Inventor · disambiguated record
Hisashi Masui
Also filed as: MASUI HISASHI
39 granted patents·17 pending applications·275 citations·filing 1987–2025
96Inventor score
Top patents by PatentIndex Score
56 records- 0195US7994527B2High light extraction efficiency light emitting diode (LED)UNIV CALIFORNIA·Filed 2006·Granted Aug 9, 2011·46 cites·20 claims
- 0294US10128419B1Method of manufacturing a light emitting deviceLUMILEDS LLC·Filed 2017·Granted Nov 13, 2018·7 cites·20 claims
- 0393US4818911AStator of electric motorASMO CO LTD·Filed 1987·Granted Apr 4, 1989·140 cites·22 claims
- 0492US12019017B2Gas sensing with porous scattering materialLUMILEDS LLC·Filed 2020·Granted Jun 25, 2024·2 cites·17 claims
- 0592US7518159B2Packaging technique for the fabrication of polarized light emitting diodesUNIV CALIFORNIA·Filed 2006·Granted Apr 14, 2009·20 cites·19 claims
- 0690US11486562B2Controlling off-state appearance of a light emitting deviceLUMILEDS LLC·Filed 2020·Granted Nov 1, 2022·2 cites·20 claims
- 0786US11127887B2Semiconductor light emitting device with reflective side coatingLUMILEDS LLC·Filed 2016·Granted Sep 21, 2021·2 cites·20 claims
- 0883US11621292B2Ultra-smooth sidewall pixelated array LEDsLUMILEDS LLC·Filed 2021·Granted Apr 4, 2023·1 cites·20 claims
- 0981US11994285B2Controlling off-state appearance of a light emitting deviceLUMILEDS LLC·Filed 2022·Granted May 28, 2024·0 cites·18 claims
- 1080US8044417B2Enhancement of optical polarization of nitride light-emitting diodes by increased indium incorporationUNIV CALIFORNIA·Filed 2009·Granted Oct 25, 2011·6 cites·20 claims
- 1178US12507520B2Ultra-smooth sidewall pixelated array LEDsLUMILEDS LLC·Filed 2023·Granted Dec 23, 2025·0 cites·19 claims
- 1277US11063191B2Forming a multicolor phosphor-converted LED arrayLUMILEDS LLC·Filed 2019·Granted Jul 13, 2021·2 cites·18 claims
- 1377US2022359799A1Monolithic led array structureLUMILEDS LLC·Filed 2022·Application pending·0 cites
- 1475US7723746B2Packaging technique for the fabrication of polarized light emitting diodesUNIV CALIFORNIA·Filed 2008·Granted May 25, 2010·5 cites·14 claims
- 1572US11054112B2Ceramic phosphor with lateral light barriersLumields LLC·Filed 2018·Granted Jul 6, 2021·2 cites·14 claims
- 1672US10886703B1LED DBR structure with reduced photodegradationLUMILEDS LLC·Filed 2019·Granted Jan 5, 2021·1 cites·16 claims
- 1772US8278128B2Enhancement of optical polarization of nitride light-emitting diodes by wafer off-axis cutMASUI HISASHI·Filed 2009·Granted Oct 2, 2012·6 cites·26 claims
- 1871US11411147B2Monolithic LED array structureLUMILEDS LLC·Filed 2020·Granted Aug 9, 2022·0 cites·18 claims
- 1971US10910433B2Pixelated LED array with optical elementsLUMILEDS HOLDING BV·Filed 2019·Granted Feb 2, 2021·1 cites·19 claims
- 2070US11740179B2Gas sensing system having quadric reflective surfaceLUMILEDS LLC·Filed 2020·Granted Aug 29, 2023·0 cites·16 claims
- 2170US6320293B1Electric motor having brushes and commutator of armatureASMO CO LTD·Filed 2000·Granted Nov 20, 2001·19 cites·12 claims
- 2269US11749787B2Forming a multicolor phosphor-converted LED arrayLUMILEDS LLC·Filed 2022·Granted Sep 5, 2023·0 cites·18 claims
- 2369US7839903B2Optimization of laser bar orientation for nonpolar and semipolar (Ga,Al,In,B)N diode lasersUNIV CALIFORNIA·Filed 2008·Granted Nov 23, 2010·2 cites·24 claims
- 2468US12158418B2Gas sensors using non-dispersive infrared materialsLUMILEDS LLC·Filed 2022·Granted Dec 3, 2024·0 cites·20 claims
- 2567US2024142364A1Led sensor moduleLUMILEDS LLC·Filed 2024·Application pending·0 cites
- 2666US11901702B2LED DBR structure with reduced photodegradationLUMILEDS LLC·Filed 2020·Granted Feb 13, 2024·0 cites·20 claims
- 2766US11749786B2Multicolor phosphor-converted LED arrayLUMILEDS LLC·Filed 2022·Granted Sep 5, 2023·0 cites·20 claims
- 2866US11480315B2Phosphor with light barriersLUMILEDS LLC·Filed 2021·Granted Oct 25, 2022·0 cites·20 claims
- 2965US10854795B2Method of manufacturing a light emitting deviceLUMILEDS LLC·Filed 2019·Granted Dec 1, 2020·0 cites·13 claims
- 3065US2025320632A1Substrate-fusion techniqueLUMILEDS LLC·Filed 2023·Application pending·0 cites
- 3164US2025284121A1Visible light source having a low-density set of light-emitting elements and backside optical attenuatorLUMILEDS LLC·Filed 2025·Application pending·0 cites
- 3263US10411171B2Method of manufacturing a light emitting deviceLUMILEDS LLC·Filed 2018·Granted Sep 10, 2019·0 cites·9 claims
- 3362US10797206B2Controlling off-state appearance of a light emitting deviceLUMILEDS LLC·Filed 2016·Granted Oct 6, 2020·0 cites·12 claims
- 3462US2025338685A1High efficacy polychromic light-emitting diode (led)LUMILEDS LLC·Filed 2024·Application pending·0 cites
- 3561US11973069B2Fabrication of LED arrays and LED array light enginesLUMILEDS LLC·Filed 2022·Granted Apr 30, 2024·0 cites·20 claims
- 3661US10854794B2Monolithic LED array structureLUMILEDS LLC·Filed 2018·Granted Dec 1, 2020·0 cites·10 claims
- 3761US6664700B2Brush holding device capable of reducing noiseASMO CO LTD·Filed 2001·Granted Dec 16, 2003·11 cites·26 claims
- 3861US2023168190A1Gas sensors using non-dispersive infrared (ndir) materialsLUMILEDS LLC·Filed 2022·Application pending·0 cites
- 3961US2025347913A1Magnified optical display assemblyLUMILEDS LLC·Filed 2024·Application pending·0 cites
- 4060US12209957B2Multi-gas sensors using non-dispersive infrared materialsLUMILEDS LLC·Filed 2022·Granted Jan 28, 2025·0 cites·20 claims
- 4160US10903266B2Ultra-smooth sidewall pixelated array LEDsLUMILEDS LLC·Filed 2019·Granted Jan 26, 2021·0 cites·20 claims
- 4259US12027567B2Pixelated LED array with optical elementsLUMILEDS LLC·Filed 2020·Granted Jul 2, 2024·0 cites·15 claims
- 4358US9951912B2Tunable white light based on polarization sensitive light-emitting diodesUNIV CALIFORNIA·Filed 2014·Granted Apr 24, 2018·0 cites·13 claims
- 4458US2025167181A1Selection of the fourth pixel color in full-color display devicesLUMILEDS LLC·Filed 2023·Application pending·0 cites
- 4557US11725802B2Phosphor with light barriersLUMILEDS LLC·Filed 2022·Granted Aug 15, 2023·0 cites·20 claims
- 4657US2025271116A1Microled and microlens assemblyLUMILEDS LLC·Filed 2025·Application pending·0 cites
- 4756US2025056940A1Phosphor Converted LEDS With Improved Light Uniformity Including Discrete Light-Scattering LayersLUMILEDS LLC·Filed 2022·Application pending·0 cites
- 4853US2010032695A1Tunable white light based on polarization sensitive light-emitting diodesUNIV CALIFORNIA·Filed 2009·Application pending·0 cites
- 4951US11217734B2Patterned lumiramic for improved PCLED stabilityLUMILEDS LLC·Filed 2019·Granted Jan 4, 2022·0 cites·11 claims
- 5051US2024385225A1Optical step-up transformerLUMILEDS LLC·Filed 2022·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →