Choul-gue PARK

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Hwaseong-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for surface treatment of objects
- Patent number 9,669,516
- Issue date Jun 6, 2017
- Samsung Electronics Co., Ltd.
- Sung-Choul Lee
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing apparatus
- Patent number 9,421,662
- Issue date Aug 23, 2016
- Samsung Electronics Co., Ltd.
- Sung-choul Lee
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing head of a chemical and mechanical polishing apparatus for...
- Patent number 6,517,421
- Issue date Feb 11, 2003
- Samsung Electronics Co., Ltd.
- Choul-Gue Park
- B24 - GRINDING POLISHING
Information Patent Grant
Chemical-mechanical polishing apparatus and method
- Patent number 6,336,846
- Issue date Jan 8, 2002
- Samsung Electronics Co., Ltd.
- Choul-gue Park
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
POLISHING APPARATUS
- Publication number 20150087210
- Publication date Mar 26, 2015
- Samsung Electronics Co., Ltd.
- Sung-choul LEE
- B24 - GRINDING POLISHING
Information Patent Application
Apparatus and method for surface treatment of objects
- Publication number 20140106650
- Publication date Apr 17, 2014
- Samsung Electronics Co., Ltd.
- Sung-Choul Lee
- B24 - GRINDING POLISHING
Information Patent Application
Polishing head of a chemical and mechanical polishing apparatus for...
- Publication number 20010034199
- Publication date Oct 25, 2001
- Choul-Gue Park
- B24 - GRINDING POLISHING