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last 30 patents
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Patent Grant
Organic light emitting diode and organic light emitting device incl...
Patent number
11,380,853
Issue date
Jul 5, 2022
LG Display Co., Ltd.
Hye-Seung Kang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Heterocyclic compound and organic light-emitting element using same
Patent number
10,454,043
Issue date
Oct 22, 2019
HEESUNG MATERIAL LTD.
Mi-Jin Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heterocyclic compound and organic light emitting element using same
Patent number
10,446,765
Issue date
Oct 15, 2019
HEESUNG MATERIAL LTD.
Jung-Hyun Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hetero-cyclic compound and organic light emitting device using the...
Patent number
10,381,577
Issue date
Aug 13, 2019
HEESUNG MATERIAL LTD.
Geon-Yu Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heterocyclic compound and organic light emitting device using same
Patent number
10,344,030
Issue date
Jul 9, 2019
HEESUNG MATERIAL LTD.
Jung-Hyun Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Nitrogen-containing polycyclic compound and organic light emitting...
Patent number
10,177,319
Issue date
Jan 8, 2019
HEESUNG MATERIAL LTD.
Young-Seok No
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hetero-cyclic compound and organic light emitting device using the...
Patent number
10,026,908
Issue date
Jul 17, 2018
HEESUNG MATERIAL LTD.
Geon-Yu Park
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multicyclic aromatic compound and organic light emitting device usi...
Patent number
9,899,600
Issue date
Feb 20, 2018
HEESUNG MATERIAL LTD.
Do-Hyung Lee
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Heterocyclic compound and organic light emitting device using same
Patent number
9,728,731
Issue date
Aug 8, 2017
HEESUNG MATERIAL LTD.
Hyun-Ju La
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Lead-free solder composition for glass
Patent number
9,333,594
Issue date
May 10, 2016
Hyundai Motor Company
Hae Won Jeong
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING...
Publication number
20200308150
Publication date
Oct 1, 2020
HEESUNG MATERIAL LTD.
Gi-Back LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING...
Publication number
20200266355
Publication date
Aug 20, 2020
HEESUNG MATERIAL LTD.
Geon-Yu PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
Publication number
20200243775
Publication date
Jul 30, 2020
HEESUNG MATERIAL LTD.
Hyun-Ju LA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCL...
Publication number
20200212312
Publication date
Jul 2, 2020
LG Display Co., Ltd.
Hye-Seung KANG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING...
Publication number
20200131133
Publication date
Apr 30, 2020
HEESUNG MATERIAL LTD.
Hyun-Ju LA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT COMPRISING...
Publication number
20200123133
Publication date
Apr 23, 2020
HEESUNG MATERIAL LTD.
Young Seok NO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC LIGHT EMITTING ELEMENT AND COMPOSITION FOR ORGANIC MATERIAL...
Publication number
20200119285
Publication date
Apr 16, 2020
HEESUNG MATERIAL LTD.
Young Seok NO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC LIGHT EMITTING ELEMENT AND COMPOSITION FOR ORGANIC MATERIAL...
Publication number
20200111969
Publication date
Apr 9, 2020
HEESUNG MATERIAL LTD.
Young Seok NO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC LIGHT-EMITTING DEVICE
Publication number
20200066996
Publication date
Feb 27, 2020
HEESUNG MATERIAL LTD.
Hyun Ju LA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC LIGHT EMITTING ELEMENT AND COMPOSITION FOR ORGANIC MATERIAL...
Publication number
20190393430
Publication date
Dec 26, 2019
HEESUNG MATERIAL LTD.
Geon Yu PARK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
Publication number
20190319195
Publication date
Oct 17, 2019
HEESUNG MATERIAL LTD.
Gi-Back LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
Publication number
20190312211
Publication date
Oct 10, 2019
HEESUNG MATERIAL LTD.
Yun-Ji LEE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT USING SAME
Publication number
20190288218
Publication date
Sep 19, 2019
HEESUNG MATERIAL LTD.
Hyun-Ju LA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
Publication number
20190263834
Publication date
Aug 29, 2019
HEESUNG MATERIAL LTD.
Won-Jang JEONG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND, AND ORGANIC LIGHT-EMITTING DEVICE USING SAME
Publication number
20190233398
Publication date
Aug 1, 2019
HEESUNG MATERIAL LTD.
Han-Kook OH
C07 - ORGANIC CHEMISTRY
Information
Patent Application
LEAD-FREE SOLDER COMPOSITION
Publication number
20190054575
Publication date
Feb 21, 2019
Hyundai Motor Company
Jeejung KIM
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
Publication number
20180366652
Publication date
Dec 20, 2018
HEESUNG MATERIAL LTD.
Jun-Tae MO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
Publication number
20180323379
Publication date
Nov 8, 2018
HEESUNG MATERIAL LTD.
Mi-Jin KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NITROGEN-CONTAINING POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING...
Publication number
20180323380
Publication date
Nov 8, 2018
HEESUNG MATERIAL LTD.
Young-Seok NO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
Publication number
20180287072
Publication date
Oct 4, 2018
HEESUNG MATERIAL LTD.
Geon-yu PARK
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HETERO-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE...
Publication number
20170331052
Publication date
Nov 16, 2017
HEESUNG MATERIAL LTD.
Geon-Yu PARK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT USING SAME
Publication number
20170324046
Publication date
Nov 9, 2017
HEESUNG MATERIAL LTD.
Mi-Jin KIM
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NITROGEN-CONTAINING POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING...
Publication number
20170317295
Publication date
Nov 2, 2017
HEESUNG MATERIAL LTD.
Young-Seok NO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETERO-CYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE...
Publication number
20170213988
Publication date
Jul 27, 2017
HEESUNG MATERIAL LTD.
Geon-Yu PARK
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
Publication number
20170141325
Publication date
May 18, 2017
HEESUNG MATERIAL LTD.
Jung-Hyun LEE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
Publication number
20170133602
Publication date
May 11, 2017
HEESUNG MATERIAL LTD.
Jung-Hyun LEE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
Publication number
20170107217
Publication date
Apr 20, 2017
HEESUNG MATERIAL LTD.
Jung-Hyun LEE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING SAME
Publication number
20160380208
Publication date
Dec 29, 2016
HEESUNG MATERIAL LTD.
Hyun-Ju LA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
Publication number
20160204357
Publication date
Jul 14, 2016
HEESUNG MATERIAL LTD.
So-Hyun JANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Heat Exchanger for Refrigeration Cycle
Publication number
20140311181
Publication date
Oct 23, 2014
HEESUNG MATERIAL LTD.
Terumasa Matsumoto
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