RICH-TECH HK LIMITED

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tri-state delta codec method and system
- Patent number 7,098,816
- Issue date Aug 29, 2006
- Rich-Tech HK Limited
- Yu Chau Ng
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
TRI-STATE DELTA CODEC METHOD AND SYSTEM
- Publication number 20050275574
- Publication date Dec 15, 2005
- RICH-TECH HK LIMITED
- Yu Chau Ng
- H03 - BASIC ELECTRONIC CIRCUITRY

Trademarklast 30 trademarks