Keorock CHOI

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Incheon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for etching substrate, stamp for etching subst...
- Patent number 9,911,615
- Issue date Mar 6, 2018
- Industry-Academic Cooperation Foundation, Yonsei University
- Jungwoo Oh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods for etching substrate and semiconductor devices
- Patent number 9,437,441
- Issue date Sep 6, 2016
- Industry-Academic Cooperation Foundation, Yonsei University
- Jungwoo Oh
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
PHOTODIODE WITH ANTIREFLECTIVE AND HIGH CONDUCTIVE METAL-SEMICONDUC...
- Publication number 20210036170
- Publication date Feb 4, 2021
- UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
- Jungwoo OH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHODS FOR ETCHING SUBSTRATE AND SEMICONDUCTOR DEVICES
- Publication number 20160133478
- Publication date May 12, 2016
- Industry-Academic Cooperation Foundation, Yonsei University
- Jungwoo OH
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS AND METHOD FOR ETCHING SUBSTRATE, STAMP FOR ETCHING SUBST...
- Publication number 20160020112
- Publication date Jan 21, 2016
- Industry-Academic Cooperation Foundation, Yonsei University
- Jungwoo OH
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL