Inventor · disambiguated record
Tsutomu Omae
Also filed as: OMAE TSUTOMU
20 granted patents·773 citations·filing 1975–1993
96Inventor score
Top patents by PatentIndex Score
20 records- 0195US4025860AControl system for battery hybrid systemAGENCY IND SCIENCE TECHN·Filed 1975·Granted May 24, 1977·100 cites·11 claims
- 0294US4311556AMethod and system for inspection of inside of nuclear reactor vesselHITACHI LTD·Filed 1979·Granted Jan 19, 1982·78 cites·15 claims
- 0394US4144992AMethod for controlling an automatic pipe welderHITACHI LTD·Filed 1977·Granted Mar 20, 1979·75 cites·8 claims
- 0490US5357181AFailure detection method for electric vehicles and fail-safe control method using this methodHITACHI LTD·Filed 1993·Granted Oct 18, 1994·123 cites·24 claims
- 0590US4772996ALoad current detecting device for pulse width modulation inverterHITACHI LTD·Filed 1987·Granted Sep 20, 1988·82 cites·16 claims
- 0690US4163886AControl apparatus for an automatic pipe welderHITACHI LTD·Filed 1977·Granted Aug 7, 1979·54 cites·8 claims
- 0782US4753309AElectric power steering apparatusHITACHI LTD·Filed 1986·Granted Jun 28, 1988·40 cites·13 claims
- 0876US4096418AAutomatic change-gear control device for use in electromobileAGENCY IND SCIENCE TECHN·Filed 1977·Granted Jun 20, 1978·23 cites·1 claims
- 0972US4207478ADC Chopper deviceHITACHI LTD·Filed 1978·Granted Jun 10, 1980·13 cites·6 claims
- 1071US4839834ASpeed detecting apparatusHITACHI LTD·Filed 1987·Granted Jun 13, 1989·29 cites·11 claims
- 1169US4712052ADigital servo-control systemHITACHI LTD·Filed 1985·Granted Dec 8, 1987·26 cites·3 claims
- 1264US4366420AElectromobile control deviceHITACHI LTD·Filed 1980·Granted Dec 28, 1982·21 cites·22 claims
- 1364US4211961AControl circuit for use in control of current supply for electric motor with improved duty controlling oscillator circuit, particularly for electrical vehicleHITACHI LTD·Filed 1978·Granted Jul 8, 1980·18 cites·10 claims
- 1463US4468724AMethod and apparatus for controlling load currentHITACHI LTD·Filed 1982·Granted Aug 28, 1984·16 cites·18 claims
- 1559US5033565AMotor-driven power steering apparatusHITACHI LTD·Filed 1989·Granted Jul 23, 1991·18 cites·8 claims
- 1655US4249236AController for power converterHITACHI LTD·Filed 1979·Granted Feb 3, 1981·16 cites·4 claims
- 1753US4814678ASpeed control apparatus for motorHITACHI LTD·Filed 1987·Granted Mar 21, 1989·13 cites·5 claims
- 1848US4580083AChopper controller for a D.C. motorHITACHI LTD·Filed 1984·Granted Apr 1, 1986·11 cites·22 claims
- 1945US4960178AMotor-driven power steering apparatusHITACHI LTD·Filed 1988·Granted Oct 2, 1990·10 cites·4 claims
- 2041US4337509AMethod and apparatus for controlling firing phases of thyristorsHITACHI LTD·Filed 1980·Granted Jun 29, 1982·7 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →