Inventor
YAMANAKA SHOGO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA SHOGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
7 patentsUS9614621B2Apr 4, 2017
Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization system
NIPPON TELEGRAPH & TELEPHONE4 citations73
US9520947B2Dec 13, 2016
Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization system
NIPPON TELEGRAPH & TELEPHONE3 citations73
US11736202B2Aug 22, 2023
Optical receiver evaluation method and optical receiver evaluation apparatus
NIPPON TELEGRAPH & TELEPHONE0 citations61
US12176959B2Dec 24, 2024
High-speed optical transceiver
NIPPON TELEGRAPH & TELEPHONE1 citations60
US11646800B2May 9, 2023
Optical transmitter and method for controller optical transmitter
NIPPON TELEGRAPH & TELEPHONE0 citations51
US11509396B2Nov 22, 2022
Polarization multi/demultiplexed optical transceiver circuit
NIPPON TELEGRAPH & TELEPHONE0 citations50
US11493776B2Nov 8, 2022
Polarization multiplexed optical transmitter circuit and polarization multi/demultiplexed optical transceiver circuit
NIPPON TELEGRAPH & TELEPHONE0 citations50
ISHIHARA KOICHI
2 patentsUS8929750B2Jan 6, 2015
Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization system
ISHIHARA KOICHI53 citations97
US8787769B2Jul 22, 2014
Chromatic dispersion value calculating apparatus, optical signal receiving apparatus, optical signal transmitting apparatus, and chromatic dispersion value calculation method
ISHIHARA KOICHI5 citations72