Inventor
TOKURA TOSHIYUKI
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TOKURA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
9 patentsUS7068421B2Jun 27, 2006
Raman amplifier and optical relay transmission system
MITSUBISHI ELECTRIC CORP17 citations82
US9628173B2Apr 18, 2017
Optical transmission line switching apparatus and optical transmission system
MITSUBISHI ELECTRIC CORP3 citations69
US9831953B2Nov 28, 2017
Excitation light source device and optical transmission system
MITSUBISHI ELECTRIC CORP2 citations68
US11165501B2Nov 2, 2021
Excitation light source apparatus and optical transmission system
MITSUBISHI ELECTRIC CORP2 citations67
US11128380B2Sep 21, 2021
Signal light interruption detection device, optical amplifier, optical wavelength multiplex transmission device, and optical wavelength multiplex transmission system
MITSUBISHI ELECTRIC CORP2 citations65
US10971888B2Apr 6, 2021
Optical amplifier
MITSUBISHI ELECTRIC CORP1 citations62
US7218441B2May 15, 2007
Non-polarization light source device and raman amplifier
MITSUBISHI ELECTRIC CORP4 citations62
US7539413B2May 26, 2009
Observation apparatus and observation system
MITSUBISHI ELECTRIC CORP4 citations58
US10708676B2Jul 7, 2020
Optical transmission line switching apparatus, optical transmission system, and transmission line switching method
MITSUBISHI ELECTRIC CORP0 citations36
TOKURA TOSHIYUKI
3 patentsUS8208812B2Jun 26, 2012
Optical relay device and optical relay transmission system
TOKURA TOSHIYUKI2 citations59
US9036995B2May 19, 2015
Optical communication system
TOKURA TOSHIYUKI0 citations48
US9478935B2Oct 25, 2016
Optical amplifier, wavelength multiplexing optical transmission system, and program
TOKURA TOSHIYUKI0 citations37