Inventor

CHOI SANG HYOUK

US26 patents

⚠️ This page may combine multiple inventors who share the name “CHOI SANG HYOUK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHOI SANG HYOUK

NASA

X-ray diffraction wafer mapping method for rhombohedral super-hetero-epitaxy

Method of generating X-ray diffraction data for integral detection of twin defects in super-hetero-epitaxial materials

Integrated multi-color light emitting device made with hybrid crystal structure

High mobility transport layer structures for rhombohedral Si/Ge/SiGe devices

Single crystal rhombohedral epitaxy of SiGe on sapphire at 450° C.-500° C. substrate temperatures

X-ray diffraction (XRD) characterization methods for sigma=3 twin defects in cubic semiconductor (100) wafers

Single crystal epitaxial layer having a rhombohedral lattice

Integrated multi-color light emitting device made with hybrid crystal structure

Linear Fresnel spectrometer chip with gradient line grating

Rhombohedron epitaxial growth with molten target sputtering

Method of fabricating double sided Si(Ge)/Sapphire/III-nitride hybrid structure

Double sided Si(Ge)/Sapphire/III-nitride hybrid structure

Multi-layer structure of nuclear thermionic avalanche cells

PARK YEONJOON

Rhombohedral cubic semiconductor materials on trigonal substrate with single crystal properties and devices based on such materials

Multi-point interferometric phase change detection method

Lock-in imaging system for detecting disturbances in fluid

LEE UHN

Neural electronic interface device for motor and sensory controls of human body

Deep brain stimulation device having wireless power feeding by magnetic induction

Deep brain stimulation device having wireless power transmission mechanism

SAMSUNG ELECTRONICS CO LTD

Beamforming method and apparatus for serving multiple users

Method and device for transmitting and receiving signal by using multiple beams in wireless communication system

CHOI SANG HYOUK

Smart optical material characterization system and method

Fabrication of advanced thermoelectric materials by hierarchical nanovoid generation

US ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION

Nuclear thermionic avalanche cells with thermoelectric (NTAC-TE) generator in tandem mode

KIM HYUN-JUNG

Method of creating micro-scale silver telluride grains covered with bismuth nanoparticles

THE US NAT AERONAUTICS AND SPACE ADMINISTRATION

High mobility transport layer structures for rhombohedral Si/Ge/SiGe devices