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:
Nov. 11, 2025
Filed:
Oct. 28, 2021
Sony Group Corporation, Tokyo, JP;
Atsushi Uchida, Tokyo, JP;
Shinya Maruyama, Tokyo, JP;
SONY GROUP CORPORATION, Tokyo, JP;
Abstract
An information processing device includes a first recording unit, a verification unit, and a second recording unit. In response to a request from an information management device that manages data, the first recording unit records information regarding a browsing right of data in a blockchain. The verification unit verifies a zero-knowledge proof for proving that a user is a valid user who has been given the browsing right on the basis of the information regarding the browsing right written in the blockchain. The second recording unit records information regarding a verification result of the proof in the blockchain.