Patent Assignment
Reel/Frame 061687/0168
Assignment of Assignor's Interest
Recorded: 2022-11-08
Pages: 6
Assignors
TAKESHITA, HITOSHI
Executed: 2021-08-20
MATSUMOTO, KEIICHI
Executed: 2021-08-24
YANAGIMACHI, SHIGEYUKI
Executed: 2021-10-08
Assignee
NEC CORPORATION
7-1, SHIBA 5-CHOME,, MINATO-KU,, TOKYO, 108-8001, JAPAN
Covered Property
(1)
Optical Amplification Device, Optical Transmission System, and Optical Amplification Method