Patent Assignment
Reel/Frame 018916/0497
Assignment of Assignor's Interest
Recorded: 2007-02-21
Pages: 4
Assignee
RICOH CO., LTD.
15-5 MINAMI AOYAMA 1-CHOME, MINATO-KU, TOKYO, 107-8544, JAPAN
Covered Property
(1)
Trustworthy Timestamps and Certifiable Clocks Using Logs Linked by Cryptographic Hashes