Inventor
ONDA HIDETOSHI
JP4 patents
Patents
4 patentsUS11742976B2Aug 29, 2023
Optical branch insertion device and optical transmission system using optical branch insertion device
NIPPON TELEGRAPH & TELEPHONE1 citations59
US11251868B2Feb 15, 2022
Dispersion compensation system and dispersion compensation method
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11757554B2Sep 12, 2023
Optical branch insertion device and optical transmission system using optical branch insertion device
NIPPON TELEGRAPH & TELEPHONE0 citations48
US11652563B2May 16, 2023
Optical demultiplexer, optical separation device, optical transmission system, and optical transmission method
NIPPON TELEGRAPH & TELEPHONE0 citations48