Patents/Inventors

Hitoshi Takeshita

TokyoJP10 patents

11 Patents

US125559712026
Light Amplification Device, Light Transmission System, and Light Amplification Method
NEC CORPORATION
0 cites
US124570362025
Transmission Direction Determination Apparatus, Transmission Direction Determination Method, Recording Medium, and Transmission Direction Determination Module
NEC CORPORATION
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US123748512025
Optical Amplification Apparatus and Optical Amplification Method
NEC CORPORATION
0 cites
US123752012025
Optical Amplifier, Optical Amplifier Controlling Method, and Optical Transmission System
NEC CORPORATION
0 cites
US122895682025
Optical Network Management Apparatus and Method of Allocating Optical Frequency Band
NEC CORPORATION
0 cites
US121705392024
Optical Network System, Optical Node Device, and Optical Network Control Method
NEC CORPORATION
0 cites
US120955072024
Multi-layer Network System and Path Setting Method in Multi-layer Network
NEC CORPORATION
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US120278132024
Optical Amplifier and Optical Amplification Method
NEC CORPORATION
0 cites
US118816752024
Optical Amplification Device, Optical Transmission System, and Optical Amplification Method
NEC CORPORATION
0 cites
US117368392023
Optical Network Management Apparatus and Method of Allocating Optical Frequency Band
NEC CORPORATION
0 cites
US116525462023
Optical Network System, Optical Node Device, and Optical Network Control Method
NEC CORPORATION
0 cites