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Kyu Hong Ahn
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Gangnam-gu, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Display device
Patent number
11,215,892
Issue date
Jan 4, 2022
SAMSUNG DISPLAY CO., LTD.
Kyeong Hwan Shin
G02 - OPTICS
Information
Patent Grant
Digital broadcasting system and method of processing data in digita...
Patent number
11,012,097
Issue date
May 18, 2021
LG Electronics Inc.
Chul Soo Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital broadcasting system and method of processing data in digita...
Patent number
10,790,856
Issue date
Sep 29, 2020
LG Electronics Inc.
Chul Soo Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Liquid crystal display having improved color display
Patent number
10,663,802
Issue date
May 26, 2020
Samsung Display Co., Ltd.
Min-Joo Han
G02 - OPTICS
Information
Patent Grant
Digital broadcasting system and method of processing data in digita...
Patent number
10,193,575
Issue date
Jan 29, 2019
LG Electronics Inc.
Chul Soo Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Thin film transistor substrate and liquid crystal display including...
Patent number
9,921,436
Issue date
Mar 20, 2018
Samsung Display Co., Ltd.
Hee Hwan Lee
G02 - OPTICS
Information
Patent Grant
Thin film transistor display panel and liquid crystal display
Patent number
9,874,789
Issue date
Jan 23, 2018
Samsung Display Co., Ltd.
Kyu Su Ahn
G02 - OPTICS
Information
Patent Grant
Liquid crystal display
Patent number
9,746,736
Issue date
Aug 29, 2017
Samsung Display Co., Ltd.
Kyu Su Ahn
G02 - OPTICS
Information
Patent Grant
Digital broadcasting system and method of processing data in digita...
Patent number
9,590,659
Issue date
Mar 7, 2017
LG Electronics Inc.
Chul Soo Lee
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Liquid crystal display
Patent number
9,519,194
Issue date
Dec 13, 2016
Samsung Display Co., Ltd.
Hee Hwan Lee
G02 - OPTICS
Information
Patent Grant
Thin film transistor substrate and liquid crystal display including...
Patent number
9,448,455
Issue date
Sep 20, 2016
Samsung Display Co., Ltd.
Hee Hwan Lee
G02 - OPTICS
Information
Patent Grant
Digital broadcasting system and method of processing data in digita...
Patent number
9,281,919
Issue date
Mar 8, 2016
LG Electronics Inc.
Chul Soo Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device for recording and playing contents, server for managing cont...
Patent number
9,077,859
Issue date
Jul 7, 2015
LG Electronics Inc.
Kyu Tae Ahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Password security input system using shift value of password key an...
Patent number
8,826,406
Issue date
Sep 2, 2014
Kyu Choul Ahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
River water purification apparatus and method using treatment soil...
Patent number
8,721,886
Issue date
May 13, 2014
Korea Institute of Science and Technology
Kyu Hong Ahn
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Digital broadcasting system and method of processing data in digita...
Patent number
8,656,261
Issue date
Feb 18, 2014
LG Electronics Inc.
Chul Soo Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image display apparatus and operating method thereof
Patent number
8,358,377
Issue date
Jan 22, 2013
LG Electronics Inc.
Kyu Tae Ahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Membrane coupled activated sludge method and apparatus operating an...
Patent number
7,314,563
Issue date
Jan 1, 2008
Korea Institute of Science and Technology
Jin Woo Cho
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for wastewater treatment using intermittently decanted exte...
Patent number
6,344,143
Issue date
Feb 5, 2002
Korea Institute of Science and Technology
Kyu Hong Ahn
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water treatment method using hollow fiber membrane and apparatus th...
Patent number
5,997,743
Issue date
Dec 7, 1999
Kyu-Hong Ahn
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for preparing porous membranes utilizing water or organic va...
Patent number
5,708,040
Issue date
Jan 13, 1998
Korea Institute of Science and Technology
Jae Min Hong
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and device for simultaneously measuring the flow speed and t...
Patent number
5,531,125
Issue date
Jul 2, 1996
Korea Institute of Science and Technology
Kyu-Hong Ahn
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
SILICON-ETCHANT COMPOSITION AND METHOD OF FORMING PATTERN USING THE...
Publication number
20240287383
Publication date
Aug 29, 2024
DONGWOO FINE-CHEM CO., LTD.
JIN KYU ROH
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ETCHANT COMPOSITION, AND METHOD OF FORMING PATTERN USING THE SAME,...
Publication number
20240034932
Publication date
Feb 1, 2024
DONGWOO FINE-CHEM CO., LTD
Jin-Kyu Roh
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DISPLAY DEVICE
Publication number
20210132456
Publication date
May 6, 2021
SAMSUNG DISPLAY CO., LTD.
Kyeong Hwan SHIN
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DISPLAY HAVING IMPROVED COLOR DISPLAY
Publication number
20200201125
Publication date
Jun 25, 2020
SAMSUNG DISPLAY CO., LTD.
Min-Joo HAN
G02 - OPTICS
Information
Patent Application
DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITA...
Publication number
20190363737
Publication date
Nov 28, 2019
LG ELECTRONICS INC.
Chul Soo LEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITA...
Publication number
20190158122
Publication date
May 23, 2019
LG ELECTRONICS INC.
Chul Soo LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITA...
Publication number
20170195074
Publication date
Jul 6, 2017
LG ELECTRONICS INC.
Chul Soo LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
THIN FILM TRANSISTOR SUBSTRATE AND LIQUID CRYSTAL DISPLAY INCLUDING...
Publication number
20170003557
Publication date
Jan 5, 2017
SAMSUNG DISPLAY CO., LTD.
Hee Hwan LEE
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DISPLAY
Publication number
20160320683
Publication date
Nov 3, 2016
SAMSUNG DISPLAY CO., LTD.
Kyu Su AHN
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DISPLAY HAVING IMPROVED COLOR DISPLAY
Publication number
20160238905
Publication date
Aug 18, 2016
SAMSUNG DISPLAY CO., LTD.
Min-Joo HAN
G02 - OPTICS
Information
Patent Application
DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITA...
Publication number
20160204805
Publication date
Jul 14, 2016
LG ELECTRONICS INC.
Chul Soo LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
THIN FILM TRANSISTOR DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY
Publication number
20160161806
Publication date
Jun 9, 2016
SAMSUNG DISPLAY CO., LTD.
Kyu Su AHN
G02 - OPTICS
Information
Patent Application
THIN FILM TRANSISTOR SUBSTRATE AND LIQUID CRYSTAL DISPLAY INCLUDING...
Publication number
20160109773
Publication date
Apr 21, 2016
SAMSUNG DISPLAY CO., LTD.
Hee Hwan LEE
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DISPLAY
Publication number
20150009442
Publication date
Jan 8, 2015
SAMSUNG DISPLAY CO., LTD.
Hee Hwan Lee
G02 - OPTICS
Information
Patent Application
EQUIPMENT AND METHOD FOR WATER AND STREAM PURIFICATION USING PRE-TR...
Publication number
20140339171
Publication date
Nov 20, 2014
Kyu Hong AHN
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITA...
Publication number
20140149829
Publication date
May 29, 2014
LG ELECTRONICS INC.
Chul Soo LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PASSWORD SECURITY INPUT SYSTEM USING SHIFT VALUE OF PASSWORD KEY AN...
Publication number
20130047237
Publication date
Feb 21, 2013
Kyu Choul Ahn
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Device for Treating Wastewater Comprising Nitrogen and Phosphorus a...
Publication number
20110247977
Publication date
Oct 13, 2011
Korea Institute of Science and Technology
Kyung Guen Song
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Application
RIVER WATER PURIFICATION APPARATUS AND METHOD USING TREATMENT SOIL...
Publication number
20110100905
Publication date
May 5, 2011
Korea Institute of Science and Technology
Kyu Hong AHN
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
IMAGE DISPLAY APPARATUS AND OPERATING METHOD THEREOF
Publication number
20100302444
Publication date
Dec 2, 2010
LG Electronics Inc.
Kyu Tae AHN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIGITAL BROADCASTING SYSTEM AND METHOD OF PROCESSING DATA IN DIGITA...
Publication number
20100226366
Publication date
Sep 9, 2010
Chul Soo Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR DETECTING MEMBRANE MODULE FLAW WITH THE APPLICATION OF F...
Publication number
20100060887
Publication date
Mar 11, 2010
Korea Institute of Science and Technology
Jin Woo Cho
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DEVICE FOR RECORDING AND PLAYING CONTENTS, SERVER FOR MANAGING CONT...
Publication number
20090257729
Publication date
Oct 15, 2009
LG ELECTRONICS INC.
Kyu Tae AHN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NON-CONTACT TYPE WATER LEVEL CONTROL APPARATUS
Publication number
20090229683
Publication date
Sep 17, 2009
WOONGIN COWAY CO., LTD
Ju-Hyun Baek
G05 - CONTROLLING REGULATING
Information
Patent Application
Membrane coupled activated sludge method and apparatus operating an...
Publication number
20070108125
Publication date
May 17, 2007
Jin Woo Cho
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Data transmission device using SAW filters
Publication number
20060114969
Publication date
Jun 1, 2006
Samsung Electro-Mechanics Co., Ltd.
Kyu Hwan Ahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Variant of HNF-1alpha gene having novel single nucleotide polymorph...
Publication number
20040132060
Publication date
Jul 8, 2004
Yeon-su Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Automatic water quality measurement system based on a high performa...
Publication number
20020054288
Publication date
May 9, 2002
Dong Hwan Kim
G01 - MEASURING TESTING