Data processing method, system and apparatus for processing a variety of demands from a service provider

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7178040
SERIAL NO

11356588

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An IC card issuer issues an IC card and requests a card memory area operator to lend part of a memory area of the IC card to another card memory area user. The card memory area operator provides a memory area division apparatus and various data to the memory area division apparatus under the control of an operator communication apparatus 12. The card memory area user divides the memory area of the IC card into a memory area to be used by the IC card issuer and a memory area to be used by the card memory area user. The operation file registration apparatus writes file data for the card memory area user to the memory area of the card memory area user obtained by the above division.

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Patent Owner(s)

Patent OwnerAddress
SONY CORPORATION7-35 KITASHINAGAWA 6-CHOME SHINAGAWA-KU TOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kusakabe, Susumu Kanagawa, JP 65 1358
Morita, Tadashi Aichi, JP 151 1783
Sasaki, Masachika Kanagawa, JP 17 235
Takada, Masayuki Tokyo, JP 109 2690

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