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Network controller and signal quality estimating method
Grant 10,256,903 - Oda , et al. | 2019-04-09 |
Transmission device and method for measuring optical transmission characteristics
Grant 10,230,463 - Huang , et al. | 2019-03-12 |
Optical transmission characteristic measurement device and method
Grant 10,230,462 - Oda , 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 |
Apparatus and method for estimating optical transmission performance
Grant 10,158,422 - Oda , et al. Dec | 2018-12-18 |
Optical signal-to-noise ratio monitor and method for measuring optical signal to-noise ratio
Grant 10,020,878 - Oda , et al. July 10, 2 | 2018-07-10 |
Optical Transmission Characteristic Measurement Device And Method
App 20180145747 - Oda; Shoichiro ; et al. | 2018-05-24 |
Network Controller And Signal Quality Estimating Method
App 20180097562 - Oda; Shoichiro ; et al. | 2018-04-05 |
Optical signal quality monitoring apparatus, optical signal quality monitoring method and optical repeater
Grant 9,917,639 - Oda , et al. March 13, 2 | 2018-03-13 |
Network controller and signal quality estimating method
Grant 9,906,296 - Oda , et al. February 27, 2 | 2018-02-27 |
Device and method for monitoring transmission characteristics
Grant 9,887,774 - Huang , et al. February 6, 2 | 2018-02-06 |
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 |
Apparatus And Method For Estimating Optical Transmission Performance
App 20170310391 - Oda; Shoichiro ; et al. | 2017-10-26 |
Optical Communication System, Transmission Station, And Method Of Optical Communication
App 20170279538 - Sone; Kyosuke ; et al. | 2017-09-28 |
Device And Method For Monitoring Transmission Characteristics
App 20170279528 - HUANG; GUOXIU ; et al. | 2017-09-28 |
Optical Transport Apparatus And Optical-wavelength Defragmenting Method
App 20170279556 - NAKAGAWA; Goji ; et al. | 2017-09-28 |
Optical communication system and optical communication method
Grant 9,755,733 - Aoki September 5, 2 | 2017-09-05 |
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 Line Termination, Communication System, And Communication Control Method
App 20170187459 - SONE; Kyosuke ; et al. | 2017-06-29 |
Optical transmission apparatus, optical transmission system, and control method of optical transmission system
Grant 9,686,016 - Oda , et al. June 20, 2 | 2017-06-20 |
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 transmission device, node device, optical transmission method, and optical transmission system
Grant 9,559,771 - Oda , et al. January 31, 2 | 2017-01-31 |
Joint wireless and fixed network optimization for heterogeneous cellular networks
Grant 9,560,531 - Chang , et al. January 31, 2 | 2017-01-31 |
Network Controller And Signal Quality Estimating Method
App 20160373187 - Oda; Shoichiro ; et al. | 2016-12-22 |
Optical Receiver And Superimposed Signal Detecting Method
App 20160337070 - NAKAGAWA; GOJI ; et al. | 2016-11-17 |
Optical Transmitting Device And Optical Receiving Device
App 20160337039 - HUANG; GUOXIU ; et al. | 2016-11-17 |
Device and method for monitoring optical signal quality, and optical transmission device
Grant 9,496,953 - Nakagawa , et al. November 15, 2 | 2016-11-15 |
Optical Communication System And Optical Communication Method
App 20160315695 - Aoki; Yasuhiko | 2016-10-27 |
Optical Signal-to-noise Ratio Monitor And Method For Measuring Optical Signal-to-noise Ratio
App 20160308611 - ODA; Shoichiro ; et al. | 2016-10-20 |
Communication Device And Wavelength Adjustment Method
App 20160294479 - Sone; Kyosuke ; et al. | 2016-10-06 |
Transmitting Device And Transmission Control Method
App 20160248537 - Sone; Kyosuke ; et al. | 2016-08-25 |
Apparatus and method for creating calibration coefficient used to monitor optical signal-to-noise ratio
Grant 9,413,455 - Oda , et al. August 9, 2 | 2016-08-09 |
Optical Signal Quality Monitoring Apparatus, Optical Signal Quality Monitoring Method And Optical Repeater
App 20160226580 - ODA; Shoichiro ; et al. | 2016-08-04 |
Optical transmission apparatus and analog-to-digital conversion apparatus
Grant 9,363,022 - Aoki June 7, 2 | 2016-06-07 |
Apparatus and method for monitoring wavelength tunable optical filter
Grant 9,350,479 - Sone , et al. May 24, 2 | 2016-05-24 |
Optical Transmission Apparatus, Optical Transmission System, And Control Method Of Optical Transmission System
App 20160036534 - ODA; Shoichiro ; et al. | 2016-02-04 |
Optical transmission system, optical transmission apparatus, signal conditioning program, and signal conditioning method
Grant 9,225,459 - Oda , et al. December 29, 2 | 2015-12-29 |
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 |
Measurement device, measurement method, transfer device, and optical network
Grant 9,136,944 - Oda , et al. September 15, 2 | 2015-09-15 |
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 |
Apparatus And Method For Creating Calibration Coefficient Used To Monitor Optical Signal-to-noise Ratio
App 20150155935 - Oda; Shoichiro ; et al. | 2015-06-04 |
Device And Method For Monitoring Optical Signal Quality, And Optical Transmission Device
App 20150155934 - Nakagawa; Goji ; et al. | 2015-06-04 |
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 |
Measurement Device, Measurement Method, Transfer Device, And Optical Network
App 20140270756 - ODA; Shoichiro ; 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 apparatus and optical interleaving control method
Grant 8,774,642 - Aoki July 8, 2 | 2014-07-08 |
Optical Transmission Device, Node Device, Optical Transmission Method, And Optical Transmission System
App 20140140692 - ODA; Shoichiro ; et al. | 2014-05-22 |
Optical transmission system and optical transmission method
Grant 8,705,974 - Koganei , et al. April 22, 2 | 2014-04-22 |
Optical Transmission System, Method Of Testing Optical Transmission System, And Non-transitory Computer-readable Medium
App 20140105596 - ODA; Shoichiro ; et al. | 2014-04-17 |
Frame generating apparatus, optical transmission system, frame generating method, and optical transmission method
Grant 8,681,818 - Aoki , et al. March 25, 2 | 2014-03-25 |
Optical transmitting device and optical receiving device
Grant 8,660,425 - Aoki February 25, 2 | 2014-02-25 |
Optical Power Monitor, Optical Power Control System And Optical Power Monitor Method
App 20130251365 - SONE; Kyosuke ; et al. | 2013-09-26 |
Transceiver apparatus, communication control method, and concentrator
Grant 8,521,030 - Aoki August 27, 2 | 2013-08-27 |
Optical Transmission System, Optical Transmission Apparatus, Signal Conditioning Program, And Signal Conditioning Method
App 20130121691 - Oda; Shoichiro ; et al. | 2013-05-16 |
Optical Transmission Apparatus And Optical Interleaving Control Method
App 20130004163 - Aoki; Yasuhiko | 2013-01-03 |
Optical transmission apparatus and method
Grant 8,331,793 - Takeuchi , et al. December 11, 2 | 2012-12-11 |
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 Transmission System And Optical Transmission Method
App 20120219282 - KOGANEI; Yohei ; et al. | 2012-08-30 |
Optical Transmission Apparatus And Analog-to-digital Conversion Apparatus
App 20120177368 - AOKI; Yasuhiko | 2012-07-12 |
Optical switching device
Grant 8,170,416 - Kai , et al. May 1, 2 | 2012-05-01 |
Optical Transmitting Device And Optical Receiving Device
App 20110293266 - AOKI; Yasuhiko | 2011-12-01 |
Optical add/drop device
Grant 8,032,028 - Takita , et al. 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 |
Optical transmission system and optical transmission method
Grant 8,000,599 - Aoki August 16, 2 | 2011-08-16 |
Optical Transmission Apparatus And Method
App 20100322630 - TAKEUCHI; Osamu ; et al. | 2010-12-23 |
Information processing system, calculation node, and control method of information processing system
Grant 7,853,147 - Tanaka , et al. December 14, 2 | 2010-12-14 |
Transceiver Apparatus, Communication Control Method, And Concentrator
App 20100254704 - AOKI; Yasuhiko | 2010-10-07 |
Frame Transfer Device And Frame Transfer Method
App 20100232786 - AOKI; Yasuhiko ; et al. | 2010-09-16 |
Optical apparatus and optical cross connect apparatus
Grant 7,764,881 - Aoki July 27, 2 | 2010-07-27 |
Optical switching transmission system with timing correction
Grant 7,751,708 - Aoki July 6, 2 | 2010-07-06 |
Optical module and optical switch
Grant 7,720,378 - Aoki May 18, 2 | 2010-05-18 |
Optical switch system
