Sung Ho Kwak

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Hwaseong, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for cleaning photomask
- Patent number 9,400,425
- Issue date Jul 26, 2016
- AP Systems Inc.
- Sung Ho Kwak
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR CLEANING PHOTOMASK
- Publication number 20140345646
- Publication date Nov 27, 2014
- AP SYSTEMS INC.
- Sung Ho Kwak
- B08 - CLEANING