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:
Dec. 27, 2011
Filed:
May. 30, 2005
Applicants:
Tomoki Kubota, Tokyo, JP;
Seiichi Hiratsuka, Tokyo, JP;
Inventors:
Tomoki Kubota, Tokyo, JP;
Seiichi Hiratsuka, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Public-key cryptography is realized by means of PKI in which biometrics data, in which biological information of users is converted to numerical values, are used to authenticate users that transmit and receive data, and based on the biometrics data, identical secret keys (common secret keys) are generated in each of the user terminal devices that are used by the users without releasing the secret keys onto the network.