Inventor
YONENAGA KAZUSHIGE
JP16 patents
⚠️ This page may combine multiple inventors who share the name “YONENAGA KAZUSHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
12 patentsUS6865348B2Mar 8, 2005
Optical transmission method, optical transmitter, optical receiver, and optical transmission system
NIPPON TELEGRAPH & TELEPHONE70 citations96
US5543952AAug 6, 1996
Optical transmission system
NIPPON TELEGRAPH & TELEPHONE200 citations96
US6763197B1Jul 13, 2004
Optical transmitter and optical transmitter control method using variable duty ratio setting and alternate phase inversion for optical clock pulses
NIPPON TELEGRAPH & TELEPHONE33 citations92
US6559996B1May 6, 2003
Optical transmission system
NIPPON TELEGRAPH & TELEPHONE67 citations92
US7536112B2May 19, 2009
Optical transmission system
NIPPON TELEGRAPH & TELEPHONE18 citations91
US8005374B2Aug 23, 2011
Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission system
NIPPON TELEGRAPH & TELEPHONE10 citations83
US7734194B2Jun 8, 2010
Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission system
NIPPON TELEGRAPH & TELEPHONE16 citations83
US6934308B1Aug 23, 2005
Precoding circuit and precoding-mulitplexing circuit for realizing very high transmission rate in optical fiber communication
NIPPON TELEGRAPH & TELEPHONE16 citations83
US10171173B2Jan 1, 2019
Optical signal transmission apparatus and optical signal transmission method
NIPPON TELEGRAPH & TELEPHONE2 citations73
US10038507B2Jul 31, 2018
Optical transmission system, phase compensation method, and optical reception apparatus
NIPPON TELEGRAPH & TELEPHONE3 citations72
US7542631B2Jun 2, 2009
Optical transmission system
NIPPON TELEGRAPH & TELEPHONE5 citations61
US9762982B2Sep 12, 2017
Multi-flow optical transceiver, multi-flow optical transponder and multi-flow optical node
NIPPON TELEGRAPH & TELEPHONE0 citations50