Guangyin Zhang

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Tianjin City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Doubly doped lithium niobate crystals
- Patent number 6,835,368
- Issue date Dec 28, 2004
- Nankai University
- Yongfa Kong
- G11 - INFORMATION STORAGE
Information Patent Grant
Only-readable three-dimensional optical storage device
- Patent number 6,738,337
- Issue date May 18, 2004
- Nankai University
- Jingjun Xu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Only -readable three-dimensional optical storage device
- Publication number 20020018429
- Publication date Feb 14, 2002
- NANKAI UNIVERSITY
- Jingjun Xu
- G11 - INFORMATION STORAGE
Information Patent Application
Doubly doped lithium niobate crystals
- Publication number 20020009405
- Publication date Jan 24, 2002
- NANKAI UNIVERSITY
- Yongfa Kong
- C01 - INORGANIC CHEMISTRY