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Ji-Hyun Um
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Seoul, KR
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Patents Grants
last 30 patents
Information
Patent Grant
Organic electroluminescent compound and organic electroluminescent...
Patent number
11,725,138
Issue date
Aug 15, 2023
Rohm and Haas Electronic Materials Korea Ltd.
Hyun Kim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Audio content playback method and apparatus for portable terminal
Patent number
11,711,663
Issue date
Jul 25, 2023
Samsung Electronics Co., Ltd.
Jung-Mi Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Audio content playback method and apparatus for portable terminal
Patent number
11,134,355
Issue date
Sep 28, 2021
Samsung Electronics Co., Ltd.
Jung-Mi Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Audio content playback method and apparatus for portable terminal
Patent number
10,764,702
Issue date
Sep 1, 2020
Samsung Electronics Co., Ltd.
Jung-Mi Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Audio content playback method and apparatus for portable terminal
Patent number
10,462,594
Issue date
Oct 29, 2019
Samsung Electronics Co., Ltd.
Jung-Mi Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Internal voltage generation circuit
Patent number
9,843,256
Issue date
Dec 12, 2017
SK Hynix Inc.
Ji-Yong Um
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Audio content playback method and apparatus for portable terminal
Patent number
9,654,877
Issue date
May 16, 2017
Samsung Electronics Co., Ltd.
Jung-Mi Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Display screen or portion thereof with graphical user interface
Patent number
D766945
Issue date
Sep 20, 2016
Samsung Electronics Co., Ltd.
Ji-Hyun Um
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Display screen or portion thereof with icon
Patent number
D763916
Issue date
Aug 16, 2016
Samsung Electronics Co., Ltd.
Ji-Hyun Um
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Display screen or portion thereof with graphical user interface
Patent number
D760768
Issue date
Jul 5, 2016
Samsung Electronics Co., Ltd.
Ji-Hyun Um
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Display screen or portion thereof with graphical user interface
Patent number
D745052
Issue date
Dec 8, 2015
Samsung Electronics Co., Ltd.
Ji-Hyun Um
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Display screen or portion thereof with icon
Patent number
D729272
Issue date
May 12, 2015
Samsung Electronics Co., Ltd.
Ji-Hyun Um
D14 - Recording, communication, or information retrieval equipment
Patents Applications
last 30 patents
Information
Patent Application
ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS,...
Publication number
20250107438
Publication date
Mar 27, 2025
DuPont Specialty Materials Korea Ltd.
Ji-Won UM
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PLURALITY OF HOST MATERIALS, ORGANIC ELECTROLUMINESCENT COMPOUND, A...
Publication number
20240224794
Publication date
Jul 4, 2024
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Ga-Won LEE
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PLURALITY OF HOST MATERIALS, ORGANIC ELECTROLUMINESCENT COMPOUND, A...
Publication number
20230320207
Publication date
Oct 5, 2023
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Hyun KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
THERAPEUTIC AGENT FOR BLOOD CANCER
Publication number
20230192752
Publication date
Jun 22, 2023
Aptabio Therapeutics Inc.
Sung Hwan Moon
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT COMPOUND, A PLURALITY OF HOST MATERIALS,...
Publication number
20220263031
Publication date
Aug 18, 2022
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Ji-Won UM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
AUDIO CONTENT PLAYBACK METHOD AND APPARATUS FOR PORTABLE TERMINAL
Publication number
20220014863
Publication date
Jan 13, 2022
Samsung Electronics Co., Ltd.
Jung-Mi LEE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
A PLURALITY OF HOST MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICE...
Publication number
20210359216
Publication date
Nov 18, 2021
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Bitnari KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT COMPOUND AND ORGANIC ELECTROLUMINESCENT...
Publication number
20210175433
Publication date
Jun 10, 2021
ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
Hyun Kim
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
AUDIO CONTENT PLAYBACK METHOD AND APPARATUS FOR PORTABLE TERMINAL
Publication number
20200396556
Publication date
Dec 17, 2020
SAMSUNG ELECTRONICS CO., LTD.
Jung-Mi LEE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AUDIO CONTENT PLAYBACK METHOD AND APPARATUS FOR PORTABLE TERMINAL
Publication number
20200059746
Publication date
Feb 20, 2020
Samsung Electronics Co., Ltd.
Jung-Mi LEE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AUDIO CONTENT PLAYBACK METHOD AND APPARATUS FOR PORTABLE TERMINAL
Publication number
20170230775
Publication date
Aug 10, 2017
Samsung Electronics Co., Ltd.
Jung-Mi LEE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INTERNAL VOLTAGE GENERATION CIRCUIT
Publication number
20170003703
Publication date
Jan 5, 2017
SK HYNIX INC.
Ji-Yong UM
G05 - CONTROLLING REGULATING
Information
Patent Application
AUDIO CONTENT PLAYBACK METHOD AND APPARATUS FOR PORTABLE TERMINAL
Publication number
20140192986
Publication date
Jul 10, 2014
Samsung Electronics Co., Ltd.
Jung-Mi LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE