Inventor · disambiguated record
Sang H. Choi
Also filed as: CHOI SANG H · CHOI SANG HYOUK · CHOI SR SANG H
63 granted patents·8 pending applications·271 citations·filing 2005–2025
98Inventor score
Top patents by PatentIndex Score
71 records- 0196US7558371B2Method of generating X-ray diffraction data for integral detection of twin defects in super-hetero-epitaxial materialsNASA·Filed 2008·Granted Jul 7, 2009·25 cites·45 claims
- 0292US10269463B2Nuclear thermionic avalanche cells with thermoelectric (NTAC-TE) generator in tandem modeUS ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION·Filed 2016·Granted Apr 23, 2019·14 cites·20 claims
- 0392US8257491B2Rhombohedral cubic semiconductor materials on trigonal substrate with single crystal properties and devices based on such materialsPARK YEONJOON·Filed 2008·Granted Sep 4, 2012·13 cites·19 claims
- 0492US8226767B2Hybrid bandgap engineering for super-hetero-epitaxial semiconductor materials, and products thereofPARK YEONJOON·Filed 2008·Granted Jul 24, 2012·14 cites·3 claims
- 0592US8044294B2Thermoelectric materials and devicesNASA·Filed 2008·Granted Oct 25, 2011·21 cites·24 claims
- 0691US11721451B2Thermionic power cellNASA·Filed 2021·Granted Aug 8, 2023·2 cites·9 claims
- 0791US11646679B2High performance electric generators boosted by nuclear electron avalanche (NEA)NASA·Filed 2021·Granted May 9, 2023·2 cites·9 claims
- 0891US10985676B2High performance electric generators boosted by nuclear electron avalanche (NEA)NASA·Filed 2019·Granted Apr 20, 2021·7 cites·16 claims
- 0991US7906358B2Epitaxial growth of cubic crystalline semiconductor alloys on basal plane of trigonal or hexagonal crystalNASA·Filed 2008·Granted Mar 15, 2011·12 cites·5 claims
- 1089US7769135B2X-ray diffraction wafer mapping method for rhombohedral super-hetero-epitaxyNASA·Filed 2008·Granted Aug 3, 2010·10 cites·9 claims
- 1187US7341883B2Silicon germanium semiconductive alloy and method of fabricating sameNASA·Filed 2005·Granted Mar 11, 2008·12 cites·22 claims
- 1286US12252780B2Growth method of highly twinned SiGe alloy on the basal plane of trigonal substrate under electron beam irradiationNASA·Filed 2023·Granted Mar 18, 2025·0 cites·18 claims
- 1385US9634750B2Beamforming method and apparatus for serving multiple usersSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Apr 25, 2017·8 cites·15 claims
- 1484US8083986B2Fabrication of advanced thermoelectric materials by hierarchical nanovoid generationCHOI SANG HYOUK·Filed 2008·Granted Dec 27, 2011·6 cites·5 claims
- 1583US8498717B2Neural electronic interface device for motor and sensory controls of human bodyLEE UHN·Filed 2008·Granted Jul 30, 2013·50 cites·16 claims
- 1682US11979100B2High performance electric generators boosted by nuclear electron avalanche (NEA)NASA·Filed 2023·Granted May 7, 2024·0 cites·8 claims
- 1781US9835570B2X-ray diffraction (XRD) characterization methods for sigma=3 twin defects in cubic semiconductor (100) wafersNASA·Filed 2014·Granted Dec 5, 2017·4 cites·18 claims
- 1881US8174695B2Arrayed micro-ring spectrometer system and method of useCHOI SANG H·Filed 2009·Granted May 8, 2012·10 cites·14 claims
- 1980US9455374B2Integrated multi-color light emitting device made with hybrid crystal structureNASA·Filed 2014·Granted Sep 27, 2016·2 cites·11 claims
- 2078US11037687B2Co-60 breeding reactor tandem with thermionic avalanche cellNASA·Filed 2019·Granted Jun 15, 2021·3 cites·17 claims
- 2178US11004666B2Portable miniaturized thermionic power cell with multiple regenerative layersNASA·Filed 2019·Granted May 11, 2021·2 cites·17 claims
- 2278US10256305B2High mobility transport layer structures for rhombohedral Si/Ge/SiGe devicesNASA·Filed 2017·Granted Apr 9, 2019·2 cites·15 claims
- 2378US10096472B2Single crystal rhombohedral epitaxy of SiGe on sapphire at 450° C.-500° C. substrate temperaturesNASA·Filed 2016·Granted Oct 9, 2018·2 cites·20 claims
- 2478US9711680B2Integrated multi-color light emitting device made with hybrid crystal structureNASA·Filed 2016·Granted Jul 18, 2017·2 cites·9 claims
- 2576US2025215552A1Growth Method of Highly Twinned SiGe Alloy on the Basal Plane of Trigonal Substrate Under Electron Beam IrradiationNASA·Filed 2025·Application pending·0 cites
- 2675US8217143B2Fabrication of metal nanoshellsKIM JAE-WOO·Filed 2007·Granted Jul 10, 2012·4 cites·6 claims
- 2773US8018815B2Micro-Fresnel zone plate optical devices using densely accumulated ray pointsNASA·Filed 2009·Granted Sep 13, 2011·2 cites·8 claims
- 2873US7514726B2Graded index silicon geranium on lattice matched silicon geranium semiconductor alloyUS AMINISTRATOR OF THE NAT AER·Filed 2006·Granted Apr 7, 2009·6 cites·24 claims
- 2971US10886452B2Selective and direct deposition technique for streamlined CMOS processingNASA·Filed 2018·Granted Jan 5, 2021·0 cites·19 claims
- 3071US8982355B2Smart optical material characterization system and methodCHOI SANG HYOUK·Filed 2010·Granted Mar 17, 2015·2 cites·20 claims
- 3169US9046418B1Linear Fresnel spectrometer chip with gradient line gratingNASA·Filed 2013·Granted Jun 2, 2015·2 cites·20 claims
- 3268US11885040B2Single crystal epitaxial layer having a rhombohedral latticeNASA·Filed 2020·Granted Jan 30, 2024·0 cites·16 claims
- 3367US9449818B2Double sided Si(Ge)/Sapphire/III-nitride hybrid structureNASA·Filed 2014·Granted Sep 20, 2016·1 cites·14 claims
- 3466US10389023B2Method and device for transmitting and receiving signal by using multiple beams in wireless communication systemSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Aug 20, 2019·2 cites·14 claims
- 3565US11980100B2Metallic junction thermoelectric generatorNASA·Filed 2021·Granted May 7, 2024·0 cites·10 claims
- 3664US11670432B2Multi-layered radio-isotope for enhanced photoelectron avalanche processNASA·Filed 2022·Granted Jun 6, 2023·0 cites·7 claims
- 3764US8691612B2Method of creating micro-scale silver telluride grains covered with bismuth nanoparticlesKIM HYUN-JUNG·Filed 2012·Granted Apr 8, 2014·1 cites·20 claims
- 3864US8020805B2High altitude airship configuration and power technology and method for operation of sameNASA·Filed 2007·Granted Sep 20, 2011·12 cites·12 claims
- 3962US8294989B2Apparatus and method for creating a photonic densely-accumulated ray-pointPARK YEONJOON·Filed 2009·Granted Oct 23, 2012·1 cites·19 claims
- 4062US7379231B2Ferroelectric Light Control DeviceNASA·Filed 2006·Granted May 27, 2008·1 cites·13 claims
- 4161US12122539B2NTAC augmented nuclear electric propulsion and/or nuclear thermal propulsionNASA·Filed 2021·Granted Oct 22, 2024·0 cites·6 claims
- 4261US11581468B2Selective and direct deposition technique for streamlined CMOS processingNASA·Filed 2021·Granted Feb 14, 2023·0 cites·14 claims
- 4360US8412344B2Deep brain stimulation device having wireless power feeding by magnetic inductionLEE UHN·Filed 2008·Granted Apr 2, 2013·5 cites·5 claims
- 4459US8094306B2Micro ring grating spectrometer with adjustable aperturePARK YEONJOON·Filed 2009·Granted Jan 10, 2012·2 cites·17 claims
- 4559US8089677B2Dynamic optical grating device and associated method for modulating lightPARK YEONJOON·Filed 2008·Granted Jan 3, 2012·1 cites·9 claims
- 4658US11094425B2Thermionic power cellNASA·Filed 2018·Granted Aug 17, 2021·0 cites·19 claims
- 4758US8504166B2Deep brain stimulation device having wireless power transmission mechanismLEE UHN·Filed 2008·Granted Aug 6, 2013·3 cites·9 claims
- 4856US9824885B2Method of fabricating double sided Si(Ge)/Sapphire/III-nitride hybrid structureNASA·Filed 2016·Granted Nov 21, 2017·0 cites·7 claims
- 4955US10858754B2Rhombohedron epitaxial growth with molten target sputteringNASA·Filed 2016·Granted Dec 8, 2020·0 cites·11 claims
- 5054US11257604B2Multi-layered radio-isotope for enhanced photoelectron avalanche processNASA·Filed 2019·Granted Feb 22, 2022·0 cites·11 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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