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. 13, 2007
Filed:
Feb. 15, 2006
Masayuki Takada, Tokyo, JP;
Susumu Kusakabe, Kanagawa, JP;
Masachika Sasaki, Kanagawa, JP;
Tadashi Morita, Aichi, JP;
Masayuki Takada, Tokyo, JP;
Susumu Kusakabe, Kanagawa, JP;
Masachika Sasaki, Kanagawa, JP;
Tadashi Morita, Aichi, JP;
Sony Corporation, Tokyo, JP;
Abstract
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 apparatusThe 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.