Soon-Gi KWON

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Daegu-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Mask blank, photomask, and method for manufacturing same
- Patent number 9,389,500
- Issue date Jul 12, 2016
- S&S TECH Co., Ltd.
- Kee-Soo Nam
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blankmask and photomask using the same
- Patent number 8,846,276
- Issue date Sep 30, 2014
- S&S TECH Co., Ltd.
- Kee-Soo Nam
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
MASK BLANK, PHOTOMASK, AND METHOD FOR MANUFACTURING SAME
- Publication number 20150212403
- Publication date Jul 30, 2015
- S&S TECH CO., LTD.
- Kee-Soo NAM
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BLANKMASK AND PHOTOMASK USING THE SAME
- Publication number 20130095415
- Publication date Apr 18, 2013
- S&S TECH CO., LTD.
- Kee-Soo NAM
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY