| Patent | Date |
|---|
Computer-readable Recording Medium Storing Calculation Processing Program, Calculation Processing Method, And Information Processing Device
App 20220147872 - KAI; YUTAKA ; et al. | 2022-05-12 |
Computer-readable Recording Medium Storing Machine Learning Program, Machine Learning Method, And Information Processing Apparatus
App 20220147772 - KAI; YUTAKA ; et al. | 2022-05-12 |
Learning Method And Information Processing Apparatus
App 20210406683 - KAI; YUTAKA ; et al. | 2021-12-30 |
Learning Method And Information Processing Apparatus
App 20210397948 - Hara; Yasushi ; et al. | 2021-12-23 |
Learning Method And Learning Apparatus
App 20210158212 - KAI; YUTAKA ; et al. | 2021-05-27 |
Multi-carrier optical transmission system, optical transmitter, and optical receiver
Grant 10,027,408 - Nishihara , et al. July 17, 2 | 2018-07-17 |
Optical transmitter, optical communication system, and optical transmission/reception control method
Grant 9,998,230 - Nishihara , et al. June 12, 2 | 2018-06-12 |
Optical reception apparatus
Grant 9,998,233 - Okabe , et al. June 12, 2 | 2018-06-12 |
Optical receiving device and method for controlling dispersion compensation amount
Grant 9,973,276 - Kai , et al. May 15, 2 | 2018-05-15 |
Optical Transmitter, Optical Communication System, And Optical Transmission/reception Control Method
App 20180034551 - NISHIHARA; MASATO ; et al. | 2018-02-01 |
Optical transmission system, controller for wavelength tunable filter, and control method of wavelength tunable filter
Grant 9,876,601 - Tanaka , et al. January 23, 2 | 2018-01-23 |
Method for determining numbers of bits allocated to subcarriers and optical transmission system
Grant 9,853,728 - Nishihara , et al. December 26, 2 | 2017-12-26 |
Optical Receiving Device And Method For Controlling Dispersion Compensation Amount
App 20170272161 - Kai; Yutaka ; et al. | 2017-09-21 |
Optical Transmission System, Controller For Wavelength Tunable Filter, And Control Method Of Wavelength Tunable Filter
App 20170093515 - Tanaka; Toshiki ; et al. | 2017-03-30 |
Method For Determining Numbers Of Bits Allocated To Subcarriers And Optical Transmission System
App 20170070286 - NISHIHARA; MASATO ; et al. | 2017-03-09 |
Multilevel intensity modulation and demodulation system and method
Grant 9,467,229 - Kai , et al. October 11, 2 | 2016-10-11 |
Multi-carrier Optical Transmission System, Optical Transmitter, And Optical Receiver
App 20160285548 - NISHIHARA; MASATO ; et al. | 2016-09-29 |
Transmission apparatus, transmission system, and transmission method
Grant 9,425,897 - Nishihara , et al. August 23, 2 | 2016-08-23 |
Optical Reception Apparatus
App 20160218812 - Okabe; Ryou ; et al. | 2016-07-28 |
Multilevel Intensity Modulation And Demodulation System And Method
App 20150222359 - KAI; Yutaka ; et al. | 2015-08-06 |
Transmitting apparatus, receiving apparatus, optical frequency division multiplex transmission system, and optical signal communication method
Grant 9,088,383 - Tanaka , et al. July 21, 2 | 2015-07-21 |
Optical transmission system using cross phase modulation
Grant 9,077,470 - Kai , et al. July 7, 2 | 2015-07-07 |
Optical amplification apparatus
Grant 9,019,593 - Yoshida , et al. April 28, 2 | 2015-04-28 |
Transmission Apparatus, Transmission System, And Transmission Method
App 20150104182 - Nishihara; Masato ; et al. | 2015-04-16 |
Level control circuit, level control method, and level control system
Grant 8,937,762 - Kai , et al. January 20, 2 | 2015-01-20 |
Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
Grant 8,867,927 - Akiyama , et al. October 21, 2 | 2014-10-21 |
Optical output level control apparatus
Grant 8,824,043 - Yoshida , et al. September 2, 2 | 2014-09-02 |
Optical communication network and supervisory control device
Grant 8,787,757 - Kai July 22, 2 | 2014-07-22 |
