Authentication method and system using IC card

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6076164
SERIAL NO

08921249

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and system for authenticating between a user or client and a network access entity such as a server or another client using an IC card. The method includes a step of executing an initial authentication using the IC card when the user first communicates with the network access entity, a step of commonly holding authentication information in both the user and the network access entity if the initial authentication achieves success, and a step of executing a re-authentication using the commonly held authentication information without using the IC card when the user communicates again with the same network access entity within a predetermined period of time after the last authentication.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
KDDI CORPORATIONTOKYO236

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hada, Satoshi Tokyo, JP 86 1102
Tanaka, Toshiaki Tokyo, JP 306 5192
Yamada, Mitsuru Tokyo, JP 22 145

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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MITSUBISHI DENKI KABUSHIKI KAISHA (1)
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SECURITY DYNAMICS TECHNOLOGIES, INC. (1)
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* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
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MICROSOFT TECHNOLOGY LICENSING, LLC (7)
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* Cited By Examiner