Soo-Il Cha

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
PCD milling cutter for lens processing
- Patent number 9,073,132
- Issue date Jul 7, 2015
- In-Sun Cha
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
PCD MILLING CUTTER FOR LENS PROCESSING
- Publication number 20140119843
- Publication date May 1, 2014
- In-Sun Cha
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD OF MANUFACTURING ENDMILL TOOL
- Publication number 20140033616
- Publication date Feb 6, 2014
- In-Sun CHA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR