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:
Mar. 31, 2009
Filed:
Jan. 28, 2003
Mitsuru Sato, Kawasaki, JP;
Naoyasu Terao, Kawasaki, JP;
Mitsuru Sato, Kawasaki, JP;
Naoyasu Terao, Kawasaki, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A mailing list server sends mail encrypted by an encryption method compatible with the mail user agent device likely to receive the mail. A mailing list serverreceives a signed mail from a member and registers and manages the SMIMECapabilities of that mail in a members' encryption function mapA mail-receiving partverifies the signature on a mail received from a member using the member's certificate and decrypts the mail. A mail-distributing partsigns and encrypts mail for distribution and distributes it to members' mail addresses. A symmetric encryption key to be used for the encryption is determined for each member with reference to the members' encryption function map