Jai Sang Koh

Person

Deajeon, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Astral lamp device having detachable and angle-controllable LED mod...
- Patent number 10,057,451
- Issue date Aug 21, 2018
- Electronics and Telecommunications Research Institute
- Jeong Eun Kim
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Wavelength division multi-channel optical module and manufacturing...
- Patent number 9,846,286
- Issue date Dec 19, 2017
- Electronics and Telecommunications Research Institute
- Kwon Seob Lim
- G02 - OPTICS
Information Patent Grant
Method and apparatus for burst mode clock and data recovery
- Patent number 9,002,212
- Issue date Apr 7, 2015
- Intellectual Discovery Co., Ltd.
- Mun Seob Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Channel server, channel prediction server, terminal, and method for...
- Patent number 8,856,282
- Issue date Oct 7, 2014
- Electronics and Telecommunications Research Institute
- Sangkyune Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for controlling path maximum transmission unit by detecting...
- Patent number 8,817,820
- Issue date Aug 26, 2014
- Electronics and Telecommunications Research Institute
- Seung-hun Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadcast augmented reality advertisement service system and method...
- Patent number 8,667,528
- Issue date Mar 4, 2014
- Electronics and Telecommunications Research Institute
- Hong Yeon Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-channel optical module
- Patent number 8,641,298
- Issue date Feb 4, 2014
- Electronics and Telecommunications Research Institute
- Kwon-Seob Lim
- G02 - OPTICS
Information Patent Grant
Method for transmitting OAM message and processing error in PON system
- Patent number 8,619,590
- Issue date Dec 31, 2013
- Electronics and Telecommunications Research Institute
- Young Suk Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional optical transceiver
- Patent number 8,503,884
- Issue date Aug 6, 2013
- Electronics and Telecommunications Research Institute
- Jong-jin Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical waveguide and bi-directional optical transceiver
- Patent number 8,488,924
- Issue date Jul 16, 2013
- Electronics and Telecommunications Research Institute
- Sei-Hyoung Lee
- G02 - OPTICS
Information Patent Grant
Burst mode optical repeater
- Patent number 8,463,136
- Issue date Jun 11, 2013
- Electronics and Telecommunications Research Institute
- Mun-seob Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Seed light module for passive optical network
- Patent number 8,422,124
- Issue date Apr 16, 2013
- Electronics and Telecommunications Research Institute
- Han-hyub Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for controlling reflective semiconductor optic...
- Patent number 8,364,043
- Issue date Jan 29, 2013
- Electronics and Telecommunications Research Institute
- Jie-hyun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional optical transceiver module
- Patent number 8,277,132
- Issue date Oct 2, 2012
- Electronic and Telecommunications Research Institute
- Jong-jin Lee
- G02 - OPTICS
Information Patent Grant
Optical communication module
- Patent number 8,265,486
- Issue date Sep 11, 2012
- Electronics and Telecommunications Research Institute
- Kwon-Seob Lim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for controlling multicast in multi hop networks
- Patent number 8,208,465
- Issue date Jun 26, 2012
- Electronics and Telecommunications Research Institute
- Seokkap Ko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for inserting or extracting network timestamp
- Patent number 8,204,081
- Issue date Jun 19, 2012
- Electronics and Telecommunications Research Institute
- Nac-woo Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Environmental test chamber having movable panel and method of drivi...
- Patent number 8,047,088
- Issue date Nov 1, 2011
- Electronics and Telecommunications Research Institute
- Kwang-su Yun
- G01 - MEASURING TESTING
Information Patent Grant
Method of manufacturing through-via
- Patent number 7,998,861
- Issue date Aug 16, 2011
- Electronics and Telecommunications Research Institute
- Jong-jin Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical waveguide and bi-directional optical transceiver
- Patent number 7,995,883
- Issue date Aug 9, 2011
- Electronics and Telecommunications Research Institute
- Sei-hyoung Lee
- G02 - OPTICS
Information Patent Grant
Wavelength division multiplexing passive optical network system and...
- Patent number 7,848,652
- Issue date Dec 7, 2010
- Electronics and Telecommunications Research Institute
- Moon Seob Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical waveguide device and optical communication module
- Patent number 7,792,401
- Issue date Sep 7, 2010
- Electronics and Telecommunications Research Institute
- Hyun-seo Kang
- G02 - OPTICS
Information Patent Grant
Passive optical network system and method of transmitting broadcast...
- Patent number 7,471,900
- Issue date Dec 30, 2008
- Electronics and Telecommunications Research Institute
- Moon Seop Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for remotely determining fault of subscriber terminals an...
- Patent number 7,386,234
- Issue date Jun 10, 2008
- Electronics and Telecommunications Research Institute
- Byung Tak Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for drawing patent map using technical field word and method...
- Patent number 7,054,856
- Issue date May 30, 2006
- Electronics and Telecommunications Research Institute
- Jeong Wook Won
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
WAVELENGTH DIVISION MULTI-CHANNEL OPTICAL MODULE AND MANUFACTURING...
- Publication number 20160154195
- Publication date Jun 2, 2016
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Kwon Seob LIM
- G02 - OPTICS
Information Patent Application
ASTRAL LAMP DEVICE HAVING DETACHABLE AND ANGLE-CONTROLLABLE LED MOD...
- Publication number 20160097518
- Publication date Apr 7, 2016
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jeong Eun KIM
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
APPARATUS AND METHOD FOR ACQUIRING CHANNEL INFORMATION USING BROADC...
- Publication number 20130152118
- Publication date Jun 13, 2013
