Patent Assignment
Reel/Frame 055758/0316
Assignment of Assignor's Interest
Recorded: 2021-03-29
Pages: 5
Assignors
OKAMOTO, KEIJI
Executed: 2020-12-07
NAKAMURA, ATSUSHI
Executed: 2020-12-08
OSHIDA, HIROYUKI
Executed: 2020-12-08
Assignee
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
5-1, OTEMACHI 1-CHOME, CHIYODA-KU, TOKYO, 1008116, JAPAN
Covered Property
(1)
Backscattering Optical Amplification Device, Optical Pulse Testing Device, Backscattering Optical Amplification Method and Optical Pulse Testing Method