Inventor · disambiguated record
Wai Cheung
Also filed as: CHEUNG WAI · CHEUNG WAI QUIN
2 granted patents·2 pending applications·83 citations·filing 2003–2007
68Inventor score
Top patents by PatentIndex Score
4 records- 0183US6802450B2Guiding a scanning device to decode 2D symbolsSHENZHEN SYSCAN TECHNOLOGY CO·Filed 2003·Granted Oct 12, 2004·52 cites·15 claims
- 0276US7028911B2Methods and systems for encoding and decoding data in 2D symbologySHENZHEN SYSCAN TECHNOLOGY CO·Filed 2003·Granted Apr 18, 2006·31 cites·29 claims
- 0342US2007272755A1Two-directional bar code symbol and its encoding & decoding methodSHENZHEN SYSCAN TECHNOLOGY CO·Filed 2007·Application pending·0 cites
- 0441US2009146961A1Digital image editing interfaceCHEUNG DAVID SHUN-CHI·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →