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.

Date of Patent:
May. 21, 2019

Filed:

Jun. 28, 2016
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Jun Yajima, Kawasaki, JP;

Takayuki Hasebe, Kawasaki, JP;

Yasuhiko Abe, Niiza, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04W 12/12 (2009.01); H04L 29/06 (2006.01); G06F 21/00 (2013.01); H04L 9/32 (2006.01); H04W 12/06 (2009.01); H04W 4/04 (2009.01);
U.S. Cl.
CPC ...
H04L 63/0884 (2013.01); G06F 21/00 (2013.01); H04L 9/3226 (2013.01); H04L 9/3271 (2013.01); H04L 63/0869 (2013.01); H04L 63/0876 (2013.01); H04W 4/046 (2013.01); H04W 12/06 (2013.01); H04W 12/12 (2013.01);
Abstract

A communication relay device that is situated between a corresponding communication node and a bus in a communication network in which a plurality of communication nodes mutually perform a data communication through the bus. A storage configured to store therein pieces of identification information that are likely to be included in data transmitted by the corresponding communication node. A processor configured to perform first authentication processing between the communication relay device and a management device that is connected to the bus, and to perform second authentication processing according to a result of comparing identification information included in data transmitted by the corresponding communication node with the pieces of identification information stored in the storage. A transceiver configured to report, to the management device, a result of the second authentication processing when the first authentication processing has been successful.


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