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:
Aug. 25, 2009
Filed:
Dec. 19, 2003
Masahisa Kawashima, Tokyo, JP;
Fumitaka Hoshino, Tokyo, JP;
Akiko Fujimura, Tokyo, JP;
Shingo Kinoshita, Tokyo, JP;
Masayoshi Nakao, Tokyo, JP;
Noriaki Saito, Tokyo, JP;
Yukio Tsuruoka, Tokyo, JP;
Katsumi Takahashi, Tokyo, JP;
Tsuyoshi Abe, Tokyo, JP;
Jun Miyake, Tokyo, JP;
Masahisa Kawashima, Tokyo, JP;
Fumitaka Hoshino, Tokyo, JP;
Akiko Fujimura, Tokyo, JP;
Shingo Kinoshita, Tokyo, JP;
Masayoshi Nakao, Tokyo, JP;
Noriaki Saito, Tokyo, JP;
Yukio Tsuruoka, Tokyo, JP;
Katsumi Takahashi, Tokyo, JP;
Tsuyoshi Abe, Tokyo, JP;
Jun Miyake, Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
A recipient identifier and communication condition information stored in a recipient-identifier storing unit are encrypted by an identifier-for-disclosure creating unit of a recipient terminal to create an identifier-for-disclosure. An identifier-for-disclosure notifying unit notifies a sender terminal of the identifier-for-disclosure. When a communication request using the identifier-for-disclosure is sent from the recipient terminal, a restoring unit of a relay system extracts the communication condition information from the identifier-for-disclosure. Only when communication conditions included in the communication condition information are satisfied, communication between the recipient terminal and the sender terminal is established.