Inventor
CHAN WILLIAM CHI YUEN
SG7 patents
⚠️ This page may combine multiple inventors who share the name “CHAN WILLIAM CHI YUEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VISA INT SERVICE ASS
5 patentsUS9330386B2May 3, 2016
Device, system and method for reducing an interaction time for a contactless transaction
VISA INT SERVICE ASS14 citations91
US7798394B2Sep 21, 2010
Device, system and method for reducing an interaction time for a contactless transaction
VISA INT SERVICE ASS19 citations91
US9613354B2Apr 4, 2017
Device, system and method for reducing an interaction time for a contactless transaction
VISA INT SERVICE ASS1 citations61
US10043177B2Aug 7, 2018
Device, system and method for reducing an interaction time for a contactless transaction
VISA INT SERVICE ASS0 citations50
US9324069B2Apr 26, 2016
Transit access apparatus and method including device authentication
VISA INT SERVICE ASS0 citations45