William Chi Yuen Chan

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Device, system and method for reducing an interaction time for a co...
- Patent number 10,043,177
- Issue date Aug 7, 2018
- Visa International Service Association
- Trudy Hill
- G07 - CHECKING-DEVICES
Information Patent Grant
Device, system and method for reducing an interaction time for a co...
- Patent number 9,613,354
- Issue date Apr 4, 2017
- Visa International Service Association
- Trudy Hill
- G07 - CHECKING-DEVICES
Information Patent Grant
Device, system and method for reducing an interaction time for a co...
- Patent number 9,330,386
- Issue date May 3, 2016
- Visa International Service Association
- Trudy Hill
- G07 - CHECKING-DEVICES
Information Patent Grant
Transit access apparatus and method including device authentication
- Patent number 9,324,069
- Issue date Apr 26, 2016
- Visa International Service Association
- William Chi Yuen Chan
- G07 - CHECKING-DEVICES
Information Patent Grant
Transit access system and method including device authentication
- Patent number 8,915,431
- Issue date Dec 23, 2014
- Visa International Service Association
- William Chi Yuen Chan
- G07 - CHECKING-DEVICES
Information Patent Grant
Device, system and method for reducing an interaction time for a co...
- Patent number 8,770,476
- Issue date Jul 8, 2014
- Visa International Service Association
- Trudy Hill
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
DEVICE, SYSTEM AND METHOD FOR REDUCING AN INTERACTION TIME FOR A CO...
- Publication number 20170161723
- Publication date Jun 8, 2017
- Trudy Hill
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVICE, SYSTEM AND METHOD FOR REDUCING AN INTERACTION TIME FOR A CO...
- Publication number 20160260092
- Publication date Sep 8, 2016
- VISA INTERNATIONAL SERVICE ASSOCIATION
- Trudy Hill
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TRANSIT ACCESS SYSTEM AND METHOD INCLUDING DEVICE AUTHENTICATION
- Publication number 20150073883
- Publication date Mar 12, 2015
- William Chi Yuen Chan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DEVICE, SYSTEM AND METHOD FOR REDUCING AN INTERACTION TIME FOR A CO...
- Publication number 20140246492
- Publication date Sep 4, 2014
- VISA INTERNATIONAL SERVICE ASSOCIATION
- Trudy Hill
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR CROSS-BORDER STORED VALUE PAYMENT
- Publication number 20130138561
- Publication date May 30, 2013
- William Chi Yuen Chan
- G06 - COMPUTING CALCULATING COUNTING