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Yu-Chul CHANG
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Gyeonggi-do, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Phosphine precursor for preparing quantum dot and quantum dot prepa...
Patent number
11,999,762
Issue date
Jun 4, 2024
SK Chemicals Co., Ltd.
Jeong Ho Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphine precursor for preparing quantum dot and quantum dot prepa...
Patent number
11,912,915
Issue date
Feb 27, 2024
SK Chemicals Co., Ltd.
Hee Il Chae
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Compound for organic eletroluminescent device and organic electrolu...
Patent number
10,138,201
Issue date
Nov 27, 2018
SK Chemicals Co., Ltd.
Ju-Sik Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound for organic electroluminescent device and organic electrol...
Patent number
9,917,256
Issue date
Mar 13, 2018
SK Chemicals Co., Ltd.
Ju-Sik Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Peripheral apparatus, server apparatus and method for determining l...
Patent number
9,699,602
Issue date
Jul 4, 2017
Samsung Electronics Co., Ltd.
Sung Jae Cho
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diimmonium-based component and near infrared absorption filter usin...
Patent number
9,158,048
Issue date
Oct 13, 2015
SK Chemicals Co., Ltd.
Ju-Sik Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Copper phthalocyanine compounds and near-infrared absorption filter...
Patent number
8,691,978
Issue date
Apr 8, 2014
SK Chemicals Co., Ltd.
Ju-Sik Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Vanadium phthalocyanine compounds and near-infrared absorption filt...
Patent number
8,669,358
Issue date
Mar 11, 2014
SK Chemicals Co., Ltd.
Yu-Mi Chang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Slide type portable terminal
Patent number
8,391,002
Issue date
Mar 5, 2013
Samsung Electronics Co., Ltd.
Sun-Jong Choe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
PHOSPHINE PRECURSOR FOR PREPARING QUANTUM DOT AND QUANTUM DOT PREPA...
Publication number
20220235077
Publication date
Jul 28, 2022
SK Chemicals Co., Ltd.
Jeong Ho PARK
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR PREPARING 3(4),8(9)-BISFORMYLTRICYCLO[5.2.1.0^2,6]DECANE
Publication number
20210253507
Publication date
Aug 19, 2021
SK Chemicals Co., Ltd.
Hee IL CHAE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PHOSPHINE PRECURSOR FOR PREPARING QUANTUM DOT AND QUANTUM DOT PREPA...
Publication number
20200140467
Publication date
May 7, 2020
SK Chemicals Co., Ltd.
Jeong Ho PARK
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOSPHINE PRECURSOR FOR PREPARING QUANTUM DOT AND QUANTUM DOT PREPA...
Publication number
20200071608
Publication date
Mar 5, 2020
SK Chemicals Co., Ltd.
Hee IL CHAE
B82 - NANO-TECHNOLOGY
Information
Patent Application
COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROL...
Publication number
20160204354
Publication date
Jul 14, 2016
SK CHEMICALS CO., LTD.
Ju-Sik Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROL...
Publication number
20160149140
Publication date
May 26, 2016
SK CHEMICALS CO., LTD.
Ju-Sik KANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PERIPHERAL APPARATUS, SERVER APPARATUS AND METHOD FOR DETERMINING L...
Publication number
20150382140
Publication date
Dec 31, 2015
Samsung Electronics Co., Ltd.
Sung Jae CHO
G01 - MEASURING TESTING
Information
Patent Application
COMPOUND FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROL...
Publication number
20150270492
Publication date
Sep 24, 2015
SK Chemicals Co., Ltd.
Ju-Sik Kang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DIIMMONIUM-BASED COMPONENT AND NEAR INFRARED ABSORPTION FILTER USIN...
Publication number
20130331608
Publication date
Dec 12, 2013
SK CHEMICALS CO., LTD.
Ju-Sik Kang
G02 - OPTICS
Information
Patent Application
VANADYL PHTHALOCYANINE COMPOUNDS AND NEAR-INFRARED ABSORPTION FILTE...
Publication number
20120271044
Publication date
Oct 25, 2012
Yu-Mi Chang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
VANADIUM PHTHALOCYANINE COMPOUNDS AND NEAR-INFRARED ABSORPTION FILT...
Publication number
20110275847
Publication date
Nov 10, 2011
SK Chemicals Co., Ltd.
Yu-Mi Chang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COPPER PHTHALOCYANINE COMPOUNDS AND NEAR-INFRARED ABSORPTION FILTER...
Publication number
20110269952
Publication date
Nov 3, 2011
Ju-Sik Kang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SLIDE TYPE PORTABLE TERMINAL
Publication number
20100226081
Publication date
Sep 9, 2010
Samsung Electronics Co., Ltd.
Sun-Jong CHOE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTROLYTE SOLUTION AND SUPER CAPACITOR INCLUDING THE SAME
Publication number
20090268377
Publication date
Oct 29, 2009
SK Chemicals Co., Ltd.
Jae-Hoon Choi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Battery pack locking apparatus for mobile terminal
Publication number
20060176012
Publication date
Aug 10, 2006
Samsung Electronics Co., Ltd.
Seung-Chul Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sliding/folding combination type portable digital communication app...
Publication number
20060135227
Publication date
Jun 22, 2006
Samsung Electronics Co., Ltd.
Yu-Chul Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE