IP Library › Assignment 013916/0669
Patent Assignment
Reel/Frame 013916/0669

Assignment of Assignor's Interest

Recorded: 2003-03-26 Pages: 3
Assignor
AKASAKA, YOUICHI
Executed: 2003-03-24
Assignee
SPRINT COMMUNICATIONS COMPANY, L.P.
6391 SPRINT PARKWAY, OVERLAND PARK, KANSAS, 66251
Covered Property (1)
Distributed and Discrete Amplification of Optical Signals
Patent: 7,158,287 →
Application: 10/397,927 →
Publication: US 2004/0190118
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Grant of First Priority and Junior Priority Security Interest in Patent Rights Mar 6, 2017
From: SPRINT COMMUNICATIONS COMPANY L.P.
To: DEUTSCHE BANK TRUST COMPANY AMERICAS
Reel/Frame 041895/0210 →
Termination and Release of First Priority and Junior Priority Security Interest in Patent Rights Apr 2, 2020
From: DEUTSCHE BANK TRUST COMPANY AMERICAS
To: SPRINT COMMUNICATIONS COMPANY L.P.
Reel/Frame 052969/0475 →