Transmitting Apparatus, Receiving Apparatus, Optical Frequency Division Multiplex Transmission System, And Optical Signal Communication Method
App 20140099115 - TANAKA; Toshiki ; et al. | 2014-04-10 |
Optical Output Level Control Apparatus
App 20140078579 - YOSHIDA; Setsuo ; et al. | 2014-03-20 |
Apparatus And Method For Receiving Optical Signal, And Optical Frequency-division-multiplexing Transmission System
App 20140064732 - KAI; Yutaka ; et al. | 2014-03-06 |
Waveform controller, responsive element module, optical switch apparatus, responsive element and optical switch apparatus control method
Grant 8,582,984 - Kai November 12, 2 | 2013-11-12 |
Optical Transmission System
App 20130266320 - KAI; Yutaka ; et al. | 2013-10-10 |
Optical access network system
Grant 8,538,259 - Kai September 17, 2 | 2013-09-17 |
Relay apparatus, signal processing apparatus and optical communication system
Grant 8,463,135 - Sone , et al. June 11, 2 | 2013-06-11 |
Optical Access Network System
App 20120315038 - KAI; Yutaka | 2012-12-13 |
Optical packet switching apparatus and optical packet switching method
Grant 8,331,780 - Kai December 11, 2 | 2012-12-11 |
Level Control Circuit, Level Control Method, And Level Control System
App 20120293228 - KAI; Yutaka ; et al. | 2012-11-22 |
Optical Amplification Apparatus
App 20120257272 - YOSHIDA; Setsuo ; et al. | 2012-10-11 |
Optical communication base station, optical signal conversion apparatus, and optical signal conversion method
Grant 8,275,258 - Kai , et al. September 25, 2 | 2012-09-25 |
Optical-switch drive circuit and method thereof
Grant 8,179,593 - Noguchi , et al. May 15, 2 | 2012-05-15 |
Optical switching device
Grant 8,170,416 - Kai , et al. May 1, 2 | 2012-05-01 |
Optical packet switching apparatus
Grant 8,155,517 - Harada , et al. April 10, 2 | 2012-04-10 |
Optical Transmitting Apparatus, Optical Receiving Apparatus, And Optical Communication System Comprising Them
App 20120082465 - Akiyama; Yuichi ; et al. | 2012-04-05 |
Driving circuit of optical gate switch
Grant 8,139,903 - Noguchi , et al. March 20, 2 | 2012-03-20 |
Drive circuit and optical switch
Grant 8,107,813 - Yoshida , et al. January 31, 2 | 2012-01-31 |
Level Control Circuit, Level Control Method, And Level Control System
App 20110254608 - KAI; Yutaka ; et al. | 2011-10-20 |
Optical add/drop device
Grant 8,032,028 - Takita , et al. October 4, 2 | 2011-10-04 |
Optical packet switching apparatus and method therefor
Grant 8,019,219 - Matsunaga , et al. September 13, 2 | 2011-09-13 |
Optical Communication Network And Supervisory Control Device
App 20110116798 - KAI; Yutaka | 2011-05-19 |
Driving circuit of optical gate switch
App 20110050293 - Noguchi; Masaji ; et al. | 2011-03-03 |
Non-inverting amplifier circuit and optical switch driver circuit
Grant 7,898,341 - Ueno , et al. March 1, 2 | 2011-03-01 |
Temperature Control Method, Temperature Control Apparatus, And Optical Device
App 20110006124 - KAI; Yutaka | 2011-01-13 |
Driving circuit of optical gate switch
Grant 7,848,600 - Noguchi , et al. December 7, 2 | 2010-12-07 |
Optical network system and transmission apparatus
Grant 7,826,744 - Miyata , et al. November 2, 2 | 2010-11-02 |
Relay Apparatus, Signal Processing Apparatus And Optical Communication System
App 20100266293 - Sone; Kyosuke ; et al. | 2010-10-21 |
Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them
Grant 7,817,923 - Akiyama , et al. October 19, 2 | 2010-10-19 |
Semiconductor optical amplifier gate switch drive circuit, semiconductor optical amplifier gate switching device, and optical cross connect
Grant 7,791,793 - Noguchi , et al. September 7, 2 | 2010-09-07 |
Waveform Controller, Responsive Element Module, Optical Switch Apparatus, Responsive Element And Optical Switch Apparatus Control Method
App 20100123945 - KAI; Yutaka | 2010-05-20 |
Optical Packet Switching Apparatus
App 20100027992 - Harada; Keisuke ; et al. | 2010-02-04 |
