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Adam J. Duzik
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Yorktown, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
High performance electric generators boosted by nuclear electron av...
Patent number
11,979,100
Issue date
May 7, 2024
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Thermionic power cell
Patent number
11,721,451
Issue date
Aug 8, 2023
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
High performance electric generators boosted by nuclear electron av...
Patent number
11,646,679
Issue date
May 9, 2023
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Multi-layer structure of nuclear thermionic avalanche cells
Patent number
11,581,104
Issue date
Feb 14, 2023
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang Hyouk Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Selective and direct deposition technique for streamlined CMOS proc...
Patent number
11,581,468
Issue date
Feb 14, 2023
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electron beam heating and atomic surface restructuring of sapphire...
Patent number
11,299,820
Issue date
Apr 12, 2022
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
C30 - CRYSTAL GROWTH
Information
Patent Grant
Thermionic power cell
Patent number
11,094,425
Issue date
Aug 17, 2021
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Metallic junction thermoelectric generator
Patent number
11,063,198
Issue date
Jul 13, 2021
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Portable miniaturized thermionic power cell with multiple regenerat...
Patent number
11,004,666
Issue date
May 11, 2021
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
High performance electric generators boosted by nuclear electron av...
Patent number
10,985,676
Issue date
Apr 20, 2021
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Selective and direct deposition technique for streamlined CMOS proc...
Patent number
10,886,452
Issue date
Jan 5, 2021
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA.
Sang H. Choi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Thermal absorption coating on sapphire for epitaxial process
Patent number
10,651,034
Issue date
May 12, 2020
Sang H. Choi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Single crystal rhombohedral epitaxy of SiGe on sapphire at 450° C.-...
Patent number
10,096,472
Issue date
Oct 9, 2018
The United States of America as represented by the Administrator of NASA
Sang Hyouk Choi
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
HIGH PERFORMANCE ELECTRIC GENERATORS BOOSTED BY NUCLEAR ELECTRON AV...
Publication number
20230318492
Publication date
Oct 5, 2023
United States of America as represented by the Administrator of NASA
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
Thermionic Power Cell
Publication number
20220084708
Publication date
Mar 17, 2022
United States of America as represented by the Administrator of NASA
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
High Performance Electric Generators Boosted by Nuclear Electron Av...
Publication number
20210242810
Publication date
Aug 5, 2021
United States of America as represented by the Administrator of NASA
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
Selective and Direct Deposition Technique for Streamlined CMOS Proc...
Publication number
20210234083
Publication date
Jul 29, 2021
United States of America as represented by the Administrator of NASA
Sang H. Choi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Multi-Layer Structure of Nuclear Thermionic Avalanche Cells
Publication number
20200373035
Publication date
Nov 26, 2020
United States of America as represented by the Administrator of NASA
Sang Hyouk Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
High Performance Electric Generators Boosted by Nuclear Electron Av...
Publication number
20190288614
Publication date
Sep 19, 2019
United States of America as represented by the Administrator of NASA
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
Portable Miniaturized Thermionic Power Cell with Multiple Regenerat...
Publication number
20190287773
Publication date
Sep 19, 2019
United States of America as represented by the Administrator of NASA
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
SELECTIVE AND DIRECT DEPOSITION TECHNIQUE FOR STREAMLINED CMOS PROC...
Publication number
20190229251
Publication date
Jul 25, 2019
UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF NASA
Sang H. Choi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Thermionic Power Cell
Publication number
20180350481
Publication date
Dec 6, 2018
United States of America as represented by the Administrator of NASA
Sang H. Choi
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Application
Electron Beam Heating and Atomic Surface Restructuring of Sapphire...
Publication number
20180030616
Publication date
Feb 1, 2018
United States of America as represented by the Administrator of NASA
Sang H. Choi
C30 - CRYSTAL GROWTH
Information
Patent Application
THERMAL ABSORPTION COATING ON SAPPHIRE FOR EPITAXIAL PROCESS
Publication number
20170287710
Publication date
Oct 5, 2017
USA as represented by the Administrator of the National Aeronautics and Space...
Sang H. Choi
C30 - CRYSTAL GROWTH
Information
Patent Application
Metallic Junction Thermoelectric Generator
Publication number
20170288113
Publication date
Oct 5, 2017
USA as represented by the Administrator of the National Aeronautics and Space...
Sang H. Choi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Single Crystal Rhombohedral Epitaxy of SiGe on Sapphire at 450°C -...
Publication number
20170178903
Publication date
Jun 22, 2017
USA as represented by the Administrator of the National Aeronautics and Space...
Sang Hyouk Choi
C30 - CRYSTAL GROWTH