Inventor · disambiguated record
William Chi Yuen Chan
Also filed as: CHAN WILLIAM · CHAN WILLIAM CHI YUEN
9 granted patents·5 pending applications·51 citations·filing 2006–2023
86Inventor score
Files withVISA INT SERVICE ASS5AUTOGRAPHY LLC4CHAN WILLIAM CHI YUEN2HILL TRUDY1MASTERCARD ASIA PACIFIC PTE LTD1
Top patents by PatentIndex Score
14 records- 0192US9330386B2Device, system and method for reducing an interaction time for a contactless transactionVISA INT SERVICE ASS·Filed 2014·Granted May 3, 2016·14 cites·20 claims
- 0289US7798394B2Device, system and method for reducing an interaction time for a contactless transactionVISA INT SERVICE ASS·Filed 2006·Granted Sep 21, 2010·19 cites·16 claims
- 0379US8770476B2Device, system and method for reducing an interaction time for a contactless transactionHILL TRUDY·Filed 2010·Granted Jul 8, 2014·4 cites·20 claims
- 0478US9141959B2Method and system for replaying a voice message and displaying a signed digital photograph contemporaneouslyAUTOGRAPHY LLC·Filed 2012·Granted Sep 22, 2015·9 cites·13 claims
- 0576US9613354B2Device, system and method for reducing an interaction time for a contactless transactionVISA INT SERVICE ASS·Filed 2016·Granted Apr 4, 2017·1 cites·20 claims
- 0670US8915431B2Transit access system and method including device authenticationCHAN WILLIAM CHI YUEN·Filed 2010·Granted Dec 23, 2014·4 cites·21 claims
- 0765US10043177B2Device, system and method for reducing an interaction time for a contactless transactionVISA INT SERVICE ASS·Filed 2017·Granted Aug 7, 2018·0 cites·18 claims
- 0861US9324069B2Transit access apparatus and method including device authenticationVISA INT SERVICE ASS·Filed 2014·Granted Apr 26, 2016·0 cites·21 claims
- 0959US10706305B2Method and system for replaying a voice message and displaying a signed digital photograph contemporaneouslyAUTOGRAPHY LLC·Filed 2019·Granted Jul 7, 2020·0 cites·5 claims
- 1059US2015088737A1Method for electrically personalizing a payment chip and a payment chipMASTERCARD ASIA PACIFIC PTE LTD·Filed 2014·Application pending·0 cites
- 1159US2024303673A1Memory reduction in fraud detection model performance optimization using compressed dataMASTERCARD INTERNATIONAL INC·Filed 2023·Application pending·0 cites
- 1253US2018268231A1Method and system for replaying a voice message and displaying a signed digital photograph contemporaneouslyAUTOGRAPHY LLC·Filed 2018·Application pending·0 cites
- 1347US2015356363A1Method and system for replaying a voice message and displaying a signed digital photograph contemporaneouslyAUTOGRAPHY LLC·Filed 2015·Application pending·0 cites
- 1445US2013138561A1Method and system for cross-border stored value paymentCHAN WILLIAM CHI YUEN·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →