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:
Mar. 16, 2021
Filed:
Aug. 31, 2016
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Abstract
A map information management system includes a map company exclusive application data management device that confirms data authenticity from encrypted data obtained from a dynamic map data management device and generates encrypted data from added map company exclusive application data to dynamic map data by a map company exclusive secret key, and an automotive data management device that obtains added map company exclusive application data to dynamic map data from the map company exclusive application data management device, confirms data authenticity that is added map company exclusive application data to dynamic map data with using a map company exclusive application data public key, and generates encrypted data from data with automotive company exclusive application data by an automotive company exclusive application data secret key. When providing map information via plural organizations, the map information management system prevents data alteration and confirms data authenticity of the map information.