Gyo-Woog KOO

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Chungcheongnam-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Single type substrate treating apparatus and method
- Patent number 8,287,333
- Issue date Oct 16, 2012
- Semes Co., Ltd.
- Ki Hoon Choi
- B24 - GRINDING POLISHING
Information Patent Grant
Substrate supporting unit and single type substrate polishing appar...
- Patent number 8,113,918
- Issue date Feb 14, 2012
- Semes Co., Ltd.
- Gyo-Woog Koo
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
SUBSTRATE SUPPORTING UNIT AND SINGLE TYPE SUBSTRATE POLISHING APPAR...
- Publication number 20090325469
- Publication date Dec 31, 2009
- SEMES CO., LTD.
- Gyo-Woog KOO
- B24 - GRINDING POLISHING
Information Patent Application
Single Type Substrate Treating Apparatus and Method
- Publication number 20090305613
- Publication date Dec 10, 2009
- SEMES CO., LTD.
- Ki Hoon Choi
- B24 - GRINDING POLISHING