Hyung-Rak Lee

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Yeongcheon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Wafer polishing apparatus
- Patent number 8,915,770
- Issue date Dec 23, 2014
- LG Siltron, Inc.
- Hyung-Rak Lee
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Wafer Polishing Apparatus
- Publication number 20110171886
- Publication date Jul 14, 2011
- Hyung-Rak Lee
- B24 - GRINDING POLISHING