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Seung Hun Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR LOCATING WIRELESS NODES USING DIFFERENCE TRIANGULATION
- Publication number 20120165040
- Publication date Jun 28, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Byung Tak Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for Transmitting OAM Message and Processing Error in PON System
- Publication number 20120163799
- Publication date Jun 28, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Young Suk LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NODE APPARATUS, NODE MANAGEMENT APPARATUS AND METHOD, AND COMMUNICA...
- Publication number 20120163289
- Publication date Jun 28, 2012
- ELECTRONICS AND TELECOMMUNICAIONS RESEARCH INSTITUTE
- Seung-Hun Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BROADCAST AUGMENTED REALITY ADVERTISEMENT SERVICE SYSTEM AND METHOD...
- Publication number 20120167135
- Publication date Jun 28, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Hong Yeon Yu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD OF PROVIDING PERSONALIZED SERVICE
- Publication number 20120167140
- Publication date Jun 28, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Il Kyun Park
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR OFFERING 3D VIDEO PROCESSING, RENDERING, A...
- Publication number 20120154531
- Publication date Jun 21, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Nac Woo KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTICAST COMMUNICATION METHOD, APPARATUS AND SYSTEM FOR INTERMITTE...
- Publication number 20120127994
- Publication date May 24, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Seok-Kap KO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-FUNCTION OPTICAL MEASUREMENT DEVICE
- Publication number 20120127458
- Publication date May 24, 2012
- Electronics and Telecommunications Research Institute
- Kwon-Seob LIM
- G02 - OPTICS
Information Patent Application
MULTI-CHANNEL OPTICAL MODULE
- Publication number 20120128295
- Publication date May 24, 2012
- Electronics and Telecommunications Research Institute
- Kwon-Seob LIM
- G02 - OPTICS
Information Patent Application
METHOD AND APPARATUS FOR BURST MODE CLOCK AND DATA RECOVERY
- Publication number 20120045214
- Publication date Feb 23, 2012
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Mun Seob LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR CONTROLLING PATH MAXIMUM TRANSMISSION UNIT BY DETECTING...
- Publication number 20110243138
- Publication date Oct 6, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTIT UTE
- Seung-hun Oh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OVERLAY MULTICAST SYSTEM FOR GROUP MEDIA TRANSMISSION APPLICATION S...
- Publication number 20110125917
- Publication date May 26, 2011
- Electronics and Telecommunications Reseach Institute
- Kyunghun KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CHANNEL SERVER, CHANNEL PREDICTION SERVER, TERMINAL, AND METHOD FOR...
- Publication number 20110106915
- Publication date May 5, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Sangkyune KIM
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TERMINAL AND RELAY NODE FOR VIDEO CONFERENCE SYSTEM
- Publication number 20110090970
- Publication date Apr 21, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Nac Woo KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR CONTROLLING MULTICAST IN MULTI HOP NETWORKS
- Publication number 20110080908
- Publication date Apr 7, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Seokkap KO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM FOR PROVIDING MULTI-ANGLE BROADCASTING SERVICE
- Publication number 20110080425
- Publication date Apr 7, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Nac Woo KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BROADCASTING SYSTEM INTERWORKING WITH ELECTRONIC DEVICES
- Publication number 20110082691
- Publication date Apr 7, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Seokkap KO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PARTICIPANT TERMINAL DEVICE, WIRED AND WIRELESS COUPLED SERVER FOR...
- Publication number 20110061070
- Publication date Mar 10, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Seung-Hun OH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BIDIRECTIONAL OPTICAL TRANSCEIVER MODULE
- Publication number 20110052125
- Publication date Mar 3, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jong-jin LEE
- G02 - OPTICS
Information Patent Application
OPTICAL COMMUNICATION MODULE
- Publication number 20110044696
- Publication date Feb 24, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Kwon-Seob LIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL LINE TERMINAL, METHOD FOR OPERATING OPTICAL RECEPTION INTER...
- Publication number 20110020002
- Publication date Jan 27, 2011
- ELECTRONICS TELECOMMUNICATIONS RESEARCH INSTITUTE
- Bin-yeong Yoon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL WAVEGUIDE AND BI-DIRECTIONAL OPTICAL TRANSCEIVER
- Publication number 20110002692
- Publication date Jan 6, 2011
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Sei-Hyoung LEE
- G02 - OPTICS
Information Patent Application
APPARATUS AND METHOD FOR MEASURING SIGNAL PERFORMANCE AND APPARATUS...
- Publication number 20100158513
- Publication date Jun 24, 2010
- Eui-suk Jung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENVIRONMENTAL TEST CHAMBER HAVING MOVABLE PANEL AND METHOD OF DRIVI...
- Publication number 20100154571
- Publication date Jun 24, 2010
- Kwang-su YUN
- G01 - MEASURING TESTING
Information Patent Application
SEED LIGHT MODULE BASED ON SINGLE LONGITUDINAL MODE OSCILLATION LIG...
- Publication number 20100158522
- Publication date Jun 24, 2010
- Seung-hyun Cho
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSCEIVER SUITABLE FOR USE IN HYBRID, PASSIVE OPTICAL NET...
- Publication number 20100158526
- Publication date Jun 24, 2010
- Han-hyub Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR TRANSMITTING OPTICAL SIGNALS WITH ENHANCED...
- Publication number 20100150560
- Publication date Jun 17, 2010
- Electronics and Communications Research Institute
- Jie-hyun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Jai Sang Koh

Person

Patents Grantslast 30 patents

Astral lamp device having detachable and angle-controllable LED mod...

Wavelength division multi-channel optical module and manufacturing...

Method and apparatus for burst mode clock and data recovery

Channel server, channel prediction server, terminal, and method for...

System for controlling path maximum transmission unit by detecting...

Broadcast augmented reality advertisement service system and method...

Multi-channel optical module

Method for transmitting OAM message and processing error in PON system

Bidirectional optical transceiver

Optical waveguide and bi-directional optical transceiver

Burst mode optical repeater

Seed light module for passive optical network

Method and apparatus for controlling reflective semiconductor optic...

Bidirectional optical transceiver module

Optical communication module

Apparatus and method for controlling multicast in multi hop networks

Apparatus and method for inserting or extracting network timestamp

Environmental test chamber having movable panel and method of drivi...

Method of manufacturing through-via

Optical waveguide and bi-directional optical transceiver

Wavelength division multiplexing passive optical network system and...

Optical waveguide device and optical communication module

Passive optical network system and method of transmitting broadcast...

Apparatus for remotely determining fault of subscriber terminals an...

System for drawing patent map using technical field word and method...

Patents Applicationslast 30 patents

WAVELENGTH DIVISION MULTI-CHANNEL OPTICAL MODULE AND MANUFACTURING...

ASTRAL LAMP DEVICE HAVING DETACHABLE AND ANGLE-CONTROLLABLE LED MOD...

APPARATUS AND METHOD FOR ACQUIRING CHANNEL INFORMATION USING BROADC...

METHOD FOR LOCATING WIRELESS NODES USING DIFFERENCE TRIANGULATION

Method for Transmitting OAM Message and Processing Error in PON System

NODE APPARATUS, NODE MANAGEMENT APPARATUS AND METHOD, AND COMMUNICA...

BROADCAST AUGMENTED REALITY ADVERTISEMENT SERVICE SYSTEM AND METHOD...

SYSTEM AND METHOD OF PROVIDING PERSONALIZED SERVICE

APPARATUS AND METHOD FOR OFFERING 3D VIDEO PROCESSING, RENDERING, A...

MULTICAST COMMUNICATION METHOD, APPARATUS AND SYSTEM FOR INTERMITTE...

MULTI-FUNCTION OPTICAL MEASUREMENT DEVICE

MULTI-CHANNEL OPTICAL MODULE

METHOD AND APPARATUS FOR BURST MODE CLOCK AND DATA RECOVERY

SYSTEM FOR CONTROLLING PATH MAXIMUM TRANSMISSION UNIT BY DETECTING...

OVERLAY MULTICAST SYSTEM FOR GROUP MEDIA TRANSMISSION APPLICATION S...

CHANNEL SERVER, CHANNEL PREDICTION SERVER, TERMINAL, AND METHOD FOR...

TERMINAL AND RELAY NODE FOR VIDEO CONFERENCE SYSTEM

APPARATUS AND METHOD FOR CONTROLLING MULTICAST IN MULTI HOP NETWORKS

SYSTEM FOR PROVIDING MULTI-ANGLE BROADCASTING SERVICE

BROADCASTING SYSTEM INTERWORKING WITH ELECTRONIC DEVICES

PARTICIPANT TERMINAL DEVICE, WIRED AND WIRELESS COUPLED SERVER FOR...

BIDIRECTIONAL OPTICAL TRANSCEIVER MODULE

OPTICAL COMMUNICATION MODULE

OPTICAL LINE TERMINAL, METHOD FOR OPERATING OPTICAL RECEPTION INTER...

OPTICAL WAVEGUIDE AND BI-DIRECTIONAL OPTICAL TRANSCEIVER

APPARATUS AND METHOD FOR MEASURING SIGNAL PERFORMANCE AND APPARATUS...

ENVIRONMENTAL TEST CHAMBER HAVING MOVABLE PANEL AND METHOD OF DRIVI...

SEED LIGHT MODULE BASED ON SINGLE LONGITUDINAL MODE OSCILLATION LIG...

OPTICAL TRANSCEIVER SUITABLE FOR USE IN HYBRID, PASSIVE OPTICAL NET...

APPARATUS AND METHOD FOR TRANSMITTING OPTICAL SIGNALS WITH ENHANCED...