Storage-medium processing method, a storage-medium processing apparatus, and a storage-medium processing program

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United States of America Patent

PATENT NO 8731202
SERIAL NO

13369348

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Abstract

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Spread of a forged storage medium is prevented suppressing an authentic storage medium's damage and trouble of a owner to the minimum. When there is an update request of user key data, the update history of the user key data concerning the shown above-mentioned medium identifier IDm is referred to. When judged that the update of the user key data concerning the shown medium identifier IDm not being performed within a predetermined period, the update of user key data is performed. The request of a update is refused when judged that the update of the user key data concerning the shown medium identifier IDm being performed within a predetermined period.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA TOSHIBAMINATO-KU TOKYO 105-0023

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kasahara, Akihiro Sanbu-gun, JP 114 1765
Miura, Akira Sagamihara, JP 170 1826
Suu, Hiroshi Chigasaki, JP 47 720

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