Patent Assignment
Reel/Frame 010629/0549
Assignment of Assignor's Interest
Recorded: 2000-01-19
Pages: 5
Assignors
DWORK, CYNTHIA
Executed: 2000-01-03
RAVIKUMAR, SHANMUGASUNDARAM
Executed: 1999-12-22
SAHAI, AMIT
Executed: 1999-02-24
Assignee
INTERNATIONAL BUSINESS MACHINES CORPORATION
NEW ORCHARD ROAD, ARMONK, NEW YORK, 10504
Covered Property
(1)
Digital Signature System and Method Based on Hard Lattice Problem
Patent:
7,237,116 →
Application:
09/487,502 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Date Executed by Assignor, Amit Sahai Previously Recorded on Reel 010629 Frame 0549. Assignor(S) Hereby Confirms the Assignor, Amit Sahai's Date of Execution Is 12/24/1999.
Dec 10, 2014
From: DWORK, CYNTHIA; RAVIKUMAR, SHANMUGASUNDARAM; SAHAI, AMIT
To: INTERNATIONAL BUSINESS MACHINES CORPORATION
Reel/Frame 034590/0039 →
Assignment of Assignor's Interest
Mar 17, 2015
From: INTERNATIONAL BUSINESS MACHINES CORPORATION
To: RAKUTEN, INC.
Reel/Frame 035176/0403 →