Inventor · disambiguated record
Stephen J. Willett
Also filed as: WILLETT STEPHEN J
26 granted patents·4 pending applications·728 citations·filing 1984–2019
96Inventor score
Files with3M INNOVATIVE PROPERTIES CO13MINNESOTA MINING & MFG5DESTAIN PATRICK R4OUDERKIRK ANDREW J2WILLETT STEPHEN J2
Top patents by PatentIndex Score
30 records- 0194US7901083B2Optical projection subsystem3M INNOVATIVE PROPERTIES CO·Filed 2007·Granted Mar 8, 2011·44 cites·23 claims
- 0294US5325218ACholesteric polarizer for liquid crystal display and overhead projectorMINNESOTA MINING & MFG·Filed 1992·Granted Jun 28, 1994·238 cites·17 claims
- 0392US5333072AReflective liquid crystal display overhead projection system using a reflective linear polarizer and a fresnel lensMINNESOTA MINING & MFG·Filed 1992·Granted Jul 26, 1994·133 cites·6 claims
- 0491US5398125ALiquid crystal projection panel having microlens arrays, on each side of the liquid crystal, with a focus beyond the liquid crystalMINNESOTA MINING & MFG·Filed 1993·Granted Mar 14, 1995·115 cites·10 claims
- 0590US6088067ALiquid crystal display projection system using multilayer optical film polarizers3M INNOVATIVE PROPERTIES CO·Filed 1995·Granted Jul 11, 2000·101 cites·19 claims
- 0688US8274220B2LED source with hollow collection lensDESTAIN PATRICK R·Filed 2011·Granted Sep 25, 2012·5 cites·20 claims
- 0786US9784985B2Titled dichroic polarizing beamsplitter3M INNOVATIVE PROPERTIES CO·Filed 2012·Granted Oct 10, 2017·6 cites·20 claims
- 0885US8070295B2Optical projection subsystemDESTAIN PATRICK R·Filed 2011·Granted Dec 6, 2011·5 cites·23 claims
- 0984US12025797B2Compact heads-up display3M INNOVATIVE PROPERTIES COMPANY·Filed 2019·Granted Jul 2, 2024·2 cites·20 claims
- 1082US8459800B2Optical projection subsystemDESTAIN PATRICK R·Filed 2011·Granted Jun 11, 2013·4 cites·11 claims
- 1180US9952443B2Projection subsystem3M INNOVATIVE PROPERTIES CO·Filed 2016·Granted Apr 24, 2018·2 cites·10 claims
- 1279US9525855B2Projection subsystemWILLETT STEPHEN J·Filed 2012·Granted Dec 20, 2016·4 cites·23 claims
- 1379US4569895ACharge transfer media and process for making thereofMINNESOTA MINING & MFG·Filed 1984·Granted Feb 11, 1986·20 cites·12 claims
- 1478US8587873B2Wide-angle projection lens for projection display systemsYUN ZHISHENG·Filed 2011·Granted Nov 19, 2013·5 cites·18 claims
- 1577US8542441B2High durability color combinerOUDERKIRK ANDREW J·Filed 2009·Granted Sep 24, 2013·8 cites·16 claims
- 1673US8115384B2LED source with hollow collection lensDESTAIN PATRICK R·Filed 2007·Granted Feb 14, 2012·4 cites·11 claims
- 1770US8995062B2Projection lens for projection display systemsYUN ZHISHENG·Filed 2011·Granted Mar 31, 2015·2 cites·20 claims
- 1867US8654444B2Polarization converting color combinerOUDERKIRK ANDREW J·Filed 2009·Granted Feb 18, 2014·4 cites·20 claims
- 1964US10139645B2Tilted dichroic polarizing beamsplitter3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Nov 27, 2018·0 cites·5 claims
- 2064US8408721B2Projection system with imaging light source moduleAUERBACH ROY A·Filed 2009·Granted Apr 2, 2013·3 cites·24 claims
- 2164US5428469ALiquid crystal display projection systems employing polarizing beam splitters and passing light through display cell from both directionsMINNESOTA MINING & MFG·Filed 1993·Granted Jun 27, 1995·23 cites·14 claims
- 2261US10670873B2Projection subsystem3M INNOVATIVE PROPERTIES CO·Filed 2018·Granted Jun 2, 2020·0 cites·14 claims
- 2350US10823717B2Wireless power transfer and sensing for monitoring pipelines3M INNOVATIVE PROPERTIES CO·Filed 2017·Granted Nov 3, 2020·0 cites·19 claims
- 2449US10451588B2Magneto-mechanical resonator sensor with mass distribution channel3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Oct 22, 2019·0 cites·20 claims
- 2548US2008051135A1Combination camera/projector system3M INNOVATIVE PROPERTIES CO·Filed 2007·Application pending·0 cites
- 2644US10408685B2Magneto-mechanical resonator sensor with pre-disposed mass3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Sep 10, 2019·0 cites·18 claims
- 2744US2014211173A1Optical projection subsystem3M INNOVATIVE PROPERTIES CO·Filed 2013·Application pending·0 cites
- 2841US10228319B2Systems and methods for magneto-mechanical resonator sensors3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Mar 12, 2019·0 cites·20 claims
- 2939US2019137450A1Resonant acoustic gas sensor3M INNOVATIVE PROPERTIES CO·Filed 2017·Application pending·0 cites
- 3035US2012188519A1Projection and display systemWILLETT STEPHEN J·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →