Inventor · disambiguated record
Sanford Cobb, Jr.
Also filed as: COBB JR SANFORD · COBB SANFORD · COBB SANFORD JR
56 granted patents·2 pending applications·7,815 citations·filing 1976–2008
99Inventor score
Files with3M INNOVATIVE PROPERTIES CO35MINNESOTA MINING & MFG193M INTELLECTUAL PROPERTIES COM13MINNOVATIVE PROPERTIES COMPAN1GARDINER MARK E1
Top patents by PatentIndex Score
58 records- 0199US7038745B2Brightness enhancing reflective polarizer3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted May 2, 2006·121 cites·8 claims
- 0299US6262842B1Transflective displays with reflective polarizing transflector3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Jul 17, 2001·231 cites·14 claims
- 0399US6080467AHigh efficiency optical devices3M INNOVATIVE PROPERTIES CO·Filed 1995·Granted Jun 27, 2000·229 cites·34 claims
- 0499US6025897ADisplay with reflective polarizer and randomizing cavity3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Feb 15, 2000·254 cites·22 claims
- 0599US5917664ABrightness enhancement film with soft cutoff3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Jun 29, 1999·420 cites·11 claims
- 0699US5828488AReflective polarizer displayMINNESOTA MINING & MFG·Filed 1995·Granted Oct 27, 1998·513 cites·92 claims
- 0799US5771328ALight directing film having variable height structured surface and light directing article constructed therefromMINNESOTA MINING & MFG·Filed 1997·Granted Jun 23, 1998·629 cites·10 claims
- 0899US5056892ATotally internally reflecting thin, flexible filmMINNESOTA MINING & MFG·Filed 1990·Granted Oct 15, 1991·288 cites·8 claims
- 0999US4906070ATotally internally reflecting thin, flexible filmMINNESOTA MINING & MFG·Filed 1988·Granted Mar 6, 1990·342 cites·13 claims
- 1099US4895428AHigh efficiency retroreflective materialMINNESOTA MINING & MFG·Filed 1988·Granted Jan 23, 1990·244 cites·24 claims
- 1199US4805984ATotally internally reflecting light conduitMINNESOTA MINING & MFG·Filed 1986·Granted Feb 21, 1989·223 cites·36 claims
- 1298US7046905B1Blacklight with structured surfaces3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted May 16, 2006·132 cites·24 claims
- 1398US6905220B2Backlight system with multilayer optical film reflector3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Jun 14, 2005·124 cites·53 claims
- 1498US6707611B2Optical film with variable angle prisms3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Mar 16, 2004·116 cites·5 claims
- 1598US6354709B1Optical film3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Mar 12, 2002·329 cites·25 claims
- 1698US6280063B1Brightness enhancement article3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Aug 28, 2001·384 cites·20 claims
- 1798US5919551AVariable pitch structured optical film3M INNOVATIVE PROPERTIES CO·Filed 1996·Granted Jul 6, 1999·428 cites·35 claims
- 1898US5825542ADiffusely reflecting multilayer polarizers and mirrorsMINNESOTA MINING & MFG·Filed 1997·Granted Oct 20, 1998·309 cites·31 claims
- 1998US4984144AHigh aspect ratio light fixture and film for use thereinMINNESOTA MINING & MFG·Filed 1988·Granted Jan 8, 1991·175 cites·9 claims
- 2097US7147903B2High efficiency optical devices3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Dec 12, 2006·23 cites·19 claims
- 2197US6924014B2High efficiency optical devices3MINNOVATIVE PROPERTIES COMPAN·Filed 2003·Granted Aug 2, 2005·64 cites·20 claims
- 2297US6560026B2Optical film with variable angle prismsFiled 2002·Granted May 6, 2003·78 cites·27 claims
- 2397US6356391B1Optical film with variable angle prisms3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Mar 12, 2002·185 cites·28 claims
- 2497US6124971ATransflective displays with reflective polarizing transflector3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Sep 26, 2000·215 cites·56 claims
- 2597US5190370AHigh aspect ratio lighting elementMINNESOTA MINING & MFG·Filed 1991·Granted Mar 2, 1993·146 cites·6 claims
- 2697US4206969ADirectional front projection screenMINNESOTA MINING & MFG·Filed 1979·Granted Jun 10, 1980·62 cites·5 claims
- 2796US6210785B1High efficiency optical devices3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Apr 3, 2001·90 cites·18 claims
- 2895US6576887B2Light guide for use with backlit display3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Jun 10, 2003·158 cites·38 claims
- 2995US6322236B1Optical film with defect-reducing surface and method for making same3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Nov 27, 2001·268 cites·63 claims
- 3094US6845212B2Optical element having programmed optical structures3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Jan 18, 2005·155 cites·19 claims
- 3194US6581286B2Method of making tool to produce optical film3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Jun 24, 2003·85 cites·1 claims
- 3294US6515785B1Optical devices using reflecting polarizing materials3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Feb 4, 2003·109 cites·4 claims
- 3391US6934082B2Optical devices using reflecting polarizing materials3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Aug 23, 2005·33 cites·7 claims
- 3490US6052164AElectroluminescent display with brightness enhancement3M INNOVATIVE PROPERTIES CO·Filed 1993·Granted Apr 18, 2000·96 cites·10 claims
- 3589US7852560B2Display incorporating reflective polarizer3M INNOVATIVE PROPERTIES CO·Filed 2008·Granted Dec 14, 2010·14 cites·11 claims
- 3689US7423708B2Display having a reflective polarizer3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Sep 9, 2008·7 cites·7 claims
- 3789US7221847B2Optical elements having programmed optical structures3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted May 22, 2007·34 cites·13 claims
- 3889US6543153B1Reflective polarizer having improved properties and optical display with improved reflective polarizer3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Apr 8, 2003·61 cites·11 claims
- 3989US6018419ADiffuse reflectors3M INTELLECTUAL PROPERTIES COM·Filed 1998·Granted Jan 25, 2000·84 cites·22 claims
- 4086US5575550APole light having a programmable footprintMINNESOTA MINING & MFG·Filed 1995·Granted Nov 19, 1996·53 cites·6 claims
- 4185US6447135B1Lightguide having a directly secured reflector and method of making the same3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Sep 10, 2002·64 cites·24 claims
- 4284US7833593B2High efficiency optical devices3M INNOVATIVE PROPERTIES CO·Filed 2007·Granted Nov 16, 2010·3 cites·12 claims
- 4382US6641883B2High efficiency optical devices3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Nov 4, 2003·11 cites·25 claims
- 4478US5040883ALight fixture with beam shaping lensMINNESOTA MINING & MFG·Filed 1989·Granted Aug 20, 1991·35 cites·11 claims
- 4576US6888675B2Transflective displays with reflective polarizing transflector3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted May 3, 2005·12 cites·9 claims
- 4673US5095415ALight fixture for externally illuminated signMINNESOTA MINING & MFG·Filed 1989·Granted Mar 10, 1992·32 cites·15 claims
- 4772US7873256B2Backlight with structured surfaces3M INNOVATIVE PROPERTIES CO·Filed 2005·Granted Jan 18, 2011·4 cites·5 claims
- 4868US8588574B2Backlight with structured surfacesGARDINER MARK E·Filed 2007·Granted Nov 19, 2013·4 cites·5 claims
- 4968USRE40227ETotally internally reflecting thin, flexible film3M INNOVATIVE PROPERTIES CO·Filed 2003·Granted Apr 8, 2008·10 cites·43 claims
- 5066US4989125AReflector using fresnel-type structures having a plurality of active facesMINNESOTA MINING & MFG·Filed 1988·Granted Jan 29, 1991·25 cites·10 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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