This inventor holds 1 USPTO granted patent. Top assignees: Electric Power Research Institute, China Southern Powerr Grid, Guizhou Power Grid 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 1 
1 out of 4 Years Active: 2026
Title: Xin Wu and Blockchain-Based Timestamp Generation
Introduction
Xin Wu is an inventor associated with Guiyang, China. Her patent work addresses trusted timestamping and the protection of recorded information.
Latest Patents
Wu is associated with 1 patent: “Timestamp Generation Method and Apparatus, and Electronic Device and Storage Medium.” The invention describes calculating a hash of a file record, sending it to a random issuer for signing alongside the time it was received, and storing the resulting signature in a blockchain as the record’s timestamp. This approach is intended to reduce reliance on a traditional timestamp authority and help address the risk of recorded information being leaked.
Career Highlights
Wu’s listed professional affiliations include the Electric Power Research Institute, China Southern Power Grid, and Guizhou Power Grid Co., Ltd.
Collaborations
Her listed coworkers include Yi Luo and Jiaxiang Ou.
Conclusion
Xin Wu’s patent combines digital signatures and blockchain storage to provide an alternative approach to trusted timestamp generation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile