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:
Sep. 15, 2009
Filed:
Oct. 30, 2003
Harumi Morino, Yokohama, JP;
Masataka Okayama, Fujisawa, JP;
Akira Tanaka, Kawasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A license servercomprises: a license table for managing licenses purchased by users; a communication control sectionfor transmitting/receiving data through a communications network; an authentication control sectionfor performs authentication processing for a terminal; an encryption/decryption control sectionfor encrypting/decrypting communications with the terminal; an issued temporary license information tablefor storing information on issued temporary licenses; and a return control sectionfor returning a temporary license and then deleting the information on the temporary license stored in the issued temporary license information table