Inventor
AKAMATSU MASUO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “AKAMATSU MASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS6435023B1Aug 20, 2002
Heating resistor type air flow rate measuring apparatus
HITACHI LTD27 citations92
US6357293B1Mar 19, 2002
Air flow meter with heat generating resistor
HITACHI LTD14 citations83
US5036702AAug 6, 1991
Air flow meter with compensation of second stage delay of thermal inertia
HITACHI LTD16 citations74
US5654506AAug 5, 1997
Heat type air flow meter
HITACHI LTD8 citations73
US5537871AJul 23, 1996
Hot wire type air flowmeter
HITACHI LTD13 citations73
US5181420AJan 26, 1993
Hot wire air flow meter
HITACHI LTD14 citations73
US6032526AMar 7, 2000
Heating resistor type air flow-meter of ratio-metric output type and engine control system using said heating resistor type air flow-meter
HITACHI LTD12 citations72
US7168312B2Jan 30, 2007
Heating resistor type air flow meter
HITACHI LTD6 citations61
US7040159B2May 9, 2006
Air meter
HITACHI LTD2 citations61
US6691568B2Feb 17, 2004
Air meter
HITACHI LTD4 citations61
US4976140ADec 11, 1990
Intake air flow rate measuring apparatus for use in internal combustion engine
HITACHI LTD0 citations41