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:
Feb. 09, 2010
Filed:
Aug. 12, 2005
Keisuke Takeuchi, Kunitachi, JP;
Shuji Senoo, Tokyo, JP;
Keisuke Takeuchi, Kunitachi, JP;
Shuji Senoo, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A system for preventing spoofing to use a service provided on a network. The system holds correlation between a first identifier used by a user of a service provided on a network for first authentication for permitting a user to make connection to the network and a second identifier used for second authentication for permitting the user to use a service, holds correlation between a third identifier assigned to the user permitted to make connection to the network and the first identifier of the user, and checks the correlation between the second identifier and the third identifier contained in the packet for the second authentication.