Inventor · disambiguated record
Marshall Williams
Also filed as: WILLIAMS MARSHALL · WILLIAMS MARSHALL L
18 granted patents·525 citations·filing 1975–2011
95Inventor score
Top patents by PatentIndex Score
18 records- 0197US4560983ADynamically interactive responsive control device and systemAMPEX·Filed 1982·Granted Dec 24, 1985·158 cites·66 claims
- 0293US7921309B1Systems and methods for determining and managing the power remaining in a handheld electronic deviceAMAZON TECHNOLOGIES·Filed 2007·Granted Apr 5, 2011·34 cites·10 claims
- 0392US4427978AMultiplexed liquid crystal display having a gray scale imageWILLIAMS MARSHALL·Filed 1981·Granted Jan 24, 1984·126 cites·1 claims
- 0491US9042833B1Infrared and capacitance based sensing for proximity detectionJAYARAJ NAGENDRA BAGE·Filed 2011·Granted May 26, 2015·18 cites·23 claims
- 0589US3964417AWater vehiclesHYDROBIKE INC·Filed 1975·Granted Jun 22, 1976·46 cites·26 claims
- 0675US6580461B2Line-quadrupler in home theater uses line-doubler of AV-part and scaler in graphics controller of PC-partKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Jun 17, 2003·12 cites·13 claims
- 0773US4530107AShift register delay circuitAMPEX·Filed 1982·Granted Jul 16, 1985·17 cites·16 claims
- 0864US4802023ASystem for reading and writing vertical interval time codeAMPEX·Filed 1986·Granted Jan 31, 1989·13 cites·14 claims
- 0963US4446389AQuadrature tach decoder circuitAMPEX·Filed 1982·Granted May 1, 1984·14 cites·7 claims
- 1062US6437828B1Line-quadrupler in home theater uses line-doubler of AV-part and scaler in graphics controller of PC-partKONINKL PHILIPS ELECTRONICS NV·Filed 1997·Granted Aug 20, 2002·23 cites·10 claims
- 1156US4679098AVideo tape transport servo for variable tape speed controlAMPEX·Filed 1986·Granted Jul 7, 1987·10 cites·12 claims
- 1255US4594563ASignal comparison circuit and phase-locked-loop using sameAMPEX·Filed 1984·Granted Jun 10, 1986·12 cites·15 claims
- 1355US4532560AApparatus and method for indicating tape timeAMPEX·Filed 1982·Granted Jul 30, 1985·8 cites·38 claims
- 1447US4786985AMethod and apparatus for extracting binary signals included in vertical blanking intervals of video signalsAMPEX·Filed 1986·Granted Nov 22, 1988·9 cites·20 claims
- 1537US5768600AMethod for supplying DC power from a PC's internal power supply to any associated peripheral devicesUNISYS CORP·Filed 1997·Granted Jun 16, 1998·9 cites·7 claims
- 1635US5153850AMethod and apparatus for modifying two's complement multiplier to perform unsigned magnitude multiplicationMASS MICROSYSTEMS·Filed 1990·Granted Oct 6, 1992·9 cites·13 claims
- 1734US6014750ATechniques for distributing/supplying intra-computer DC power to external peripheral devices of a computer systemUNISYS CORP·Filed 1998·Granted Jan 11, 2000·6 cites·10 claims
- 1833US4557434ATape remaining circuitAMPEX·Filed 1982·Granted Dec 10, 1985·1 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →