Inventor · disambiguated record
Joseph Ma
Also filed as: MA JOSEPH · MA JOSEPH J K
15 granted patents·5 pending applications·37 citations·filing 2007–2024
89Inventor score
Files withCHRISTIE DIGITAL SYSTEMS USA9MA JOSEPH J K7CHRISTIE DIGITAL SYS CA INC1CHRISTIE DIGITAL SYS INC1CHRISTIE DIGITAL SYSTEMS USA I1
Top patents by PatentIndex Score
20 records- 0191US9983402B1Forward-on-forward high dynamic range architecture for digital micromirror devicesCHRISTIE DIGITAL SYSTEMS USA·Filed 2017·Granted May 29, 2018·8 cites·16 claims
- 0288US10973625B2Ocular systems, devices, and methodsMA JOSEPH J K·Filed 2020·Granted Apr 13, 2021·2 cites·5 claims
- 0387US7252393B1Triangular prism dual lamp couplerCHRISTIE DIGITAL SYS INC·Filed 2007·Granted Aug 7, 2007·12 cites·8 claims
- 0485US12023239B2Ocular systems, devices, and methodsMA JOSEPH J K·Filed 2021·Granted Jul 2, 2024·1 cites·29 claims
- 0577US8545029B2Hybrid high pressure mercury arc lamp-laser light production systemMA JOSEPH·Filed 2011·Granted Oct 1, 2013·5 cites·18 claims
- 0677US2024350257A1Ocular systems, devices, and methodsMA JOSEPH J K·Filed 2024·Application pending·0 cites
- 0776US10215367B2Apparatus for wavelength conversionCHRISTIE DIGITAL SYSTEMS USA·Filed 2016·Granted Feb 26, 2019·2 cites·20 claims
- 0871US11213383B2Ocular systems, devices, and methodsMA JOSEPH J K·Filed 2021·Granted Jan 4, 2022·0 cites·9 claims
- 0971US11160650B2Ocular systems, devices, and methodsMA JOSEPH J K·Filed 2021·Granted Nov 2, 2021·0 cites·20 claims
- 1070US2021286201A1Optical devices, systems, and methodsMA JOSEPH J K·Filed 2021·Application pending·0 cites
- 1165US10481408B2Apparatus for reducing coherence of a laser beamCHRISTIE DIGITAL SYSTEMS USA·Filed 2016·Granted Nov 19, 2019·1 cites·13 claims
- 1265US9389492B2Rotationally static light emitting material with rotating opticsCHRISTIE DIGITAL SYSTEMS USA·Filed 2014·Granted Jul 12, 2016·1 cites·19 claims
- 1363US10924705B1Serrated prism exit aperture for managing projection flare artifactsCHRISTIE DIGITAL SYSTEMS USA·Filed 2019·Granted Feb 16, 2021·0 cites·3 claims
- 1462US8011810B2Light integrator for more than one lampCHRISTIE DIGITAL SYSTEMS USA·Filed 2008·Granted Sep 6, 2011·3 cites·19 claims
- 1555US7712924B2Optical device for adjusting the F-number of an elliptical lampCHRISTIE DIGITAL SYSTEMS USA I·Filed 2007·Granted May 11, 2010·2 cites·21 claims
- 1655US2022355233A1Pathogen surveillance systems and corresponding methodsMA JOSEPH J K·Filed 2021·Application pending·0 cites
- 1754US2018128452A1Apparatus for wavelength conversionCHRISTIE DIGITAL SYSTEMS USA·Filed 2017·Application pending·0 cites
- 1841US9494849B2Rotationally static light emitting material with rotating opticsCHRISTIE DIGITAL SYSTEMS USA·Filed 2015·Granted Nov 15, 2016·0 cites·15 claims
- 1941US2009002998A1Reflective irisCHRISTIE DIGITAL SYS CA INC·Filed 2007·Application pending·0 cites
- 2035US9810891B2Dual light source enhanced integration systemCHRISTIE DIGITAL SYSTEMS USA·Filed 2015·Granted Nov 7, 2017·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →