Inventor · disambiguated record
Arpan Chakraborty
Also filed as: CHAKRABORTY ARPAN
61 granted patents·19 pending applications·808 citations·filing 2005–2025
99Inventor score
Top patents by PatentIndex Score
80 records- 0198US9484492B2LED structures for reduced non-radiative sidewall recombinationAPPLE INC·Filed 2015·Granted Nov 1, 2016·42 cites·20 claims
- 0298US7186302B2Fabrication of nonpolar indium gallium nitride thin films, heterostructures and devices by metalorganic chemical vapor depositionJAPAN SCIENCE & TECH AGENCY·Filed 2005·Granted Mar 6, 2007·87 cites·20 claims
- 0397US9865772B2LED structures for reduced non-radiative sidewall recombinationAPPLE INC·Filed 2017·Granted Jan 9, 2018·13 cites·18 claims
- 0497US9601659B2LED structures for reduced non-radiative sidewall recombinationAPPLE INC·Filed 2016·Granted Mar 21, 2017·21 cites·19 claims
- 0597US8905588B2System and method for providing color light sources in proximity to predetermined wavelength conversion structuresSORAA INC·Filed 2014·Granted Dec 9, 2014·27 cites·20 claims
- 0697US8492185B1Large area nonpolar or semipolar gallium and nitrogen containing substrate and resulting devicesD EVELYN MARK P·Filed 2012·Granted Jul 23, 2013·43 cites·20 claims
- 0797US7999283B2Encapsulant with scatterer to tailor spatial emission pattern and color uniformity in light emitting diodesCREE INC·Filed 2007·Granted Aug 16, 2011·51 cites·16 claims
- 0896US9159888B2Wafer level phosphor coating method and devices fabricated utilizing methodCHITNIS ASHAY·Filed 2007·Granted Oct 13, 2015·60 cites·58 claims
- 0996US8740413B1System and method for providing color light sources in proximity to predetermined wavelength conversion structuresKRAMES MICHAEL·Filed 2011·Granted Jun 3, 2014·45 cites·31 claims
- 1096US7846757B2Technique for the growth and fabrication of semipolar (Ga,A1,In,B)N thin films, heterostructures, and devicesUNIV CALIFORNIA·Filed 2006·Granted Dec 7, 2010·33 cites·23 claims
- 1196US7682944B2Pendeo epitaxial structures and devicesCREE INC·Filed 2007·Granted Mar 23, 2010·37 cites·34 claims
- 1295US10193013B2LED structures for reduced non-radiative sidewall recombinationAPPLE INC·Filed 2017·Granted Jan 29, 2019·10 cites·20 claims
- 1395US9287469B2Encapsulation for phosphor-converted white light emitting diodeCHAKRABORTY ARPAN·Filed 2008·Granted Mar 15, 2016·29 cites·58 claims
- 1495US9024349B2Wafer level phosphor coating method and devices fabricated utilizing methodCHITNIS ASHAY·Filed 2007·Granted May 5, 2015·64 cites·24 claims
- 1595US7723216B2In-situ defect reduction techniques for nonpolar and semipolar (Al, Ga, In)NUNIV CALIFORNIA·Filed 2007·Granted May 25, 2010·24 cites·27 claims
- 1694US8786053B2Gallium-nitride-on-handle substrate materials and devices and method of manufactureD EVELYN MARK P·Filed 2011·Granted Jul 22, 2014·16 cites·24 claims
- 1794US8232564B2Wafer level phosphor coating technique for warm light emitting diodesCHAKRABORTY ARPAN·Filed 2008·Granted Jul 31, 2012·29 cites·21 claims
- 1893US10147850B1System and method for providing color light sources in proximity to predetermined wavelength conversion structuresSORAA INC·Filed 2014·Granted Dec 4, 2018·12 cites·23 claims
- 1993US8998444B2Solid state lighting devices including light mixturesROBERTS JOHN·Filed 2009·Granted Apr 7, 2015·28 cites·28 claims
- 2093US8519437B2Polarization doping in nitride based diodesCHAKRABORTY ARPAN·Filed 2007·Granted Aug 27, 2013·23 cites·32 claims
- 2193US7504274B2Fabrication of nonpolar indium gallium nitride thin films, heterostructures and devices by metalorganic chemical vapor depositionUNIV CALIFORNIA·Filed 2007·Granted Mar 17, 2009·16 cites·12 claims
- 2288US8637883B2Low index spacer layer in LED devicesCHAKRABORTY ARPAN·Filed 2008·Granted Jan 28, 2014·13 cites·38 claims
- 2388US8481991B2Anisotropic strain control in semipolar nitride quantum wells by partially or fully relaxed aluminum indium gallium nitride layers with misfit dislocationsOHTA HIROAKI·Filed 2010·Granted Jul 9, 2013·8 cites·27 claims
- 2487US8946865B2Gallium—nitride-on-handle substrate materials and devices and method of manufactureSORAA INC·Filed 2014·Granted Feb 3, 2015·7 cites·20 claims
- 2586US9236530B2Miscut bulk substratesCHAKRABORTY ARPAN·Filed 2012·Granted Jan 12, 2016·6 cites·18 claims
- 2685US9660152B2System and method for selected pump LEDs with multiple phosphorsSORAA INC·Filed 2016·Granted May 23, 2017·3 cites·17 claims
- 2784US9293667B2System and method for selected pump LEDs with multiple phosphorsDAVID AURELIEN J F·Filed 2011·Granted Mar 22, 2016·5 cites·25 claims
- 2884US8101443B2LEDs using single crystalline phosphor and methods of fabricating sameCHAKRABORTY ARPAN·Filed 2010·Granted Jan 24, 2012·3 cites·40 claims
- 2983US11611023B2System and method for selected pump LEDs with multiple phosphorsKORRUS INC·Filed 2020·Granted Mar 21, 2023·1 cites·9 claims
- 3083US8105919B2In-situ defect reduction techniques for nonpolar and semipolar (Al, Ga, In)NCHAKRABORTY ARPAN·Filed 2010·Granted Jan 31, 2012·4 cites·23 claims
- 3183US7769066B2Laser diode and method for fabricating sameCREE INC·Filed 2006·Granted Aug 3, 2010·8 cites·45 claims
- 3280US12394998B2Nonlinear power source capability determinationJOBY AERO INC·Filed 2022·Granted Aug 19, 2025·1 cites·20 claims
- 3379US8916890B2Light emitting diodes with light filtersCHAKRABORTY ARPAN·Filed 2008·Granted Dec 23, 2014·7 cites·34 claims
- 3477US8178888B2Semiconductor light emitting devices with high color renderingCHAKRABORTY ARPAN·Filed 2008·Granted May 15, 2012·7 cites·22 claims
- 3576US10446712B2LED structures for reduced non-radiative sidewall recombinationAPPLE INC·Filed 2018·Granted Oct 15, 2019·1 cites·20 claims
- 3676US8911518B1Method and system for dicing substrates containing gallium and nitrogen material with conductive core via structuresCHAKRABORTY ARPAN·Filed 2012·Granted Dec 16, 2014·2 cites·13 claims
- 3776US8882935B2Fabrication of nonpolar indium gallium nitride thin films, heterostructures, and devices by metalorganic chemical vapor depositionCHAKRABORTY ARPAN·Filed 2013·Granted Nov 11, 2014·2 cites·23 claims
- 3875US8643024B2In-situ defect reduction techniques for nonpolar and semipolar (Al, Ga, In)NCHAKRABORTY ARPAN·Filed 2011·Granted Feb 4, 2014·2 cites·32 claims
- 3975US8502246B2Fabrication of nonpolar indium gallium nitride thin films, heterostructures and devices by metalorganic chemical vapor depositionCHAKRABORTY ARPAN·Filed 2009·Granted Aug 6, 2013·3 cites·22 claims
- 4074US12369438B2System and method for providing color light sources in proximity to predetermined wavelength conversion structuresKORRUS INC·Filed 2022·Granted Jul 22, 2025·0 cites·12 claims
- 4174US10714655B2LED structures for reduced non-radiative sidewall recombinationAPPLE INC·Filed 2019·Granted Jul 14, 2020·0 cites·22 claims
- 4274US10700244B2System and method for selected pump LEDs with multiple phosphorsSORAA INC·Filed 2017·Granted Jun 30, 2020·1 cites·20 claims
- 4373US2025176326A1System and method for providing color light sources in proximity to predetermined wavelength conversion structuresKORRUS INC·Filed 2025·Application pending·0 cites
- 4471US8686466B2Technique for the growth and fabrication of semipolar (Ga,Al,In,B)N thin films, heterostructures, and devicesFARRELL JR ROBERT M·Filed 2010·Granted Apr 1, 2014·2 cites·26 claims
- 4570US9646827B1Method for smoothing surface of a substrate containing gallium and nitrogenCHAKRABORTY ARPAN·Filed 2012·Granted May 9, 2017·2 cites·26 claims
- 4669US11114594B2Light emitting device packages using light scattering particles of different sizeCHAKRABORTY ARPAN·Filed 2007·Granted Sep 7, 2021·4 cites·29 claims
- 4769US8263500B2Photoelectrochemical etching for laser facetsTAMBOLI ADELE C·Filed 2010·Granted Sep 11, 2012·3 cites·22 claims
- 4868US9159553B2Semipolar or nonpolar nitride-based devices on partially or fully relaxed alloys with misfit dislocations at the heterointerfaceOHTA HIROAKI·Filed 2010·Granted Oct 13, 2015·2 cites·21 claims
- 4962US10529892B2Technique for the growth and fabrication of semipolar (Ga,Al,In,B)N thin films, heterostructures, and devicesUNIV CALIFORNIA·Filed 2017·Granted Jan 7, 2020·0 cites·20 claims
- 5062US9076711B2Interdigitated multiple pixel arrays of light-emitting devicesUNIV CALIFORNIA·Filed 2014·Granted Jul 7, 2015·0 cites·12 claims
Showing the top 50 of 80 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →