Inventor · disambiguated record
Chengwu Gu
Also filed as: GU CHENGWU
4 granted patents·2 pending applications·5 citations·filing 2001–2014
60Inventor score
Files withSHENZHEN SYSCAN TECHNOLOGY CO4SHENZHEN BROADZONE INTELLIGENCE TECH CO LTD1SYSCAN TECHNOLOGY SHENZHEN CO1
Top patents by PatentIndex Score
6 records- 0149US7386189B2Scanning device with a positioning sensor and a corresponding processing method to obtain imagesSHENZHEN SYSCAN TECHNOLOGY CO·Filed 2004·Granted Jun 10, 2008·1 cites·19 claims
- 0249US7175091B2Insert-type barcode readerSHENZHEN SYSCAN TECHNOLOGY CO·Filed 2004·Granted Feb 13, 2007·4 cites·9 claims
- 0348US2007084933A1Information Card with Multiple Storage Media and a Device and Method for Reading and Writing Information in Said CardSHENZHEN SYSCAN TECHNOLOGY CO·Filed 2006·Application pending·0 cites
- 0442US2005092844A1Information card with multiple storage media and a device and method for reading and writing information in said cardSHENZHEN SYSCAN TECHNOLOGY CO·Filed 2004·Application pending·0 cites
- 0538US6603108B2Image sensing modules for portable optical scannersSYSCAN TECHNOLOGY SHENZHEN CO·Filed 2001·Granted Aug 5, 2003·0 cites·4 claims
- 0624US9457979B2Banknote pressing deviceSHENZHEN BROADZONE INTELLIGENCE TECH CO LTD·Filed 2014·Granted Oct 4, 2016·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →