Inventor · disambiguated record
Richard A. Johnson
Also filed as: JOHNSON RICHARD A · JOHNSON RICHARD ARTHUR
25 granted patents·1 pending application·1,141 citations·filing 1976–2007
97Inventor score
Top patents by PatentIndex Score
26 records- 0197US6167329ADual microprocessor electronic trip unit for a circuit interrupterEATON CORP·Filed 1998·Granted Dec 26, 2000·166 cites·2 claims
- 0294US5559719ADigitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 Hz and 60 Hz power systemsEATON CORP·Filed 1994·Granted Sep 24, 1996·108 cites·10 claims
- 0394US4786847ADigital control for multiaxis robotsUNIMATION INC·Filed 1986·Granted Nov 22, 1988·163 cites·8 claims
- 0492US5600527ACircuit interrupter providing protection and waveform capture for harmonic analysisEATON CORP·Filed 1994·Granted Feb 4, 1997·92 cites·11 claims
- 0585US6035694AMethod and apparatus for calibration of stray capacitance mismatch in a closed loop electro-mechanical accelerometerI O OF AUSTIN INC·Filed 1999·Granted Mar 14, 2000·82 cites·12 claims
- 0685US5627718AApparatus providing protection and metering in an ac electrical system utilizing a multi-function sampling techniqueEATON CORP·Filed 1994·Granted May 6, 1997·54 cites·13 claims
- 0784US5596473AElectrical switches with current protection interfaced with a remote station and a portable local unitEATON CORP·Filed 1995·Granted Jan 21, 1997·73 cites·4 claims
- 0879US4090250ADigital signal processorRAYTHEON CO·Filed 1976·Granted May 16, 1978·51 cites·7 claims
- 0978US6101864AMethod and apparatus for generation of test bitstreams and testing of close loop transducersI O SENSORS INC·Filed 1997·Granted Aug 15, 2000·38 cites·11 claims
- 1077US5943204AElectronic trip unit with dedicated override current sensorEATON COROPORATION·Filed 1998·Granted Aug 24, 1999·45 cites·22 claims
- 1174US6023960AMethod and apparatus for generation of test bitstreams and testing of closed loop transducersI O SENSORS INC·Filed 1999·Granted Feb 15, 2000·30 cites·3 claims
- 1271US5167513ALoad limited pin for an electrical connectorIBM·Filed 1991·Granted Dec 1, 1992·26 cites·6 claims
- 1370US7114366B1SensorINPUT OUTPUT INC·Filed 2000·Granted Oct 3, 2006·17 cites·8 claims
- 1470US6459554B1Drive circuit for the trip actuator of a network protector and a network protector incorporating the sameEATON CORPROATION·Filed 2000·Granted Oct 1, 2002·16 cites·8 claims
- 1569US4980838ADigital robot control having pulse width modulator operable with reduced noiseSTAUBLI INT·Filed 1989·Granted Dec 25, 1990·24 cites·8 claims
- 1666US5167544AFemale electrical contactMOLEX INC·Filed 1991·Granted Dec 1, 1992·29 cites·4 claims
- 1763US4902944ADigital robot control having an improved current sensing system for power amplifiers in a digital robot controlSTAUBLI INT·Filed 1988·Granted Feb 20, 1990·22 cites·13 claims
- 1863US4874997ADigital robot control providing pulse width modulation for a brushless DC driveUNIMATION INC·Filed 1988·Granted Oct 17, 1989·30 cites·5 claims
- 1950US5162001AShielded electrical connectorMOLEX INC·Filed 1991·Granted Nov 10, 1992·16 cites·21 claims
- 2048US6738243B2Apparatus and method for servicing a distribution busEATON CORP·Filed 2001·Granted May 18, 2004·3 cites·9 claims
- 2145US6377431B1Non-automatic power circuit breaker including trip mechanism which is disabled after closure of separable contactsEATON CORP·Filed 1999·Granted Apr 23, 2002·13 cites·1 claims
- 2244US5186656AMiniature coaxial electrical connectorMOLEX INC·Filed 1991·Granted Feb 16, 1993·12 cites·20 claims
- 2343US5926355AElectrical switching apparatus employing battery-powered indicatorEATON CORP·Filed 1997·Granted Jul 20, 1999·15 cites·3 claims
- 2439US5959819AReliable fault tolerant power supply for a protective relayEATON CORP·Filed 1998·Granted Sep 28, 1999·9 cites·2 claims
- 2537US2009112393A1Generating vehicle trip expenses and projected maintenance needsMATEN MICHAEL A·Filed 2007·Application pending·0 cites
- 2636US5162003AElectrical connector with a constant radius of curvature beamIBM·Filed 1991·Granted Nov 10, 1992·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →