The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 2021
Filed:
Apr. 06, 2020
Advanced New Technologies Co., Ltd., Grand Cayman, KY;
Hui Huang, Hangzhou, CN;
Zhenyu Zhang, Hangzhou, CN;
ADVANCED NEW TECHNOLOGIES CO., LTD., Grand Cayman, KY;
Abstract
A method includes sending an encrypted first hash value set to a data provider; receiving an encrypted second hash value set and a double-encrypted first hash value set from the data provider; re-encrypting the received encrypted second hash value set to obtain a double-encrypted second hash value set; calculating an intersection of the double-encrypted first hash value set and the double-encrypted second hash value set to determine one or more shared users shared with the data provider; and recommending or providing a service to the one or more shared users.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile