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:
Jun. 17, 2025
Filed:
Sep. 02, 2022
Kabushiki Kaisha Toshiba, Tokyo, JP;
Ryuiti Koike, Kawasaki Kanagawa, JP;
Yurie Shinke, Kawasaki Kanagawa, JP;
Shinya Takumi, Tokyo, JP;
Jun Kanai, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
An information processing device, includes: a metadata generator generating, based on an update request of firmware, first metadata including identification of the firmware; a time manager; a validity period determiner determining a first validity period for the first metadata based on time acquired from the time manager; a counter counting up a value per unit time; an acquirer acquiring a first counter value of the counter for the first metadata; a storage storing entries in which second metadata including identification of firmware, a second validity period of the second metadata, and a second counter value of the counter having been acquired for the second metadata are associated; and a determiner detecting the second metadata including same identification as the first metadata, acquire the second validity period and the second counter value from the entry including the detected second metadata, and detecting falsification of the first validity period.