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:
Jul. 07, 2020
Filed:
Dec. 13, 2016
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Hidefumi Maruyama, Mishima, JP;
Assignee:
FUJITSU LIMITED, Kawasaki-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 29/06 (2006.01); H04L 9/00 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0891 (2013.01); H04L 9/006 (2013.01); H04L 9/3247 (2013.01); H04L 9/3268 (2013.01); H04L 63/045 (2013.01); H04L 63/0428 (2013.01); H04L 63/062 (2013.01); H04L 63/0823 (2013.01); H04L 63/0869 (2013.01); H04L 63/126 (2013.01); H04L 2463/062 (2013.01);
Abstract
A computer-readable recording medium storing an update program is disclosed. An issuing request of a second public key certificate is sent to a server under a secure connection to the server using a first public key certificate. The second public key certificate is received from the server. A connection confirmation using the second public key certificate is conducted, when a validity date of the first public key certificate lapses.