Inventor · disambiguated record
P. Selvan Viswanathan
Also filed as: VISWANATHAN P S · VISWANATHAN P SELVAN
28 granted patents·4 pending applications·78 citations·filing 2009–2018
95Inventor score
Top patents by PatentIndex Score
32 records- 0194US9766060B1Devices and methods for adjustable resolution depth mappingMICROVISION INC·Filed 2016·Granted Sep 19, 2017·15 cites·12 claims
- 0291US10503265B2Mixed-mode depth detectionMICROVISION INC·Filed 2015·Granted Dec 10, 2019·9 cites·21 claims
- 0390US9921056B2Devices and methods for adjustable resolution depth mappingMICROVISION INC·Filed 2017·Granted Mar 20, 2018·9 cites·20 claims
- 0485US10474248B2Smart pulsing in regions of interest in scanned beam 3D sensing systemsMICROVISION INC·Filed 2018·Granted Nov 12, 2019·4 cites·18 claims
- 0583US9880267B2Hybrid data acquisition in scanned beam displayMICROVISION INC·Filed 2015·Granted Jan 30, 2018·6 cites·14 claims
- 0683US9596440B2Scanning laser planarity detectionMICROVISION INC·Filed 2014·Granted Mar 14, 2017·4 cites·26 claims
- 0781US11137498B2Scanning rangefinding system with variable field of viewMICROVISION INC·Filed 2018·Granted Oct 5, 2021·4 cites·19 claims
- 0881US9300930B2Multi-segment brightness compensationMICROVISION INC·Filed 2014·Granted Mar 29, 2016·5 cites·14 claims
- 0979US8870381B2Mixed polarization imaging system for three-dimensional projection and corresponding methodsFREEMAN MARK O·Filed 2011·Granted Oct 28, 2014·5 cites·20 claims
- 1076US10671219B2Scanning time of flight 3D sensing with smart pulsingMICROVISION INC·Filed 2018·Granted Jun 2, 2020·2 cites·19 claims
- 1175US10009585B2MEMS scan controlled keystone and distortion correctionMICROVISION INC·Filed 2016·Granted Jun 26, 2018·2 cites·16 claims
- 1271US10218951B2MEMS scan controlled keystone and distortion correctionMICROVISION INC·Filed 2018·Granted Feb 26, 2019·1 cites·23 claims
- 1370US9533298B2Sulphur reduction catalyst additive composition in fluid catalytic cracking and method of preparation thereofBHARAT PETROLEUM CORP LTD·Filed 2012·Granted Jan 3, 2017·2 cites·14 claims
- 1468US10061441B2Touch interactivity with occlusions in returned illumination dataMICROVISION INC·Filed 2016·Granted Aug 28, 2018·2 cites·26 claims
- 1567US9002058B2Scanned image projection system with gesture control inputVISWANATHAN P SELVAN·Filed 2011·Granted Apr 7, 2015·3 cites·20 claims
- 1666US10481739B2Optical steering of component wavelengths of a multi-wavelength beam to enable interactivityMICROVISION INC·Filed 2016·Granted Nov 19, 2019·1 cites·19 claims
- 1764US8730210B2Multipoint source detection in a scanned beam displayVISWANATHAN P SELVAN·Filed 2011·Granted May 20, 2014·2 cites·18 claims
- 1863US10145680B2Devices and methods for providing depth mapping with scanning laser image projectionMICROVISION INC·Filed 2016·Granted Dec 4, 2018·1 cites·22 claims
- 1960US9762873B2Dynamic constancy of brightness or size of projected content in a scanning display systemMICROVISION INC·Filed 2015·Granted Sep 12, 2017·1 cites·16 claims
- 2052US11579427B2Method and apparatus for filtering and filtered light detectionMICROVISION INC·Filed 2018·Granted Feb 14, 2023·0 cites·11 claims
- 2152US8955982B2Virtual segmentation of interactive scanning laser projector displayMICROVISION INC·Filed 2012·Granted Feb 17, 2015·0 cites·22 claims
- 2252US2009219262A1Active Input Device for a Scanned Beam DisplayMICROVISION INC·Filed 2009·Application pending·0 cites
- 2349US11002855B2Occlusion-based height estimationMICROVISION INC·Filed 2016·Granted May 11, 2021·0 cites·20 claims
- 2449US10831019B2Angular velocity correction of a scanning light beam by optical methodsMICROVISION INC·Filed 2018·Granted Nov 10, 2020·0 cites·15 claims
- 2548US10871569B2Scanning 3D imaging device with power control using multiple wavelengthsMICROVISION INC·Filed 2018·Granted Dec 22, 2020·0 cites·11 claims
- 2646US11163042B2Scanned beam display with multiple detector rangefindingMICROVISION INC·Filed 2017·Granted Nov 2, 2021·0 cites·20 claims
- 2746US10859704B2Time division multiplexing of multiple wavelengths for high resolution scanning time of flight 3D imagingMICROVISION INC·Filed 2018·Granted Dec 8, 2020·0 cites·19 claims
- 2845US10761188B2Transmitter/receiver disparity for occlusion-based height estimationMICROVISION INC·Filed 2016·Granted Sep 1, 2020·0 cites·19 claims
- 2943US2014232699A1Interactive Projection System with Actuated StylusMICROVISION INC·Filed 2013·Application pending·0 cites
- 3043US2014118704A1Mobile Device, Case and Attachment with Retractable OpticMICROVISION INC·Filed 2012·Application pending·0 cites
- 3141US10200683B2Devices and methods for providing foveated scanning laser image projection with depth mappingMICROVISION INC·Filed 2016·Granted Feb 5, 2019·0 cites·25 claims
- 3236US2017069255A1Virtual Touch Overlay On Touchscreen for Control of Secondary DisplayMICROVISION INC·Filed 2015·Application pending·0 cites
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