Inventor · disambiguated record
James L. Sanford
Also filed as: SANFORD JAMES L · SANFORD JAMES LAWRENCE
23 granted patents·2 pending applications·1,615 citations·filing 1980–2025
97Inventor score
Files withIBM13SNAP INC5COMPOUND PHOTONICS LTD2TOPPOLY OPTOELECTRONICS CORP2CHI MEI OPTOELECTRONICS CORP1
Top patents by PatentIndex Score
25 records- 0198US6777712B2Low-power organic light emitting diode pixel circuitIBM·Filed 2003·Granted Aug 17, 2004·207 cites·20 claims
- 0298US6734636B2OLED current drive pixel circuitIBM·Filed 2002·Granted May 11, 2004·371 cites·17 claims
- 0398US6580657B2Low-power organic light emitting diode pixel circuitIBM·Filed 2001·Granted Jun 17, 2003·247 cites·26 claims
- 0497US7071932B2Data voltage current drive amoled pixel circuitTOPPOLY OPTOELECTRONICS CORP·Filed 2002·Granted Jul 4, 2006·220 cites·16 claims
- 0597US7038392B2Active-matrix light emitting display and method for obtaining threshold voltage compensation for sameIBM·Filed 2003·Granted May 2, 2006·203 cites·37 claims
- 0694US7167169B2Active matrix oled voltage drive pixel circuitTOPPOLY OPTOELECTRONICS CORP·Filed 2002·Granted Jan 23, 2007·78 cites·15 claims
- 0789US5831710ALiquid crystal displayIBM·Filed 1997·Granted Nov 3, 1998·106 cites·10 claims
- 0887US11893966B2Systems and methods for improving operating characteristics of displaysSNAP INC·Filed 2022·Granted Feb 6, 2024·1 cites·20 claims
- 0987US7612749B2Driving circuits for displaysCHI MEI OPTOELECTRONICS CORP·Filed 2003·Granted Nov 3, 2009·44 cites·24 claims
- 1082US11455975B2Systems and method for improving operating characteristics of displaysSNAP INC·Filed 2019·Granted Sep 27, 2022·2 cites·20 claims
- 1182US6667791B2Passive drive matrix displayIBM·Filed 2002·Granted Dec 23, 2003·34 cites·27 claims
- 1281US7367715B1Medium containing optical paths and electrically conducting paths for applications in high speed data linksIBM·Filed 2007·Granted May 6, 2008·11 cites·6 claims
- 1380US12249294B2Dual-voltage pixel circuitry for liquid crystal displaySNAP INC·Filed 2020·Granted Mar 11, 2025·1 cites·20 claims
- 1480US2025299649A1Systems and methods for improving operating characteristics of displaysSNAP INC·Filed 2025·Application pending·0 cites
- 1576US12322360B2Systems and methods for improving operating characteristics of displaysSNAP INC·Filed 2023·Granted Jun 3, 2025·0 cites·20 claims
- 1674US8405690B2Optically addressed gray scale electric charge-accumulating spatial light modulatorGOETZ HOWARD V·Filed 2007·Granted Mar 26, 2013·4 cites·33 claims
- 1773US9368074B2Optically addressed gray scale electric charge-accumulating spatial light modulatorCOMPOUND PHOTONICS LTD·Filed 2013·Granted Jun 14, 2016·2 cites·30 claims
- 1873US8013820B2Pulse width driving method using multiple pulseCOMPOUND PHOTONICS LTD·Filed 2007·Granted Sep 6, 2011·3 cites·32 claims
- 1963US4310868AFast cycling, low power driver for an electromagnetic deviceIBM·Filed 1980·Granted Jan 12, 1982·17 cites·20 claims
- 2061US6181398B1Multiple pixel driven mirror electrodes for improved aperture ratio of reflective displaysIBM·Filed 1998·Granted Jan 30, 2001·28 cites·12 claims
- 2160US5870164APolarization dependent twisted nematic liquid crystal devices for reflective spatial light modulatorsIBM·Filed 1997·Granted Feb 9, 1999·26 cites·23 claims
- 2259US8072670B2Pixel circuit to electrode translationSANFORD JAMES L·Filed 2006·Granted Dec 6, 2011·1 cites·17 claims
- 2339US2004095297A1Nonlinear voltage controlled current source with feedback circuitIBM·Filed 2002·Application pending·0 cites
- 2435US5818563ASubstrate structure and assembly method for reduced spatial light modulator sizeIBM·Filed 1997·Granted Oct 6, 1998·6 cites·17 claims
- 2531US4423357ASwitchable precision current sourceIBM·Filed 1982·Granted Dec 27, 1983·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →