Inventor
FUJISHITA MASAKATSU
JP14 patents
⚠️ This page may combine multiple inventors who share the name “FUJISHITA MASAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 patentsUS5937637AAug 17, 1999
System for purifying exhaust gas for use in an automobile
HITACHI LTD45 citations96
US5388405AFeb 14, 1995
System for purifying exhaust gas for use in an automobile
HITACHI LTD55 citations96
US5808367ASep 15, 1998
Control system for vehicle generator and control method therefor
HITACHI LTD58 citations95
US5598822AFeb 4, 1997
Knocking detection method for internal combustion engines and ignition timing control method therefor
HITACHI LTD24 citations92
US5560201AOct 1, 1996
System for purifying exhaust gas for use in an automobile
HITACHI LTD23 citations92
US5503804AApr 2, 1996
Catalyzer control apparatus
HITACHI LTD23 citations92
US5460031AOct 24, 1995
Knocking detection method for internal combustion engines and ignition timing control method therefor
HITACHI LTD28 citations92
US5390493AFeb 21, 1995
Apparatus for controlling the electric heating of catalyst
HITACHI LTD35 citations92
US5379586AJan 10, 1995
System for controlling oxygen concentration in exhaust gas and exhaust gas cleaning system employing the same
HITACHI LTD39 citations92
US5608309AMar 4, 1997
Vehicle-use alternating current generator control system
HITACHI LTD35 citations89
US5841266ANov 24, 1998
Power source system for a vehicle
HITACHI LTD19 citations82
US4862855ASep 5, 1989
Control apparatus for internal combustion engine
HITACHI LTD12 citations73
US5738068AApr 14, 1998
Method and apparatus for controlling internal combustion engine for automotive vehicle
HITACHI LTD0 citations36