Patent Assignment
Reel/Frame 013714/0352
Assignment of Assignor's Interest
Recorded: 2003-01-24
Pages: 2
Assignor
AKASAKA, YOUICHI
Executed: 2003-01-08
Assignee
SPRINT COMMUNICATIONS COMPANY, L.P.
6391 SPRINT PARKWAY, OVERLAND PARK, KANSAS, 66251
Covered Property
(1)
Optical Signal Amplification Using Multiple Backward-Pumping Systems
Patent:
7,038,839 →
Application:
10/350,493 →
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 →