This inventor holds 7 USPTO granted patents and 1 published patent application. Top assignee: Visa International Service Association. Active years: 2010-2018.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hong Kong, CN (2010)
- Singapore, SG (2014 - 2018)
Company Filing History:
Years Active: 2010-2018
Title: Innovations by William Chi Yuen Chan in Contactless Transactions
Introduction
William Chi Yuen Chan is a prominent inventor based in Singapore, known for his significant contributions to the field of payment technologies. With a total of seven patents to his name, Chan has been a driving force behind innovations that enhance the user experience in contactless transactions.
Latest Patents
One of his latest innovations is a device, system, and method for reducing interaction time for a contactless transaction. This invention outlines intricate methods, devices, and systems that facilitate robust communication between a terminal reader and a payment device, such as a credit card. A key aspect of this system is the dynamic signature calculated on the payment device, which takes into account an application transaction counter, a terminal unpredictable number, and the transaction amount. This dynamic signature is crucial as it is sent alongside an application file locator (AFL) to the reader, ensuring that the transaction's integrity is maintained. While the transaction is being processed, the dynamic signature can be recalculated and compared with the original values from the payment device, providing an extra layer of security against any tampering.
Career Highlights
William Chi Yuen Chan currently works with Visa International Service Association, a global leader in payment technology. His expertise and innovative solutions have greatly contributed to the company's advancements in secure and efficient transaction processing, equipping consumers with seamless payment experiences.
Collaborations
Throughout his career, Chan has collaborated with notable colleagues, including Trudy Hill and Jagdeep Singh Sahota. These partnerships have fostered an environment of innovation, resulting in the successful development of cutting-edge payment solutions and enhancing the overall functionality of contactless payment systems.
Conclusion
William Chi Yuen Chan stands out as a significant figure in the realm of payment technology. His inventive solutions, particularly in the area of contactless transactions, continue to shape the industry, driving forward the evolution of secure and efficient payment methods. With a robust portfolio of patents, Chan remains a key player in pushing the boundaries of innovation in the financial technology sector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile