Wen-Cheng Tsai

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Yung-Ho City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Card reading device
- Patent number 6,994,260
- Issue date Feb 7, 2006
- Singim International Corporation
- Wen-Cheng Tsai
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Card reading device
- Publication number 20050103845
- Publication date May 19, 2005
- Wen-Cheng Tsai
- G06 - COMPUTING CALCULATING COUNTING