DOOSAN DND CO., LTD

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ANSAN-CITY, KR

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Patents Grantslast 30 patents

Information Patent Grant
Loading device for chemical mechanical polisher of semiconductor wafer
- Patent number 7,338,353
- Issue date Mar 4, 2008
- Doosan DND Co., Ltd.
- Jung Hoon Lee
- B24 - GRINDING POLISHING
Information Patent Grant
Carrier head for chemical mechanical polishing apparatus
- Patent number 7,121,934
- Issue date Oct 17, 2006
- Doosan DND Co., Ltd.
- Taek-Soo Jung
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
LOADING DEVICE FOR CHEMICAL MECHANICAL POLISHER OF SEMICONDUCTOR WAFER
- Publication number 20070218817
- Publication date Sep 20, 2007
- DOOSAN DND CO., LTD.
- Jung Hoon Lee
- B24 - GRINDING POLISHING

Trademarklast 30 trademarks

Information Trademark
78489950 - UNICLEAN
- Serial number 78489950
- Registration number 3391765
- Filing date Sep 27, 2004
- Semicontech Corporation
- 7 - Machines and machine tools