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Hong K. Choi
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Concord, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Image rendering in organic light emitting diode (OLED) displays, ap...
Patent number
11,839,093
Issue date
Dec 5, 2023
Kopin Corporation
Boryeu Tsaur
Information
Patent Grant
Image rendering in organic light emitting diode (OLED) displays, ap...
Patent number
11,793,033
Issue date
Oct 17, 2023
Kopin Corporation
Boryeu Tsaur
Information
Patent Grant
Head worn wireless computer having high-resolution display suitable...
Patent number
9,886,231
Issue date
Feb 6, 2018
Kopin Corporation
Jeffrey J. Jacobsen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Video eyewear for smart phone games
Patent number
8,754,931
Issue date
Jun 17, 2014
Kopin Corporation
John Gassel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Display system with single crystal Si thin film transistors
Patent number
8,072,406
Issue date
Dec 6, 2011
Kopin Corporation
Bor-Yeu Tsaur
G02 - OPTICS
Information
Patent Grant
Display system with single crystal SI thin film transistors
Patent number
7,768,611
Issue date
Aug 3, 2010
Kopin Corporation
Bor-Yeu Tsaur
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bonding pad for gallium nitride-based light-emitting devices
Patent number
7,122,841
Issue date
Oct 17, 2006
Kopin Corporation
Tchang-Hun Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Bonding pad for gallium nitride-based light-emitting device
Patent number
7,002,180
Issue date
Feb 21, 2006
Kopin Corporation
Steve Tchang-Hun Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Efficient light emitting diodes and lasers
Patent number
6,881,983
Issue date
Apr 19, 2005
Kopin Corporation
Jagdish Narayan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting diode device geometry
Patent number
6,847,052
Issue date
Jan 25, 2005
Kopin Corporation
John C. C. Fan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electrode for p-type gallium nitride-based semiconductors
Patent number
6,734,091
Issue date
May 11, 2004
Kopin Corporation
Tchang-Hun Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing GaN-based p-type compound semiconductors an...
Patent number
6,479,313
Issue date
Nov 12, 2002
Kopin Corporation
Jinlin Ye
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Holmium-doped solid state optically pumped laser
Patent number
5,315,608
Issue date
May 24, 1994
Massachusetts Institute of Technology
Hong K. Choi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Quantum-well diode laser
Patent number
5,251,225
Issue date
Oct 5, 1993
Massachusetts Institute of Technology
Stephen J. Eglash
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Reliable AlInGaAs/AlGaAs strained-layer diode lasers
Patent number
5,216,684
Issue date
Jun 1, 1993
Massachusetts Institute of Technology
Christine A. Wang
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Monolithic integration of silicon and gallium arsenide devices
Patent number
4,774,205
Issue date
Sep 27, 1988
Massachusetts Institute of Technology
Hong K. Choi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for making junction field-effect transistors
Patent number
4,700,461
Issue date
Oct 20, 1987
Massachusetts Institute of Technology
Hong-Kyun Choi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Head Worn Wireless Computer Having High-Resolution Display Suitable...
Publication number
20180189011
Publication date
Jul 5, 2018
Kopin Corporation
Jeffrey J. Jacobsen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
VIDEO EYEWEAR FOR SMART PHONE GAMES
Publication number
20110169928
Publication date
Jul 14, 2011
Kopin Corporation
John Gassel
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
HANDHELD WIRELESS DISPLAY DEVICE HAVING HIGH-RESOLUTION DISPLAY SUI...
Publication number
20110084900
Publication date
Apr 14, 2011
Jeffrey J. Jacobsen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Display System with Single Crystal Si Thin Film Transistors
Publication number
20100259517
Publication date
Oct 14, 2010
Kopin Corporation
Bor-Yeu Tsaur
G02 - OPTICS
Information
Patent Application
Display system with single crystal Si thin film transistors
Publication number
20080049159
Publication date
Feb 28, 2008
Bor-Yeu Tsaur
G02 - OPTICS
Information
Patent Application
Monolithic integration and enhanced light extraction in gallium nit...
Publication number
20050179042
Publication date
Aug 18, 2005
Kopin Corporation
Bo Yang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
P-type electrodes in gallium nitride-based light-emitting devices
Publication number
20050179046
Publication date
Aug 18, 2005
Kopin Corporation
Tchang-hun Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Efficient light emitting diodes and lasers
Publication number
20050161689
Publication date
Jul 28, 2005
Kopin Corporation
Jagdish Narayan
B82 - NANO-TECHNOLOGY
Information
Patent Application
Bonding pad for gallium nitride-based light-emitting devices
Publication number
20040262621
Publication date
Dec 30, 2004
Kopin Corporation
Tchang-hun Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Light-emitting diode device geometry
Publication number
20040077135
Publication date
Apr 22, 2004
Kopin Corporation
John C.C. Fan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Electrode for p-type gallium nitride-based semiconductors
Publication number
20040000671
Publication date
Jan 1, 2004
Kopin Corporation
Tchang-Hun Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-power light-emitting diode structures
Publication number
20040000672
Publication date
Jan 1, 2004
Kopin Corporation
John C.C. Fan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Bonding pad for gallium nitride-based light-emitting device
Publication number
20040000670
Publication date
Jan 1, 2004
Kopin Corporation
Steve Tchang-Hun Oh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-efficiency light-emitting diodes
Publication number
20030222263
Publication date
Dec 4, 2003
Kopin Corporation
Hong K. Choi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Efficient light emitting diodes and lasers
Publication number
20030160229
Publication date
Aug 28, 2003
Kopin Corporation
Jagdish Narayan
B82 - NANO-TECHNOLOGY
Information
Patent Application
Efficient light emitting diodes and lasers
Publication number
20030160246
Publication date
Aug 28, 2003
Jagdish Narayan
B82 - NANO-TECHNOLOGY
Information
Patent Application
METHOD OF MANUFACTURING GAN-BASED P-TYPE COMPOUND SEMICONDUCTORS AN...
Publication number
20020177251
Publication date
Nov 28, 2002
Kopin Corporation
Jinlin Ye
H01 - BASIC ELECTRIC ELEMENTS