Inventor · disambiguated record
James R. Hellums
Also filed as: HELLUMS JAMES R
22 granted patents·1 pending application·514 citations·filing 1980–2009
96Inventor score
Top patents by PatentIndex Score
23 records- 0197US4797631AFolded cascode amplifier with rail-to-rail common-mode rangeTEXAS INSTRUMENTS INC·Filed 1987·Granted Jan 10, 1989·82 cites·13 claims
- 0293US6384664B1Differential voltage sense circuit to detect the state of a CMOS process compatible fuses at low power supply voltagesTEXAS INSTRUMENTS INC·Filed 2000·Granted May 7, 2002·85 cites·71 claims
- 0390US6741129B1Differential amplifier slew rate boosting schemeTEXAS INSTRUMENTS INC·Filed 2002·Granted May 25, 2004·51 cites·10 claims
- 0482US6316993B1Analog circuitry for start-up glitch suppressionTEXAS INSTRUMENTS INC·Filed 2000·Granted Nov 13, 2001·24 cites·5 claims
- 0578US4890052ATemperature constant current referenceTEXAS INSTRUMENTS INC·Filed 1988·Granted Dec 26, 1989·39 cites·14 claims
- 0677US7915882B2Start-up circuit and method for a self-biased zero-temperature-coefficient current referenceTEXAS INSTRUMENTS INC·Filed 2008·Granted Mar 29, 2011·10 cites·17 claims
- 0776US5999043AOn-chip high resistance device for passive low pass filters with programmable polesTEXAS INSTRUMENTS INC·Filed 1997·Granted Dec 7, 1999·31 cites·5 claims
- 0875US6413824B1Method to partially or completely suppress pocket implant in selective circuit elements with no additional mask in a cmos flow where separate masking steps are used for the drain extension implants for the low voltage and high voltage transistorsTEXAS INSTRUMENTS INC·Filed 2000·Granted Jul 2, 2002·21 cites·17 claims
- 0970US4359680AReference voltage circuitMOSTEK CORP·Filed 1981·Granted Nov 16, 1982·19 cites·8 claims
- 1069US5525927AMOS current mirror capable of operating in the triode region with minimum output drain-to source voltageTEXAS INSTRUMENTS INC·Filed 1995·Granted Jun 11, 1996·25 cites·4 claims
- 1168US6346851B1Low-pass filter with improved high frequency attenuationTEXAS INSTRUMENTS INC·Filed 2000·Granted Feb 12, 2002·12 cites·18 claims
- 1261US7777569B2Anti-pop method and apparatus for class AB amplifiersTEXAS INSTRUMENTS INC·Filed 2009·Granted Aug 17, 2010·4 cites·18 claims
- 1360US5362988ALocal mid-rail generator circuitTEXAS INSTRUMENTS INC·Filed 1993·Granted Nov 8, 1994·19 cites·19 claims
- 1456US6671663B1Time domain noise analysisTEXAS INSTRUMENTS INC·Filed 1998·Granted Dec 30, 2003·31 cites·13 claims
- 1550US6157241AFuse trim circuit that does not prestress fusesTEXAS INSTRUMENTS INC·Filed 1999·Granted Dec 5, 2000·12 cites·10 claims
- 1650US5302888ACMOS integrated mid-supply voltage generatorTEXAS INSTRUMENTS INC·Filed 1992·Granted Apr 12, 1994·12 cites·17 claims
- 1749US6962369B2Spare wheel assemblyHELLUMS JAMES R·Filed 2003·Granted Nov 8, 2005·7 cites·8 claims
- 1846US5136255AAmplifier circuitTEXAS INSTRUMENTS INC·Filed 1991·Granted Aug 4, 1992·10 cites·5 claims
- 1939US2009201001A1Sampled data analog circuits for integrated compensation of switch mode power suppliesTEXAS INSTRUMENTS INC·Filed 2008·Application pending·0 cites
- 2036US5808484AMethod and apparatus for detecting changes in a clock signal to static statesTEXAS INSTRUMENTS INC·Filed 1995·Granted Sep 15, 1998·5 cites·5 claims
- 2135US6208277B1High speed analog to digital conversion circuitry using quantum mechanical tunneling structuresTEXAS INSTRUMENTS INC·Filed 1999·Granted Mar 27, 2001·9 cites·21 claims
- 2232US5589784AMethod and apparatus for detecting changes in a clock signal to static statesTEXAS INSTRUMENTS INC·Filed 1994·Granted Dec 31, 1996·3 cites·4 claims
- 2328US4330769ASingle electrode sense circuit for charge-coupled transversal filtersMOSTEK CORP·Filed 1980·Granted May 18, 1982·3 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when James R. Hellums files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →