations63
US6615805B2Sep 9, 2003
Electromagnetic fuel injector and control method thereof
HITACHI LTD3 citations63
US7231902B2Jun 19, 2007
Fuel injection valve and internal combustion engine mounting the same
HITACHI LTD0 citations51
HITACHI CAR ENG CO LTD
3 patentsUS6929196B2Aug 16, 2005
Fuel injection valve and internal combustion engine mounting the same
HITACHI CAR ENG CO LTD24 citations92
US7021569B1Apr 4, 2006
Fuel injection valve
HITACHI CAR ENG CO LTD24 citations91
US6648298B2Nov 18, 2003
Electromagnetic fuel injection valve
HITACHI CAR ENG CO LTD14 citations83
NISSAN MOTOR
3 patentsUS4951209AAug 21, 1990
Induction volume sensing arrangement for internal combustion engine or the like
NISSAN MOTOR16 citations73
US4771632ASep 20, 1988
Self-cleaning arrangement for automotive hot wire type air flow meter
NISSAN MOTOR13 citations73
US4519237AMay 28, 1985
Oxygen-sensing system
NISSAN MOTOR12 citations73