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:
Aug. 31, 2022
Toyota Motor North America, Inc., Plano, TX (US);
Stephen Paul Mcfarland, Jr., Allen, TX (US);
Mark R. Klausner, San Diego, CA (US);
TOYOTA MOTOR NORTH AMERICA, INC., Plano, TX (US);
Toyota Jidosha Kabushiki Kaisha, Aichi-Ken, JP;
Abstract
An example operation includes providing by a first electronic control unit (ECU) a fixed private key of a vehicle to a server; generating by the first ECU a limited life certificate based on the fixed private key, wherein the first ECU acts as a certificate authority; and providing the limited life certificate to a second ECU within the vehicle to allow the second ECU to securely communicate with the server.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile