Gyung-Sik Choi

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Hwaseong, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing column spacer
- Patent number 10,859,907
- Issue date Dec 8, 2020
- Rohm and Haas Electronic Materials Korea Ltd.
- Yeonok Kim
- G02 - OPTICS
Information Patent Grant
Photosensitive resin composition and cured film prepared therefrom
- Patent number 10,656,520
- Issue date May 19, 2020
- Rohm and Haas Electronic Materials Korea Ltd.
- Hyung-Tak Jeon
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
COLORED PHOTOSENSITIVE RESIN COMPOSITION AND LIGHT SHIELDING SPACER...
- Publication number 20200299236
- Publication date Sep 24, 2020
- Rohm and Haas Electronic Materials Korea Ltd.
- Seok-Bong Park
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PHOTOSENSITIVE RESIN COMPOSITION AND CURED FILM PREPARED THEREFROM
- Publication number 20180373144
- Publication date Dec 27, 2018
- Rohm and Haas Electronic Materials Korea Ltd.
- Hyung-Tak Jeon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR PREPARING COLUMN SPACER
- Publication number 20180321535
- Publication date Nov 8, 2018
- Rohm and Haas Electronic Materials Korea Ltd.
- Yeonok Kim
- G02 - OPTICS
Information Patent Application
COLORED PHOTOSENSITIVE RESIN COMPOSITION AND LIGHT SHIELDING SPACER...
- Publication number 20180305313
- Publication date Oct 25, 2018
- Rohm and Haas Electronic Materials Korea Ltd.
- Seok-Bong Park
- C07 - ORGANIC CHEMISTRY