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:
Jan. 27, 2026
Filed:
May. 10, 2024
Denso Corporation, Kariya, JP;
Yasuharu Sugano, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
By a certification verification device, a certification verification method, or a non-transitory computer-readable storage medium storing a certification verification program, a certification is received from an authentication request device and first date and time information that is time and date information from a date and time distribution device, the first date and time information is stored, a generated or received log is stored, it is verified whether the certification has expired using the first date and time information, and use second date and time information associated with the stored log is used to verify whether the certification has expired.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile