6 Patents
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- US121012462024Failure Transfer Apparatus, Failure Transfer System, and Failure Transfer Method
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
0 cites - US119021372024Service Path Failure Location Estimation Method, Apparatus, and Program
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
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- US115460642023Optical Transmission System and Transmission Mode Selecting Method
Nippon Telegraph And Telephone Corporation
0 cites