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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.:

US 12574212 B1

PDFFull Text
Date of Patent:
Mar. 10, 2026

Filed:

Mar. 04, 2024

Information processing system, information processing method, and non-transitory storage medium for exchanging and comparing an encrypted key, encrypted data, and a hash value of the encrypted data via a distributed ledger platform

Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventor:

Sho Nakatani, Chiyoda-ku, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

Attorney:

Finnegan, Henderson, Farabow, Garrett, and Dunner, LLP

Primary Examiner:

William J Goodchild

Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0819 (2013.01); H04L 9/3236 (2013.01);
Abstract

Provided is an information processing system that mediates a data transaction between a data provider (DP) and a data consumer (DC), the information processing system including a control unit that inseparably executes making an encryption key for encrypted data obtained by encrypting data exchanged between the data provider and the data consumer available to the data consumer, or causing the data consumer to actually obtain the encryption key, and recording transaction complete between the data provider and the data consumer.

Find Patent Forward Citations

Nakatani, Sho. (2026). Information processing system, information processing method, and non-transitory storage medium for exchanging and comparing an encrypted key, encrypted data, and a hash value of the encrypted data via a distributed ledger platform (U.S. Patent No. 12574212). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12574212

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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