Inventor · disambiguated record
Tunehiro Endo
Also filed as: ENDO TUNEHIRO · ISHIDA YOSHIO
10 granted patents·1 pending application·424 citations·filing 1977–2007
92Inventor score
Files withHITACHI LTD11
Top patents by PatentIndex Score
11 records- 0193US4879502ASpeed control apparatus and method for motorsHITACHI LTD·Filed 1988·Granted Nov 7, 1989·84 cites·12 claims
- 0293US4726738AMotor-driven compressor provided with torque control deviceHITACHI LTD·Filed 1986·Granted Feb 23, 1988·61 cites·20 claims
- 0392US5463299ACurrent controller for controlling a current flowing in a load using a PWM inverter and method used therebyHITACHI LTD·Filed 1993·Granted Oct 31, 1995·81 cites·25 claims
- 0491US7224133B2Control apparatus, dual chip inverter and single chip inverter of AC motorsHITACHI LTD·Filed 2005·Granted May 29, 2007·12 cites·9 claims
- 0588US6828752B2Driving equipment and semiconductor equipment for alternating-current motorHITACHI LTD·Filed 2003·Granted Dec 7, 2004·42 cites·13 claims
- 0682US4958406AMethod and apparatus for operating vacuum cleanerHITACHI LTD·Filed 1988·Granted Sep 25, 1990·41 cites·10 claims
- 0777US4980617ASpeed control apparatus of movable equipmentHITACHI LTD·Filed 1989·Granted Dec 25, 1990·34 cites·18 claims
- 0867US5184057AControl method and device for ac motorHITACHI LTD·Filed 1990·Granted Feb 2, 1993·35 cites·41 claims
- 0959US5381584AVacuum cleanerHITACHI LTD·Filed 1993·Granted Jan 17, 1995·27 cites·18 claims
- 1055US4166235AMagnetron comprising ferromagnetic material members axially magnetized in opposite directionsHITACHI LTD·Filed 1977·Granted Aug 28, 1979·7 cites·7 claims
- 1152US2007285044A1Control apparatus, dual chip inverter and single chip inverter of AC motorsHITACHI LTD·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →