Inventor

PARK YEONJOON

US35 patents

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

PARK YEONJOON

NASA

Epitaxial growth of cubic crystalline semiconductor alloys on basal plane of trigonal or hexagonal crystal

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

Thermoelectric materials and devices

Silicon germanium semiconductive alloy and method of fabricating same

High altitude airship configuration and power technology and method for operation of same

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

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

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

Growth method of highly twinned SiGe alloy on the basal plane of trigonal substrate under electron beam irradiation

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

Linear Fresnel spectrometer chip with gradient line grating

Micro-Fresnel zone plate optical devices using densely accumulated ray points

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

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

Ferroelectric Light Control Device

Method and system for sensing and identifying foreign particles in a gaseous environment

PARK YEONJOON

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

Hybrid bandgap engineering for super-hetero-epitaxial semiconductor materials, and products thereof

Micro ring grating spectrometer with adjustable aperture

Apparatus and method for creating a photonic densely-accumulated ray-point

Dynamic optical grating device and associated method for modulating light

Micro spectrometer for parallel light and method of use

Multi-point interferometric phase change detection method

Lock-in imaging system for detecting disturbances in fluid

CHOI SANG HYOUK

Smart optical material characterization system and method

Fabrication of advanced thermoelectric materials by hierarchical nanovoid generation

KIM JAE-WOO

Fabrication of metal nanoshells

Fabrication of metallic hollow nanoparticles

CHOI SANG H

Arrayed micro-ring spectrometer system and method of use

US AMINISTRATOR OF THE NAT AER

Graded index silicon geranium on lattice matched silicon geranium semiconductor alloy

CHU SANG-HYON

Fabrication of nanovoid-imbedded bismuth telluride with low dimensional system

KIM HYUN-JUNG

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

NAT INST OF AEROSPACE ASSOCIAT

Multilayer ferritin array for bionanobattery

THE US NAT AERONAUTICS AND SPACE ADMINISTRATION

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