Grant 7,672,585 - Sone , et al. March 2, 2 | 2010-03-02 |
Frame Generating Apparatus, Optical Transmission System, Frame Generating Method, And Optical Transmission Method
App 20100040370 - Aoki; Yasuhiko ; et al. | 2010-02-18 |
Optical communication base station, optical signal conversion apparatus, and optical signal conversion method
App 20090297162 - Kai; Yutaka ; et al. | 2009-12-03 |
Optical access network system
App 20090185804 - Kai; Yutaka ; et al. | 2009-07-23 |
Optical network system
Grant 7,512,340 - Sone , et al. March 31, 2 | 2009-03-31 |
Optical network with sub-band rejection and bypass
Grant 7,483,636 - Aoki , et al. January 27, 2 | 2009-01-27 |
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 system
App 20080273875 - Sone; Kyousuke ; et al. | 2008-11-06 |
Light source apparatus, and method for switching redundancy of the light source
Grant 7,447,446 - Aoki , et al. November 4, 2 | 2008-11-04 |
Optical transmission system and optical transmission method
App 20080205889 - Aoki; Yasuhiko | 2008-08-28 |
Optical Switch Apparatus And Optical Switching System
App 20080170855 - KAI; Yutaka ; et al. | 2008-07-17 |
Optical transmission system
App 20080159748 - Sone; Kyosuke ; et al. | 2008-07-03 |
Optical network with selective mode switching
Grant 7,369,765 - Aoki , et al. May 6, 2 | 2008-05-06 |
Optical switch apparatus and optical switching system
Grant 7,368,700 - Kai , et al. May 6, 2 | 2008-05-06 |
Method of wavelength selection control and wavelength variable filter device
Grant 7,349,632 - Noguchi , et al. March 25, 2 | 2008-03-25 |
Optical packet switching system
Grant 7,317,873 - Aoki January 8, 2 | 2008-01-08 |
Method and system for management of directly connected optical components
Grant 7,305,184 - Tian , et al. December 4, 2 | 2007-12-04 |
Optical Switch System
App 20070223921 - Sone; Kyosuke ; et al. | 2007-09-27 |
Coupler-based optical cross-connect
Grant 7,266,294 - Aoki , et al. September 4, 2 | 2007-09-04 |
Optical module and optical switch
App 20070201868 - Aoki; Yasuhiko | 2007-08-30 |
Optical transmission system
App 20070166035 - Aoki; Yasuhiko | 2007-07-19 |
Optical Add/drop Device
App 20070147841 - Takita; Yutaka ; et al. | 2007-06-28 |
Optical switch apparatus and optical switching system
App 20060219870 - Kai; Yutaka ; et al. | 2006-10-05 |
Optical packet switching system
App 20060222361 - Aoki; Yasuhiko | 2006-10-05 |
Optical apparatus and optical cross connect apparatus
App 20060210266 - Aoki; Yasuhiko | 2006-09-21 |
Method of wavelength selection control and wavelength variable filter device
App 20060189281 - Noguchi; Masaji ; et al. | 2006-08-24 |
Information processing system, calculation node, and control method of information processing system
App 20060171712 - Tanaka; Toshiki ; et al. | 2006-08-03 |
Light source apparatus, and method for switching redundancy of the light source
App 20050213972 - Aoki, Yasuhiko ; et al. | 2005-09-29 |
Optical network with selective mode switching
App 20050191054 - Aoki, Yasuhiko ; et al. | 2005-09-01 |
Photonic data storage network
App 20050185959 - Kinoshita, Susumu ; et al. | 2005-08-25 |
Coupler-based optical cross-connect
App 20050117909 - Aoki, Yasuhiko ; et al. | 2005-06-02 |
Method and system for increasing network capacity in an optical network
App 20050095001 - Tian, Cechan ; et al. | 2005-05-05 |
Distributed raman amplifier for optical network and method
Grant 6,879,434 - Aoki , et al. April 12, 2 | 2005-04-12 |
Optical network with sub-band rejection and bypass
App 20050025490 - Aoki, Yasuhiko ; et al. | 2005-02-03 |
System and method for communicating optical traffic between ring networks
App 20050019034 - Aoki, Yasuhiko ; et al. | 2005-01-27 |
Method and system for management of directly connected optical components
App 20050008363 - Tian, Cechan ; et al. | 2005-01-13 |
Optical network with distributed sub-band rejections
App 20040052530 - Tian, Cechan ; et al. | 2004-03-18 |
Distributed raman amplifier for optical network and method
App 20040008404 - Aoki, Yasuhiko ; et al. | 2004-01-15 |
Method for synthesis of optically active thiolactones
Grant 4,014,895 - Aoki , et al. March 29, 1 | 1977-03-29 |
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