Inventor · disambiguated record
Toshiyuki Tokura
Also filed as: TOKURA TOSHIYUKI
14 granted patents·1 pending application·38 citations·filing 2003–2017
88Inventor score
Files withMITSUBISHI ELECTRIC CORP10TOKURA TOSHIYUKI3INDEPENDENT ADMINISTRATIVE INSTITUTION JAPAN AGENCY FOR MARINE EARTH SCI & TECH1YOSHIDA TSUYOSHI1
Top patents by PatentIndex Score
15 records- 0176US11165501B2Excitation light source apparatus and optical transmission systemMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Nov 2, 2021·2 cites·20 claims
- 0275US7068421B2Raman amplifier and optical relay transmission systemMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Jun 27, 2006·17 cites·8 claims
- 0371US9628173B2Optical transmission line switching apparatus and optical transmission systemMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Apr 18, 2017·3 cites·13 claims
- 0466US10971888B2Optical amplifierMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Apr 6, 2021·1 cites·8 claims
- 0564US11128380B2Signal light interruption detection device, optical amplifier, optical wavelength multiplex transmission device, and optical wavelength multiplex transmission systemMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Sep 21, 2021·2 cites·9 claims
- 0664US7539413B2Observation apparatus and observation systemMITSUBISHI ELECTRIC CORP·Filed 2005·Granted May 26, 2009·4 cites·19 claims
- 0762US9831953B2Excitation light source device and optical transmission systemMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Nov 28, 2017·2 cites·9 claims
- 0857US8208812B2Optical relay device and optical relay transmission systemTOKURA TOSHIYUKI·Filed 2006·Granted Jun 26, 2012·2 cites·19 claims
- 0956US7218441B2Non-polarization light source device and raman amplifierMITSUBISHI ELECTRIC CORP·Filed 2003·Granted May 15, 2007·4 cites·12 claims
- 1052US8320771B2Optical transmission system and repeaterYOSHIDA TSUYOSHI·Filed 2008·Granted Nov 27, 2012·1 cites·10 claims
- 1140US9478935B2Optical amplifier, wavelength multiplexing optical transmission system, and programTOKURA TOSHIYUKI·Filed 2012·Granted Oct 25, 2016·0 cites·10 claims
- 1239US9036995B2Optical communication systemTOKURA TOSHIYUKI·Filed 2010·Granted May 19, 2015·0 cites·10 claims
- 1335US2013039643A1Optical communication systemMITSUBISHI ELECTRIC CORP·Filed 2010·Application pending·0 cites
- 1434US7768698B2Raman amplifier and optical communication systemINDEPENDENT ADMINISTRATIVE INSTITUTION JAPAN AGENCY FOR MARINE EARTH SCI & TECH·Filed 2004·Granted Aug 3, 2010·0 cites·14 claims
- 1532US10708676B2Optical transmission line switching apparatus, optical transmission system, and transmission line switching methodMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jul 7, 2020·0 cites·12 claims
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