Network managing apparatus, optical add/drop multiplexer, and network managing method
Grant 7,643,751 - Sone , et al. January 5, 2 | 2010-01-05 |
Optical communication base station, optical signal conversion apparatus, and optical signal conversion method
App 20090297162 - Kai; Yutaka ; et al. | 2009-12-03 |
Drive circuit and optical switch
App 20090297147 - YOSHIDA; Setsuo ; et al. | 2009-12-03 |
Optical-switch Drive Circuit And Method Thereof
App 20090237127 - NOGUCHI; Masaji ; et al. | 2009-09-24 |
Optical Packet Switching Apparatus And Optical Packet Switching Method
App 20090196607 - KAI; Yutaka | 2009-08-06 |
Optical access network system
App 20090185804 - Kai; Yutaka ; et al. | 2009-07-23 |
Optical communication system
Grant 7,546,043 - Kai , et al. June 9, 2 | 2009-06-09 |
Optical Packet Switching Apparatus And Method Therefor
App 20090060506 - Matsunaga; Koji ; et al. | 2009-03-05 |
Non-inverting amplifier circuit and optical switch driver circuit
App 20090058534 - UENO; Tomohiro ; et al. | 2009-03-05 |
Optical switching device
App 20090003827 - Kai; Yutaka ; et al. | 2009-01-01 |
Optical switch apparatus and optical switching system
Grant 7,462,812 - Kai , et al. December 9, 2 | 2008-12-09 |
Optical network and optical add/drop apparatus
Grant 7,433,601 - Kai October 7, 2 | 2008-10-07 |
Semiconductor optical amplification module, optical matrix switching device, and drive circuit
App 20080239472 - Noguchi; Masaji ; et al. | 2008-10-02 |
Semiconductor optical amplifier type gate switch drive circuit, semiconductor optical amplifier type gate switching drive, and optical cross connect
App 20080205888 - Noguchi; Masaji ; et al. | 2008-08-28 |
Optical switch, and method for controlling drive voltage thereof
Grant 7,408,700 - Kai , et al. August 5, 2 | 2008-08-05 |
Optical transmission device
Grant 7,406,262 - Nakagawa , et al. July 29, 2 | 2008-07-29 |
Acousto-optic tunable filter control apparatus automatically adjusting frequency and power of radio frequency signal
Grant 7,405,858 - Noguchi , et al. July 29, 2 | 2008-07-29 |
Optical Switch Apparatus And Optical Switching System
App 20080170855 - KAI; Yutaka ; et al. | 2008-07-17 |
Control system of a multichannel optical switch
App 20080166121 - Nakano; Takashi ; et al. | 2008-07-10 |
Optical switch apparatus and optical switching system
Grant 7,368,700 - Kai , et al. May 6, 2 | 2008-05-06 |
Optical add/drop multiplexer using tunable filter and method for feedback controlling the tunable filter
Grant 7,366,426 - Kai , et al. April 29, 2 | 2008-04-29 |
Control method and control apparatus of optical device
Grant 7,362,925 - Miyata , et al. April 22, 2 | 2008-04-22 |
Driving circuit of optical gate switch
App 20080068051 - Noguchi; Masaji ; et al. | 2008-03-20 |
Optical switch apparatus and control information updating method therein
Grant 7,308,168 - Takita , et al. December 11, 2 | 2007-12-11 |
Network managing apparatus, optical add/drop multiplexer, and network managing method
App 20070264011 - Sone; Kyosuke ; et al. | 2007-11-15 |
Selected-wavelength tuning filter and optical add/drop multiplexer
Grant 7,292,787 - Kai , et al. November 6, 2 | 2007-11-06 |
Acousto-optic tunable filter control apparatus automatically adjusting frequency and power of radio frequency signal
App 20070171505 - Noguchi; Masaji ; et al. | 2007-07-26 |
Optical Add/drop Device
App 20070147841 - Takita; Yutaka ; et al. | 2007-06-28 |
Method and apparatus for controlling optical switch
App 20070116404 - Nakano; Takashi ; et al. | 2007-05-24 |
Optical circuit and linear system dedicated node apparatus, linear system WDM network, and tree system WDM network using such
App 20070104488 - Miyata; Hideyuki ; et al. | 2007-05-10 |
Optical add/drop device
Grant 7,187,814 - Noguchi , et al. March 6, 2 | 2007-03-06 |
Apparatus for controlling acousto-optic tunable filter and method of selecting wavelength
Grant 7,181,094 - Noguchi , et al. February 20, 2 | 2007-02-20 |
Apparatus for controlling acousto-optic tunable filter and method of selecting wavelength
App 20060269185 - Noguchi; Masaji ; et al. | 2006-11-30 |
Optical Transmitting Apparatus, Optical Receiving Apparatus, And Optical Communication System Comprising Them
App 20060263098 - AKIYAMA; Yuichi ; et al. | 2006-11-23 |
Control method and device for optical filter
Grant 7,120,321 - Miyata , et al. October 10, 2 | 2006-10-10 |
Optical switch apparatus and optical switching system
App 20060219870 - Kai; Yutaka ; et al. | 2006-10-05 |
Optical switch apparatus and control information updating method therein
App 20060222289 - Takita; Yutaka ; et al. | 2006-10-05 |
Optical switch, and method for controlling drive voltage thereof
App 20060221432 - Kai; Yutaka ; et al. | 2006-10-05 |
Optical network system and transmission apparatus
App 20060171715 - Miyata; Hideyuki ; et al. | 2006-08-03 |
Optical network and optical add/drop apparatus
App 20060067696 - Kai; Yutaka | 2006-03-30 |
Light source device and wavelength control device therefor
Grant 6,996,142 - Kai , et al. February 7, 2 | 2006-02-07 |
Optical add/drop multiplexer
App 20060023996 - Nakagawa; Goji ; et al. | 2006-02-02 |
Optical add/drop device
App 20050271314 - Noguchi, Masaji ; et al. | 2005-12-08 |
Control method and control apparatus of optical device
App 20050226550 - Miyata, Hideyuki ; et al. | 2005-10-13 |
Control method and control apparatus for variable wavelength optical filter
Grant 6,947,630 - Kai , et al. September 20, 2 | 2005-09-20 |
Control method and control apparatus of optical device
Grant 6,934,433 - Miyata , et al. August 23, 2 | 2005-08-23 |
Optical transmission device
App 20050169633 - Nakagawa, Goji ; et al. | 2005-08-04 |
Control method and device for optical filter, and optical node device
Grant 6,895,141 - Miyata , et al. May 17, 2 | 2005-05-17 |
Optical communication system
App 20040197099 - Kai, Yutaka ; et al. | 2004-10-07 |
Wavelength selection module comprising variable wavelength selecting section for selecting a plurality of wavelengths
App 20040190904 - Noguchi, Masaji ; et al. | 2004-09-30 |
Optical communication system
App 20040179840 - Kai, Yutaka ; et al. | 2004-09-16 |
Wavelength-tunable stabilizer laser
Grant 6,785,306 - Kai , et al. August 31, 2 | 2004-08-31 |
Wavelength locker and wavelength discriminating apparatus
Grant 6,782,017 - Kai , et al. August 24, 2 | 2004-08-24 |
Control method and control apparatus for variable wavelength optical filter
App 20030179988 - Kai, Yutaka ; et al. | 2003-09-25 |
Control method and device for optical filter, and optical node device
App 20030123789 - Miyata, Hideyuki ; et al. | 2003-07-03 |
Control method and control apparatus of optical device
App 20030123782 - Miyata, Hideyuki ; et al. | 2003-07-03 |
Control method and device for optical filter
App 20030123775 - Miyata, Hideyuki ; et al. | 2003-07-03 |
Optical transmission apparatus, optical transmission system, and optical terminal station
Grant 6,583,900 - Onaka , et al. June 24, 2 | 2003-06-24 |
Optical transmission apparatus, optical transmission system, and optical terminal station
App 20020101633 - Onaka, Hiroshi ; et al. | 2002-08-01 |
Light source device and wavelength control device therefor
App 20020070359 - Kai, Yutaka ; et al. | 2002-06-13 |
Optical cross connect unit, optical add-drop multiplexer, light source unit, and adding unit
App 20020030869 - Okazaki, Kazue ; et al. | 2002-03-14 |
Optical transmission apparatus, optical transmission system, and optical terminal station
Grant 6,351,323 - Onaka , et al. February 26, 2 | 2002-02-26 |
Wavelength-tunable stabilized laser
App 20010019562 - Kai, Yutaka ; et al. | 2001-09-06 |
Optical transmission device for bi-directional optical communication
Grant 6,278,536 - Kai , et al. August 21, 2 | 2001-08-21 |
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