Inventor · disambiguated record
Masuo Akamatsu
Also filed as: AKAMATSU MASUO
12 granted patents·1 pending application·118 citations·filing 1988–2005
91Inventor score
Top patents by PatentIndex Score
13 records- 0172US6435023B1Heating resistor type air flow rate measuring apparatusHITACHI LTD·Filed 1997·Granted Aug 20, 2002·27 cites·16 claims
- 0266US7168312B2Heating resistor type air flow meterHITACHI LTD·Filed 2005·Granted Jan 30, 2007·6 cites·7 claims
- 0356US5036702AAir flow meter with compensation of second stage delay of thermal inertiaHITACHI LTD·Filed 1988·Granted Aug 6, 1991·16 cites·14 claims
- 0448US6691568B2Air meterHITACHI LTD·Filed 2001·Granted Feb 17, 2004·4 cites·2 claims
- 0548US5181420AHot wire air flow meterHITACHI LTD·Filed 1990·Granted Jan 26, 1993·14 cites·18 claims
- 0647US6357293B1Air flow meter with heat generating resistorHITACHI LTD·Filed 1999·Granted Mar 19, 2002·14 cites·14 claims
- 0747US5537871AHot wire type air flowmeterHITACHI LTD·Filed 1994·Granted Jul 23, 1996·13 cites·10 claims
- 0846US6032526AHeating resistor type air flow-meter of ratio-metric output type and engine control system using said heating resistor type air flow-meterHITACHI LTD·Filed 1997·Granted Mar 7, 2000·12 cites·6 claims
- 0945US7036368B2Heating resistor type air flow rate measuring apparatusHITACHI CAR ENG CO LTD·Filed 2003·Granted May 2, 2006·2 cites·16 claims
- 1043US7040159B2Air meterHITACHI LTD·Filed 2003·Granted May 9, 2006·2 cites·2 claims
- 1138US5654506AHeat type air flow meterHITACHI LTD·Filed 1995·Granted Aug 5, 1997·8 cites·7 claims
- 1238US2002056318A1Heating resistor type air flow [rate] measuring apparatusHITACHI LTD·Filed 2002·Application pending·0 cites
- 1330US4976140AIntake air flow rate measuring apparatus for use in internal combustion engineHITACHI LTD·Filed 1989·Granted Dec 11, 1990·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →