Inventor · disambiguated record
James T. Walker
Also filed as: WALKER JAMES · WALKER JAMES T · WALKER JAMES THOMAS · WALKER JR JAMES T
28 granted patents·4 pending applications·431 citations·filing 1974–2021
96Inventor score
Top patents by PatentIndex Score
32 records- 0192US7564263B2High-speed logic signal level shifterSUPERTEX INC·Filed 2006·Granted Jul 21, 2009·26 cites·10 claims
- 0290US6304461B1DC power converter having bipolar output and bi-directional reactive current transferSUPERTEX INC·Filed 2000·Granted Oct 16, 2001·85 cites·16 claims
- 0388US4922452A10 Gigasample/sec two-stage analog storage integrated circuit for transient digitizing and imaging oscillographyANALYTEK LTD·Filed 1987·Granted May 1, 1990·123 cites·18 claims
- 0483USD516768SSafeWALKER JAMES·Filed 2004·Granted Mar 7, 2006·30 cites·1 claims
- 0580USD516769SSafeWALKER JAMES·Filed 2004·Granted Mar 7, 2006·26 cites·1 claims
- 0679USD517770SSafeWALKER JAMES·Filed 2004·Granted Mar 21, 2006·25 cites·1 claims
- 0777USD517269SSafeWALKER JAMES·Filed 2004·Granted Mar 14, 2006·23 cites·1 claims
- 0875US10039851B2Wax melt systemJOHNSON & SON INC S C·Filed 2014·Granted Aug 7, 2018·2 cites·9 claims
- 0973US7480191B2High speed logic level shifterSUPERTEX INC·Filed 2006·Granted Jan 20, 2009·7 cites·19 claims
- 1071US7554378B2Fast DC coupled level translatorSUPERTEX INC·Filed 2007·Granted Jun 30, 2009·7 cites·19 claims
- 1171US7538581B2Fast AC coupled level translatorSUPERTEX INC·Filed 2007·Granted May 26, 2009·7 cites·20 claims
- 1268US6841950B1Dimmable electrolumanescent lamp drivers and method thereforSUPERTEX INC·Filed 2003·Granted Jan 11, 2005·13 cites·23 claims
- 1366US8154898B2Current driven bipolar high voltage driver for capacitive loadsWALKER JAMES T·Filed 2007·Granted Apr 10, 2012·3 cites·19 claims
- 1464US9246378B2Method and apparatus for extending the power output range of a power converter used for a lighting systemSUPERTEX INC·Filed 2013·Granted Jan 26, 2016·1 cites·23 claims
- 1564US8963430B2Circuit for detection and control of LED string operationWALKER JAMES T·Filed 2012·Granted Feb 24, 2015·1 cites·25 claims
- 1662USD931504SJarJOHNSON & SON INC S C·Filed 2021·Granted Sep 21, 2021·2 cites·1 claims
- 1760USD931503SJarJOHNSON & SON INC S C·Filed 2018·Granted Sep 21, 2021·7 cites·1 claims
- 1857US7659756B2MOSFET transistor amplifier with controlled output currentSUPERTEX INC·Filed 2006·Granted Feb 9, 2010·4 cites·15 claims
- 1953US9837889B2Power converter with inductance invarianceSUPERTEX INC·Filed 2013·Granted Dec 5, 2017·0 cites·3 claims
- 2048US5582446ADoor stabilizer clipEXOTIC RUBBER & PLASTICS CORP·Filed 1995·Granted Dec 10, 1996·19 cites·9 claims
- 2148US2014035646A1Phase Shift Generating CircuitSUPERTEX INC·Filed 2013·Application pending·0 cites
- 2247US9621149B2Bootstrapped switch with a highly linearized resistanceMICROCHIP TECH INC·Filed 2015·Granted Apr 11, 2017·0 cites·2 claims
- 2347USD245112STelephone station set baseBELL TELEPHONE LABORATORIES INCORPORATED·Filed 1976·Granted Jul 19, 1977·4 cites·1 claims
- 2445US2006060114A1Security safeWALKER JAMES T·Filed 2005·Application pending·0 cites
- 2544US2013320880A1Rms responding voltage converter for led lightsWALKER JAMES T·Filed 2013·Application pending·0 cites
- 2643US9100008B2Bootstrapped switch with a highly linearized resistanceCHOY BENEDICT C K·Filed 2012·Granted Aug 4, 2015·0 cites·13 claims
- 2742USD932065SJarJOHNSON & SON INC S C·Filed 2018·Granted Sep 28, 2021·2 cites·1 claims
- 2842US8558598B2Phase shift generating circuitWALKER JAMES T·Filed 2010·Granted Oct 15, 2013·0 cites·7 claims
- 2942US5667305ALow force high pressure portFORD MOTOR CO·Filed 1995·Granted Sep 16, 1997·13 cites·4 claims
- 3038US2002062767A1SafeFiled 2000·Application pending·0 cites
- 3130US9143131B2Field-programmable gate arrayTREFZER MARTIN·Filed 2012·Granted Sep 22, 2015·0 cites·19 claims
- 3228US3937980APrinted wiring circuit guard ringAERONUTRONIC FORD CORP·Filed 1974·Granted Feb 10, 1976·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →