This inventor holds 1 USPTO granted patent. Top assignees: Beijing Eswin Computing Technology Co., Ltd., Haining Eswin Computing Technology Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 17 
1 out of 3 Years Active: 2026
Title: Ziming Yu and His Smart Card Data-Transmission Patent
Introduction
Ziming Yu is an inventor associated with City, China. His work includes a patent for technology designed to support reliable data transmission between a television chip and a smart card.
Latest Patents
Yu is credited with 1 patent: “Smart Card Interface, Data Transmission Method and Television Chip.” The invention describes an interface that caches indicator data used to determine a decryption key for a video stream and transmits that data sequentially to a smart card. It checks whether each item of indicator data has been received successfully and can retransmit data when needed. The interface also receives and caches key-data packets from the smart card. The described approach aims to improve transmission efficiency and reduce television-program playback buffering caused by data errors.
Career Highlights
Yu has been associated with Haining Eswin Computing Technology Co., Ltd. and Beijing Eswin Computing Technology Co., Ltd. His patent focuses on data handling for television-chip and smart-card systems.
Collaborations
Xin Liu is identified as Yu’s coworker.
Conclusion
Ziming Yu’s patent addresses reliable smart-card communication for video decryption, with the goal of improving data transmission and reducing playback interruptions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile