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. 08, 2017
Filed:
Sep. 28, 2012
Oki Electric Industry Co., Ltd., Tokyo, JP;
Oki Electric Industry Co., Ltd., Tokyo, JP;
Abstract
First communication units use a public key thereof certified by a certification authority on a PKI (Public Key Infrastructure), which is held by the first communication units in advance, and a secret key of the first communication units or delegation information generated by using secret information, as public key certificate, of the first communication units to thereby allow a proxy server to perform security processing, i.e. key exchange processing, authentication processing or processing for providing compatibility of encryption schemes, between the first communication units and a second communication unit on behalf of the first communication units.