Ying-Feng Lv

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ShenZhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for encoding and decoding data in 2D symbology
- Patent number 7,028,911
- Issue date Apr 18, 2006
- Shenzhen Syscan Technology Co. Limited
- Wai Cheung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Guiding a scanning device to decode 2D symbols
- Patent number 6,802,450
- Issue date Oct 12, 2004
- Shenzhen Syscan Technology Co. LTD
- Wai Cheung
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Methods and systems for encoding and decoding data in 2D symbology
- Publication number 20040026510
- Publication date Feb 12, 2004
- ShenZhen SYSCAN Technology Co., Limited.
- Wai Cheung
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Guiding a scanning device to decode 2D symbols
- Publication number 20040026511
- Publication date Feb 12, 2004
- ShenZhen SYSCAN Technology Co., Limited.
- Wai Cheung
- G06 - COMPUTING CALCULATING COUNTING