Inventor · disambiguated record
Jonathan Harrold
Also filed as: HARROLD JONATHAN
169 granted patents·36 pending applications·4,195 citations·filing 1994–2025
99Inventor score
Top patents by PatentIndex Score
205 records- 0199US11340482B2Pupillated illumination apparatusREALD SPARK LLC·Filed 2021·Granted May 24, 2022·16 cites·61 claims
- 0299US11099448B2Off-axis display deviceREALD SPARK LLC·Filed 2020·Granted Aug 24, 2021·36 cites·30 claims
- 0399US11070791B2Privacy display apparatusREALD SPARK LLC·Filed 2018·Granted Jul 20, 2021·54 cites·16 claims
- 0499US10802356B2Touch screen for privacy displayREALD SPARK LLC·Filed 2019·Granted Oct 13, 2020·37 cites·31 claims
- 0599US9519153B2Directional flat illuminatorsROBINSON MICHAEL G·Filed 2011·Granted Dec 13, 2016·173 cites·14 claims
- 0699US6437915B2Parallax barrier, display, passive polarization modulating optical element and method of making such an elementSHARP KK·Filed 2000·Granted Aug 20, 2002·272 cites·32 claims
- 0798US11977286B2Observer-tracked privacy displayREALD SPARK LLC·Filed 2023·Granted May 7, 2024·13 cites·51 claims
- 0898US11892717B2Marks for privacy displayREALD SPARK LLC·Filed 2022·Granted Feb 6, 2024·15 cites·11 claims
- 0998US11652195B2Illumination apparatus comprising passive optical nanostructuresREALD SPARK LLC·Filed 2020·Granted May 16, 2023·6 cites·43 claims
- 1098US11573437B2Directional display apparatusREALD SPARK LLC·Filed 2020·Granted Feb 7, 2023·16 cites·76 claims
- 1198US11442316B2Directional display apparatusREALD SPARK LLC·Filed 2021·Granted Sep 13, 2022·37 cites·36 claims
- 1298US11327358B2Optical stack for directional displayREALD SPARK LLC·Filed 2018·Granted May 10, 2022·28 cites·30 claims
- 1398US11237417B2Directional display apparatusREALD SPARK LLC·Filed 2021·Granted Feb 1, 2022·37 cites·36 claims
- 1498US11099447B2Optical stack for privacy displayREALD SPARK LLC·Filed 2020·Granted Aug 24, 2021·15 cites·30 claims
- 1598US11099433B2Switchable directional display apparatusREALD SPARK LLC·Filed 2018·Granted Aug 24, 2021·30 cites·46 claims
- 1698US11092851B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2018·Granted Aug 17, 2021·31 cites·36 claims
- 1798US11079645B2Stabilization for privacy displayREALD SPARK LLC·Filed 2019·Granted Aug 3, 2021·40 cites·11 claims
- 1898US10976578B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Apr 13, 2021·53 cites·20 claims
- 1998US10712608B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Jul 14, 2020·47 cites·30 claims
- 2098US10627670B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Apr 21, 2020·48 cites·17 claims
- 2198US10533730B2Illumination apparatusOPTOVATE LTD·Filed 2019·Granted Jan 14, 2020·26 cites·14 claims
- 2298US10303030B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2018·Granted May 28, 2019·111 cites·24 claims
- 2398US10126575B1Optical stack for privacy displayREALD SPARK LLC·Filed 2018·Granted Nov 13, 2018·121 cites·26 claims
- 2498US7058252B2Optical switching apparatusOCUITY LTD·Filed 2002·Granted Jun 6, 2006·266 cites·126 claims
- 2598US5666226AOptical apparatusSHARP KK·Filed 1994·Granted Sep 9, 1997·291 cites·43 claims
- 2697US11629847B2Illumination apparatusOPTOVATE LTD·Filed 2021·Granted Apr 18, 2023·2 cites·20 claims
- 2797US8004621B2Switchable lensAU OPTRONICS CORP·Filed 2008·Granted Aug 23, 2011·33 cites·10 claims
- 2897US7426068B2Display apparatusAU OPTRONICS CORP·Filed 2006·Granted Sep 16, 2008·39 cites·5 claims
- 2996US11187945B2Touch screen for privacy displayREALD SPARK LLC·Filed 2020·Granted Nov 30, 2021·3 cites·33 claims
- 3096US11063193B2Colour micro-LED display apparatusREALD SPARK LLC·Filed 2019·Granted Jul 13, 2021·12 cites·49 claims
- 3196US10948648B2Backlights having stacked waveguide and optical components with different coefficients of frictionREALD SPARK LLC·Filed 2018·Granted Mar 16, 2021·37 cites·20 claims
- 3296US9350980B2Crosstalk suppression in a directional backlightREALD INC·Filed 2013·Granted May 24, 2016·37 cites·25 claims
- 3396US5969850ASpatial light modulator, directional display and directional light sourceSHARP KK·Filed 1997·Granted Oct 19, 1999·285 cites·32 claims
- 3495US12253748B2Switchable privacy displayREALD SPARK LLC·Filed 2024·Granted Mar 18, 2025·2 cites·30 claims
- 3595US11681359B2Controlling light sources of a directional backlightREALD SPARK LLC·Filed 2022·Granted Jun 20, 2023·2 cites·12 claims
- 3695US9188731B2Directional backlightREALD INC·Filed 2013·Granted Nov 17, 2015·22 cites·22 claims
- 3795US7532272B2Switchable lensAU OPTRONICS CORP·Filed 2004·Granted May 12, 2009·57 cites·37 claims
- 3895US7215475B2Lens array structureOCUITY LTD·Filed 2004·Granted May 8, 2007·115 cites·12 claims
- 3995US6831624B1Time sequentially scanned displaySHARP KK·Filed 2000·Granted Dec 14, 2004·80 cites·45 claims
- 4095US6055103APassive polarisation modulating optical element and method of making such an elementSHARP KK·Filed 1998·Granted Apr 25, 2000·250 cites·23 claims
- 4195US6046849AParallax barrier, display, passive polarisation modulating optical element and method of making such an elementSHARP KK·Filed 1997·Granted Apr 4, 2000·205 cites·22 claims
- 4294US11287562B2Illumination apparatus including mask with plurality of apertures and display apparatus comprising sameREAID SPARK LLC·Filed 2021·Granted Mar 29, 2022·4 cites·23 claims
- 4394US6703989B1Stereoscopic displaySHARP KK·Filed 2000·Granted Mar 9, 2004·74 cites·36 claims
- 4493US12393066B2Privacy displaysREALD SPARK LLC·Filed 2024·Granted Aug 19, 2025·1 cites·49 claims
- 4593US11821602B2Vehicle external illumination deviceREALD SPARK LLC·Filed 2021·Granted Nov 21, 2023·4 cites·55 claims
- 4693US11073735B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2019·Granted Jul 27, 2021·3 cites·26 claims
- 4793US10955715B2Optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Mar 23, 2021·3 cites·36 claims
- 4893US9235057B2Polarization recovery in a directional display deviceREALD INC·Filed 2013·Granted Jan 12, 2016·16 cites·5 claims
- 4992US11181780B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2019·Granted Nov 23, 2021·2 cites·28 claims
- 5092US10718492B2Illumination apparatusOPTOVATE LTD·Filed 2019·Granted Jul 21, 2020·2 cites·19 claims
Showing the top 50 of 205 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →