Yong-Seok Ro

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method for assembling a polishing head and apparatus for detecting...
- Patent number 7,086,132
- Issue date Aug 8, 2006
- Samsung Electronics Co., Ltd.
- Bong Choi
- B24 - GRINDING POLISHING
Information Patent Grant
Method for assembling a polishing head and apparatus for detecting...
- Patent number 6,754,942
- Issue date Jun 29, 2004
- Samsung Electronics Co., Ltd.
- Bong Choi
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Method for assembling a polishing head and apparatus for detecting...
- Publication number 20040214513
- Publication date Oct 28, 2004
- Samsung Electronics Co., Ltd.
- Bong Choi
- B24 - GRINDING POLISHING
Information Patent Application
Method for assembling a polishing head and apparatus for detecting...
- Publication number 20030061865
- Publication date Apr 3, 2003
- Bong Choi
- G01 - MEASURING TESTING