Ruan Shiping

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electronic fluorescent display system
- Patent number 5,621,284
- Issue date Apr 15, 1997
- Pixtech, Inc.
- Ge Shichao
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electronic fluorescent display system
- Patent number 5,170,100
- Issue date Dec 8, 1992
- Hangzhou University
- Ge Shichao
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
High luminance color picture element tubes
- Patent number 4,737,683
- Issue date Apr 12, 1988
- Hangzhon University
- Ge Shichao
- H01 - BASIC ELECTRIC ELEMENTS