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:
May. 12, 2009
Filed:
Sep. 26, 2002
Hiroshi Satomi, Kanagawa, JP;
Satoshi Igeta, Kanagawa, JP;
Atsushi Inoue, Tokyo, JP;
Satoshi Watanabe, Tokyo, JP;
Kenichiro Matsuura, Kanagawa, JP;
Hiroshi Satomi, Kanagawa, JP;
Satoshi Igeta, Kanagawa, JP;
Atsushi Inoue, Tokyo, JP;
Satoshi Watanabe, Tokyo, JP;
Kenichiro Matsuura, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A server apparatus which retains a data file transferred from a predetermined user through a network and provides an access service for the data file through the network is disclosed, in which unauthorized access to the data file can be prevented with a low processing load. When the third party is permitted to access the data file, the server apparatus according to this invention encrypts and generates an access code required for access on the basis of information managed in the server apparatus to specify the data file.