Inventor · disambiguated record
Weichao Tan
Also filed as: TAN WEICHAO
1 granted patent·2 pending applications·121 citations·filing 2002–2004
54Inventor score
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3 records- 0188US6871789B2Document printed with graphical symbols which encode informationENSEAL SYSTEMS LTD·Filed 2002·Granted Mar 29, 2005·121 cites·30 claims
- 0235US2006210138A1Verification of authenticity of check dataHILTON DAVID·Filed 2004·Application pending·0 cites
- 0334US2005147296A1Method of detecting counterfeit documents by profiling the printing processFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →