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. 29, 2022
Filed:
Jul. 16, 2019
Applicant:
Denso Corporation, Kariya, JP;
Inventors:
Daisuke Kaji, Kariya, JP;
Yohei Ooka, Kariya, JP;
Assignee:
DENSO CORPORATION, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/00 (2019.01); G06F 11/14 (2006.01); G06F 16/21 (2019.01);
U.S. Cl.
CPC ...
G06F 11/1469 (2013.01); G06F 16/219 (2019.01); G06F 2201/84 (2013.01);
Abstract
A history management method for managing history information of multiple vehicles using blockchains is provided. The history management method includes generating a master block from history information collected in a vehicle, setting a node serving as a storage destination of a backup block of the master block per block, storing, together with the master block, backup blocks that are different in history information collecting vehicle from the master block in a block storage unit, and sending the backup block for a particular vehicle requested in a recovery request.