Inventor
Sang Hyouk Choi
Inventor
Poquoson, VA, US
Overview
Patents· 44 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
H01LSemiconductor devices9%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
H10DInorganic electric semiconductor devices4%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation4%
H10NElectric solid-state devices not otherwise provided for4%
C30BSingle-crystal growth4%
G02BOptical elements, systems or apparatus4%
PatentTitleYear
10,858,754Rhombohedron epitaxial growth with molten target sputtering202010,651,034Thermal absorption coating on sapphire for epitaxial process202010,389,023Method and device for transmitting and receiving signal by using multiple beams in wireless communication system201910,269,463Nuclear thermionic avalanche cells with thermoelectric (NTAC-TE) generator in tandem mode201910,256,305High mobility transport layer structures for rhombohedral Si/Ge/SiGe devices201910,096,472Single crystal rhombohedral epitaxy of SiGe on sapphire at 450deg C.-500deg C. substrate temperatures20189,835,570X-ray diffraction (XRD) characterization methods for sigma=3 twin defects in cubic semiconductor (100) wafers20179,824,885'Method of fabricating double sided Si(Ge)/Sapphire/III-nitride hybrid structure'20179,711,680'Integrated multi-color light emitting device made with hybrid crystal structure'20179,634,750'Beamforming method and apparatus for serving multiple users'20179,614,026'High mobility transport layer structures for rhombohedral Si/Ge/SiGe devices'20179,455,374'Integrated multi-color light emitting device made with hybrid crystal structure'20169,446,953'Fabrication of metallic hollow nanoparticles'20169,449,818'Double sided Si(Ge)/Sapphire/III-nitride hybrid structure'20169,046,418'Linear Fresnel spectrometer chip with gradient line grating'20158,982,355'Smart optical material characterization system and method'20158,913,124'Lock-in imaging system for detecting disturbances in fluid'20148,909,491'Multi-point interferometric phase change detection method'20148,691,612'Method of creating micro-scale silver telluride grains covered with bismuth nanoparticles'20148,529,825'Fabrication of nanovoid-imbedded bismuth telluride with low dimensional system'20138,504,166'Deep brain stimulation device having wireless power transmission mechanism'20138,498,717'Neural electronic interface device for motor and sensory controls of human body'20138,412,344'Deep brain stimulation device having wireless power feeding by magnetic induction'20138,294,989'Apparatus and method for creating a photonic densely-accumulated ray-point'20128,257,491'Rhombohedral cubic semiconductor materials on trigonal substrate with single crystal properties and devices based on such materials'20128,226,767'Hybrid bandgap engineering for super-hetero-epitaxial semiconductor materials, and products thereof'20128,217,143'Fabrication of metal nanoshells'20128,174,695'Arrayed micro-ring spectrometer system and method of use'20128,094,306'Micro ring grating spectrometer with adjustable aperture'20128,089,677'Dynamic optical grating device and associated method for modulating light'20128,083,986'Fabrication of advanced thermoelectric materials by hierarchical nanovoid generation'20118,059,273'Micro spectrometer for parallel light and method of use'20118,044,294'Thermoelectric materials and devices'20118,020,805'High altitude airship configuration and power technology and method for operation of same'20118,018,815'Micro-Fresnel zone plate optical devices using densely accumulated ray points'20117,998,368'Aqueous solution dispersement of carbon nanotubes'20117,906,358'Epitaxial growth of cubic crystalline semiconductor alloys on basal plane of trigonal or hexagonal crystal'20117,769,135'X-ray diffraction wafer mapping method for rhombohedral super-hetero-epitaxy'20107,558,371'Method of generating X-ray diffraction data for integral detection of twin defects in super-hetero-epitaxial materials'20097,514,726'Graded index silicon geranium on lattice matched silicon geranium semiconductor alloy'20097,510,802'Multilayer ferritin array for bionanobattery'20097,379,231'Ferroelectric Light Control Device'20087,375,808'Method and system for sensing and identifying foreign particles in a gaseous environment'20087,341,883'Silicon germanium semiconductive alloy and method of fabricating same'2008Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2008–2020Patents assigned to NASA (32)· patent assignee history
2008–2020Based in Poquoson, VA, US· patent location history
2011–2016Patents assigned to PARK YEONJOON (15)· patent assignee history
2011–2016Patents assigned to KING GLEN C (13)· patent assignee history
2011–2016Patents assigned to ELLIOTT JAMES R (10)· patent assignee history
2011–2015Patents assigned to CHOI SANG HYOUK (9)· patent assignee history
2014Based in Yorktown, VA, US· patent location history
2017Based in Chungju-si, KR· patent location history
2019Based in Chungcheongbuk-do, KR· patent location history
2020Based in Poquson, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NASA | 32 | 2008–2020 |
| PARK YEONJOON | 15 | 2011–2016 |
| KING GLEN C | 13 | 2011–2016 |
| ELLIOTT JAMES R | 10 | 2011–2016 |
| CHOI SANG HYOUKself | 9 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Poquoson, Virginia, US | 40 | 2008–2020 |
| Poquson, Virginia, US | 1 | 2020 |
| Chungcheongbuk-do, KR | 1 | 2019 |
| Chungju-si, KR | 1 | 2017 |
| Yorktown, Virginia, US | 1 | 2014 |