Po-Chung Hung

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Pan Chiao City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Optical interference reflective element and repairing and manufactu...
- Patent number 6,980,350
- Issue date Dec 27, 2005
- Prime View International Co., Ltd.
- Po-Chung Hung
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Optical interference reflective element and repairing and manufactu...
- Publication number 20050202649
- Publication date Sep 15, 2005
- Po-Chung Hung
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS