Inventor · disambiguated record
Robert A. Ramsey
Also filed as: RAMSEY ROBERT · RAMSEY ROBERT A
54 granted patents·10 pending applications·721 citations·filing 2004–2024
98Inventor score
Top patents by PatentIndex Score
64 records- 0198US11977286B2Observer-tracked privacy displayREALD SPARK LLC·Filed 2023·Granted May 7, 2024·13 cites·51 claims
- 0298US11892717B2Marks for privacy displayREALD SPARK LLC·Filed 2022·Granted Feb 6, 2024·15 cites·11 claims
- 0398US11573437B2Directional display apparatusREALD SPARK LLC·Filed 2020·Granted Feb 7, 2023·16 cites·76 claims
- 0498US11442316B2Directional display apparatusREALD SPARK LLC·Filed 2021·Granted Sep 13, 2022·37 cites·36 claims
- 0598US11327358B2Optical stack for directional displayREALD SPARK LLC·Filed 2018·Granted May 10, 2022·28 cites·30 claims
- 0698US11237417B2Directional display apparatusREALD SPARK LLC·Filed 2021·Granted Feb 1, 2022·37 cites·36 claims
- 0798US11099447B2Optical stack for privacy displayREALD SPARK LLC·Filed 2020·Granted Aug 24, 2021·15 cites·30 claims
- 0898US11099433B2Switchable directional display apparatusREALD SPARK LLC·Filed 2018·Granted Aug 24, 2021·30 cites·46 claims
- 0998US11092851B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2018·Granted Aug 17, 2021·31 cites·36 claims
- 1098US11079645B2Stabilization for privacy displayREALD SPARK LLC·Filed 2019·Granted Aug 3, 2021·40 cites·11 claims
- 1198US10976578B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Apr 13, 2021·53 cites·20 claims
- 1298US10712608B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Jul 14, 2020·47 cites·30 claims
- 1398US10627670B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2019·Granted Apr 21, 2020·48 cites·17 claims
- 1498US10303030B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2018·Granted May 28, 2019·111 cites·24 claims
- 1598US10126575B1Optical stack for privacy displayREALD SPARK LLC·Filed 2018·Granted Nov 13, 2018·121 cites·26 claims
- 1696US10948648B2Backlights having stacked waveguide and optical components with different coefficients of frictionREALD SPARK LLC·Filed 2018·Granted Mar 16, 2021·37 cites·20 claims
- 1795US12253748B2Switchable privacy displayREALD SPARK LLC·Filed 2024·Granted Mar 18, 2025·2 cites·30 claims
- 1892US11181780B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2019·Granted Nov 23, 2021·2 cites·28 claims
- 1991US11016318B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2018·Granted May 25, 2021·3 cites·22 claims
- 2091US10788710B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2019·Granted Sep 29, 2020·2 cites·27 claims
- 2188US12140847B2Display apparatus using application software context for privacy controlREALD SPARK LLC·Filed 2021·Granted Nov 12, 2024·1 cites·14 claims
- 2288US11115647B2Privacy display apparatusREALD SPARK LLC·Filed 2018·Granted Sep 7, 2021·2 cites·41 claims
- 2388US11109014B2Privacy display apparatusREALD SPARK LLC·Filed 2018·Granted Aug 31, 2021·2 cites·20 claims
- 2487US11630336B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2021·Granted Apr 18, 2023·1 cites·27 claims
- 2587US2025035985A1Optical stack for switchable directional displayREALD SPARK LLC·Filed 2024·Application pending·0 cites
- 2686US11474396B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2020·Granted Oct 18, 2022·1 cites·30 claims
- 2786US11474397B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2020·Granted Oct 18, 2022·1 cites·30 claims
- 2885US2025004310A1Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2024·Application pending·0 cites
- 2983US11506939B2Directional display apparatusREALD SPARK LLC·Filed 2021·Granted Nov 22, 2022·1 cites·17 claims
- 3082US12259608B2Observer-tracked privacy displayREALD SPARK LLC·Filed 2024·Granted Mar 25, 2025·0 cites·40 claims
- 3182US12066717B2Optical stack for switchable directional displayREALD SPARK LLC·Filed 2022·Granted Aug 20, 2024·0 cites·18 claims
- 3282US12038633B2Reflective optical stack for privacy displayREALD SPARK LLC·Filed 2023·Granted Jul 16, 2024·0 cites·28 claims
- 3382US2025284166A1Privacy display control apparatusREALD SPARK LLC·Filed 2024·Application pending·0 cites
- 3482US2025284152A1Observer-tracked privacy displayREALD SPARK LLC·Filed 2024·Application pending·0 cites
- 3581US11029566B2Diffuser for privacy displayREALD SPARK LLC·Filed 2020·Granted Jun 8, 2021·1 cites·7 claims
- 3681US10408992B2Segmented imaging directional backlightsREALD SPARK LLC·Filed 2018·Granted Sep 10, 2019·3 cites·45 claims
- 3780US11191146B2Control of ambient light for a privacy displayREALD SPARK LLC·Filed 2020·Granted Nov 30, 2021·1 cites·32 claims
- 3879US10228505B2Wide angle imaging directional backlightsREALD INC·Filed 2016·Granted Mar 12, 2019·3 cites·36 claims
- 3978US2024319526A1Marks for privacy displayREALD SPARK LLC·Filed 2024·Application pending·0 cites
- 4077US12366701B2Optical stack for imaging directional backlightsREALD SPARK LLC·Filed 2023·Granted Jul 22, 2025·0 cites·19 claims
- 4176US11874541B2Directional display apparatusREALD SPARK LLC·Filed 2023·Granted Jan 16, 2024·0 cites·22 claims
- 4274US11809052B2Stabilization for privacy displayREALD SPARK LLC·Filed 2021·Granted Nov 7, 2023·0 cites·17 claims
- 4374US11106103B2Privacy display apparatus controlled in response to environment of apparatusREALD SPARK LLC·Filed 2019·Granted Aug 31, 2021·0 cites·20 claims
- 4473US11586073B2Diffuser for privacy displayREALD SPARK LLC·Filed 2022·Granted Feb 21, 2023·0 cites·8 claims
- 4573US11431960B2Privacy display apparatusREALD SPARK LLC·Filed 2021·Granted Aug 30, 2022·0 cites·21 claims
- 4672US11921367B2Marks for privacy displayREALD SPARK LLC·Filed 2022·Granted Mar 5, 2024·0 cites·20 claims
- 4772US11573439B2Optical stack for privacy displayREALD SPARK LLC·Filed 2022·Granted Feb 7, 2023·0 cites·33 claims
- 4872US9237337B2Autostereoscopic display with a passive cycloidal diffractive waveplateRAMSEY ROBERT A·Filed 2012·Granted Jan 12, 2016·3 cites·35 claims
- 4971US11287677B2Optical stack for privacy displayREAID SPARK LLC·Filed 2019·Granted Mar 29, 2022·0 cites·31 claims
- 5070US11243437B2Diffuser for privacy displayREALD SPARK LLC·Filed 2021·Granted Feb 8, 2022·0 cites·15 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →