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. 14, 2022
Filed:
Mar. 11, 2019
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Ryo Kashiwagi, Tokyo, JP;
Osamu Nasu, Tokyo, JP;
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/30 (2006.01); H04L 9/40 (2022.01);
U.S. Cl.
CPC ...
H04L 63/0428 (2013.01); H04L 9/30 (2013.01);
Abstract
A data management device () includes an insertion position determiner () to determine an insertion position of dummy data to be inserted into transmission target data, a dummy data inserter () to insert the dummy data in the insertion position of the transmission target data to create dummy-inserted data, an insertion position encryptor () to encrypt data indicating the insertion position with a public key (PUBa) to create insertion-position-encrypted data; and a deliverer () to deliver the dummy-inserted data and the insertion-position-encrypted data.