Patent | Date |
---|
Transmission Device And Transmission System App 20220303038 - ZHANG; XIANG ;   et al. | 2022-09-22 |
Optical transmission apparatus, optical transmission system, and optical transmission method Grant 10,797,799 - Nakagawa , et al. October 6, 2 | 2020-10-06 |
Transmission device, optical termination device, transmission system, and transmission method Grant 10,763,986 - Sone , et al. Sep | 2020-09-01 |
Optical terminal device, optical terminating device, and communication control method Grant 10,567,082 - Sone , et al. Feb | 2020-02-18 |
Transmission Device, Optical Termination Device, Transmission System, And Transmission Method App 20200052807 - Sone; Kyosuke ;   et al. | 2020-02-13 |
Optical Transmission Apparatus, Optical Transmission System, And Optical Transmission Method App 20190165865 - NAKAGAWA; GOJI ;   et al. | 2019-05-30 |
Optical transmitting apparatus and optical level control method Grant 10,261,350 - Nakagawa , et al. | 2019-04-16 |
Transmission device and method for measuring optical transmission characteristics Grant 10,230,463 - Huang , et al. | 2019-03-12 |
Optical communication system, transmission station, and method of optical communication Grant 10,200,132 - Sone , et al. Fe | 2019-02-05 |
Optical transport apparatus and optical-wavelength defragmenting method Grant 10,187,172 - Nakagawa , et al. Ja | 2019-01-22 |
Optical Terminal Device, Optical Terminating Device, And Communication Control Method App 20180359032 - SONE; Kyosuke ;   et al. | 2018-12-13 |
Optical Transmitting Apparatus And Optical Level Control Method App 20180180909 - NAKAGAWA; Goji ;   et al. | 2018-06-28 |
Optical line termination, communication system, and communication control method Grant 9,847,837 - Sone , et al. December 19, 2 | 2017-12-19 |
Optical receiver and superimposed signal detecting method Grant 9,838,148 - Nakagawa , et al. December 5, 2 | 2017-12-05 |
Optical Communication System, Transmission Station, And Method Of Optical Communication App 20170279538 - Sone; Kyosuke ;   et al. | 2017-09-28 |
Optical Transport Apparatus And Optical-wavelength Defragmenting Method App 20170279556 - NAKAGAWA; Goji ;   et al. | 2017-09-28 |
Communication device and wavelength adjustment method Grant 9,705,604 - Sone , et al. July 11, 2 | 2017-07-11 |
Transmitting device and transmission control method Grant 9,705,629 - Sone , et al. July 11, 2 | 2017-07-11 |
Optical receiver that has function to detect signal superimposed on optical signal and method for receiving optical signal Grant 9,698,929 - Yoshida , et al. July 4, 2 | 2017-07-04 |
Optical Line Termination, Communication System, And Communication Control Method App 20170187459 - SONE; Kyosuke ;   et al. | 2017-06-29 |
Optical Transmission Device And Optical Transmission System App 20170155981 - NAKAGAWA; GOJI ;   et al. | 2017-06-01 |
Transmission Device And Method For Measuring Optical Transmission Characteristics App 20170047993 - HUANG; GUOXIU ;   et al. | 2017-02-16 |
Optical Receiver And Superimposed Signal Detecting Method App 20160337070 - NAKAGAWA; GOJI ;   et al. | 2016-11-17 |
Communication Device And Wavelength Adjustment Method App 20160294479 - Sone; Kyosuke ;   et al. | 2016-10-06 |
Optical Receiver That Has Function To Detect Signal Superimposed On Optical Signal And Method For Receiving Optical Signal App 20160277139 - Yoshida; Setsuo ;   et al. | 2016-09-22 |
Transmitting Device And Transmission Control Method App 20160248537 - Sone; Kyosuke ;   et al. | 2016-08-25 |
Apparatus and method for monitoring wavelength tunable optical filter Grant 9,350,479 - Sone , et al. May 24, 2 | 2016-05-24 |
Wavelength path switching method, optical communication system, optical communication device, optical repeater, and network management device Grant 9,185,474 - Sone , et al. November 10, 2 | 2015-11-10 |
Optical signal demodulator, optical signal demodulating method, and optical add-drop multiplexer Grant 9,143,242 - Nakagawa , et al. September 22, 2 | 2015-09-22 |
Optical transmission system, method of testing optical transmission system, and non-transitory computer-readable medium Grant 9,083,459 - Oda , et al. July 14, 2 | 2015-07-14 |
Optical amplification apparatus Grant 9,019,593 - Yoshida , et al. April 28, 2 | 2015-04-28 |
Repeater, relay method and optical transmission system Grant 8,965,219 - Sone , et al. February 24, 2 | 2015-02-24 |
Optical power monitor, optical power control system and optical power monitor method Grant 8,965,202 - Sone , et al. February 24, 2 | 2015-02-24 |
Optical Signal Demodulator, Optical Signal Demodulating Method, And Optical Add-drop Multiplexer App 20140270781 - NAKAGAWA; Goji ;   et al. | 2014-09-18 |
Wavelength Path Switching Method, Optical Communication System, Optical Communication Device, Optical Relay Device, And Network Management Device App 20140241719 - Sone; Kyosuke ;   et al. | 2014-08-28 |
Apparatus And Method For Monitoring Wavelength Tunable Optical Filter App 20140205281 - SONE; Kyosuke ;   et al. | 2014-07-24 |
Optical Transmission System, Method Of Testing Optical Transmission System, And Non-transitory Computer-readable Medium App 20140105596 - ODA; Shoichiro ;   et al. | 2014-04-17 |
Terminal apparatus, data transmission system and data transmission method Grant 8,571,058 - Sone , et al. October 29, 2 | 2013-10-29 |
Optical amplifier, control circuit, and optical amplifier control method Grant 8,564,878 - Yoshida , et al. October 22, 2 | 2013-10-22 |
Optical Power Monitor, Optical Power Control System And Optical Power Monitor Method App 20130251365 - SONE; Kyosuke ;   et al. | 2013-09-26 |
Optical amplifier, control circuit, and method of controlling optical amplifier Grant 8,472,110 - Sone June 25, 2 | 2013-06-25 |
Relay apparatus, signal processing apparatus and optical communication system Grant 8,463,135 - Sone , et al. June 11, 2 | 2013-06-11 |
Optical amplifier Grant 8,427,739 - Sone , et al. April 23, 2 | 2013-04-23 |
Repeater, Relay Method And Optical Transmission System App 20130028599 - SONE; Kyosuke ;   et al. | 2013-01-31 |
Optical Amplification Apparatus App 20120257272 - YOSHIDA; Setsuo ;   et al. | 2012-10-11 |
Optical communication system, and optical communication method and communication unit therefor Grant 8,200,088 - Sone , et al. June 12, 2 | 2012-06-12 |
Optical Amplifier App 20110286085 - SONE; Kyosuke ;   et al. | 2011-11-24 |
Optical add/drop device Grant 8,032,028 - Takita , et al. October 4, 2 | 2011-10-04 |
Light detecting apparatus and output light intensity controller Grant 8,032,035 - Sone October 4, 2 | 2011-10-04 |
Optical switching transmission system with timing correction Grant 8,019,228 - Sone , et al. September 13, 2 | 2011-09-13 |
Terminal Apparatus, Data Transmission System And Data Transmission Method App 20110116803 - SONE; Kyosuke ;   et al. | 2011-05-19 |
Optical Amplifier, Control Circuit, And Optical Amplifier Control Method App 20110116161 - YOSHIDA; Setsuo ;   et al. | 2011-05-19 |
Optical Amplifier, Control Circuit, And Method Of Controlling Optical Amplifier App 20100321768 - SONE; Kyosuke | 2010-12-23 |
Relay Apparatus, Signal Processing Apparatus And Optical Communication System App 20100266293 - Sone; Kyosuke ;   et al. | 2010-10-21 |
Optical switch system Grant 7,672,585 - Sone , et al. March 2, 2 | 2010-03-02 |
Network managing apparatus, optical add/drop multiplexer, and network managing method Grant 7,643,751 - Sone , et al. January 5, 2 | 2010-01-05 |
LIght detecting apparatus and output light intensity controller App 20090322233 - Sone; Kyosuke | 2009-12-31 |
Optical Communication System , And Optical Communication Method And Communication Unit Therefor App 20090252492 - SONE; Kyosuke ;   et al. | 2009-10-08 |
Apparatus And Method For Monitoring Optical Gate Device, And Optical Switch System App 20090238574 - SONE; Kyosuke | 2009-09-24 |
Arbitrary and endless polarization controller and polarization-mode dispersion compensator using the same and arbitrary and endless polarization controlling method Grant 7,443,504 - Sone , et al. October 28, 2 | 2008-10-28 |
Optical transmission device Grant 7,406,262 - Nakagawa , et al. July 29, 2 | 2008-07-29 |
Optical transmission system App 20080159748 - Sone; Kyosuke ;   et al. | 2008-07-03 |
Network managing apparatus, optical add/drop multiplexer, and network managing method App 20070264011 - Sone; Kyosuke ;   et al. | 2007-11-15 |
Optical Switch System App 20070223921 - Sone; Kyosuke ;   et al. | 2007-09-27 |
Optical Add/drop Device App 20070147841 - Takita; Yutaka ;   et al. | 2007-06-28 |
Optical transmission device App 20050169633 - Nakagawa, Goji ;   et al. | 2005-08-04 |
Arbitrary and endless polarization controller and polarization-mode dispersion compensator using the same and arbitrary and endless polarization controlling method App 20050162741 - Sone, Kyosuke ;   et al. | 2005-07-28 |