Inventor · disambiguated record
Barbara A. Chappell
Also filed as: CHAPPELL BARBARA · CHAPPELL BARBARA A · CHAPPELL BARBARA ALANE
28 granted patents·6 pending applications·750 citations·filing 1981–2025
97Inventor score
Top patents by PatentIndex Score
34 records- 0197US4845677APipelined memory chip structure having improved cycle timeIBM·Filed 1987·Granted Jul 4, 1989·135 cites·5 claims
- 0291US6556471B2VDD modulated SRAM for highly scaled, high performance cacheINTEL CORP·Filed 2001·Granted Apr 29, 2003·63 cites·15 claims
- 0391US5204841AVirtual multi-port RAMIBM·Filed 1992·Granted Apr 20, 1993·98 cites·6 claims
- 0490US5541427ASRAM cell with capacitorIBM·Filed 1993·Granted Jul 30, 1996·87 cites·1 claims
- 0587US2025324747A1Through gate fin isolationINTEL CORP·Filed 2025·Application pending·0 cites
- 0686US5942917AHigh speed ratioed CMOS logic structures for a pulsed input environmentINTEL CORP·Filed 1997·Granted Aug 24, 1999·52 cites·20 claims
- 0781US6721924B2Noise and power optimization in high performance circuitsINTEL CORP·Filed 2001·Granted Apr 13, 2004·31 cites·4 claims
- 0881US2025227989A1Through gate fin isolationINTEL CORP·Filed 2025·Application pending·0 cites
- 0981US2024362391A1Multi version library cell handling and integrated circuit structures fabricated therefromINTEL CORP·Filed 2024·Application pending·0 cites
- 1080US11271010B2Multi version library cell handling and integrated circuit structures fabricated therefromINTEL CORP·Filed 2017·Granted Mar 8, 2022·2 cites·7 claims
- 1179US2025225306A1Multi version library cell handling and integrated circuit structures fabricated therefromINTEL CORP·Filed 2025·Application pending·0 cites
- 1277US11037923B2Through gate fin isolationBOHR MARK T·Filed 2012·Granted Jun 15, 2021·3 cites·9 claims
- 1375US5542067AVirtual multi-port RAM employing multiple accesses during single machine cycleIBM·Filed 1994·Granted Jul 30, 1996·36 cites·9 claims
- 1474US12067338B2Multi version library cell handling and integrated circuit structures fabricated therefromINTEL CORP·Filed 2022·Granted Aug 20, 2024·0 cites·8 claims
- 1573US4843261AComplementary output, high-density CMOS decoder/driver circuit for semiconductor memoriesIBM·Filed 1988·Granted Jun 27, 1989·29 cites·12 claims
- 1669US6721926B2Method and apparatus for improving digital circuit designINTEL CORP·Filed 2002·Granted Apr 13, 2004·17 cites·24 claims
- 1769US2021233908A1Through gate fin isolationINTEL CORP·Filed 2021·Application pending·0 cites
- 1868US5748012AMethodology to test pulsed logic circuits in pseudo-static modeIBM·Filed 1996·Granted May 5, 1998·23 cites·15 claims
- 1965US5015881AHigh speed decoding circuit with improved AND gateIBM·Filed 1990·Granted May 14, 1991·19 cites·9 claims
- 2064US4583197AMulti-stage pass transistor shifter/rotatorIBM·Filed 1983·Granted Apr 15, 1986·34 cites·7 claims
- 2163US4618784AHigh-performance, high-density CMOS decoder/driver circuitIBM·Filed 1985·Granted Oct 21, 1986·21 cites·11 claims
- 2261US4491748AHigh performance FET driver circuitIBM·Filed 1981·Granted Jan 1, 1985·13 cites·6 claims
- 2352US4835419ASource-follower emitter-coupled-logic receiver circuitIBM·Filed 1987·Granted May 30, 1989·9 cites·12 claims
- 2452US4719372AMultiplying interface circuit for level shifting between FET and TTL levelsIBM·Filed 1986·Granted Jan 12, 1988·9 cites·7 claims
- 2550US4460910AHeterojunction semiconductorIBM·Filed 1981·Granted Jul 17, 1984·15 cites·6 claims
- 2649US4998028AHigh speed CMOS logic device for providing ECL compatible logic levelsIBM·Filed 1990·Granted Mar 5, 1991·9 cites·13 claims
- 2748US4550489AHeterojunction semiconductorIBM·Filed 1983·Granted Nov 5, 1985·9 cites·10 claims
- 2844US2004060016A1Time synthesis for power optimization of high performance circuitsFiled 2003·Application pending·0 cites
- 2943US5089726AFast cycle time clocked amplifierIBM·Filed 1990·Granted Feb 18, 1992·7 cites·22 claims
- 3043US4697108AComplementary input circuit with nonlinear front end and partially coupled latchIBM·Filed 1986·Granted Sep 29, 1987·6 cites·5 claims
- 3135US5471188AFast comparator circuitIBM·Filed 1994·Granted Nov 28, 1995·7 cites·20 claims
- 3233US5649170AInterconnect and driver optimization for high performance processorsIBM·Filed 1995·Granted Jul 15, 1997·10 cites·9 claims
- 3331US6279024B1High performance, low power incrementer for dynamic circuitsIBM·Filed 1996·Granted Aug 21, 2001·2 cites·9 claims
- 3430US4533940AHigh spatial resolution energy discriminatorCHAPPELL BARBARA A·Filed 1983·Granted Aug 6, 1985·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →