Youngjoon Lee

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Patents Grantslast 30 patents

Information Patent Grant
Star polymer
- Patent number 7,423,102
- Issue date Sep 9, 2008
- Sumitomo Chemical Company, Limited
- Youngjoon Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Star polymer
- Publication number 20060014913
- Publication date Jan 19, 2006
- Sumitomo Chemical Company, Limited
- Youngjoon Lee
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Chemical amplification type positive resist composition
- Publication number 20050031984
- Publication date Feb 10, 2005
- Sumitomo Chemical Company, Limited
- Yoshiyuki Takata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY