Jinghua Zhu

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Optical disk with erasable surface and manufacturing method thereof
- Patent number 7,289,418
- Issue date Oct 30, 2007
- Jinghua Zhu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical disk with erasable surface and manufacturing method thereof
- Publication number 20050094544
- Publication date May 5, 2005
- Jinghua Zhu
- G11 - INFORMATION STORAGE