Charles Chunzhe Yu

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Painted Post, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Projection lithography photomask blanks, preforms and method of making
- Patent number 6,783,898
- Issue date Aug 31, 2004
- Corning Incorporated
- George Edward Berkey
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Projection lithography photomask blanks, preforms and methods of ma...
- Patent number 6,265,115
- Issue date Jul 24, 2001
- Corning Incorporated
- George Edward Berkey
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Projection lithography photomask blanks, preforms and method of making
- Publication number 20010027025
- Publication date Oct 4, 2001
- George Edward Berkey
- C03 - GLASS MINERAL OR SLAG WOOL