| Patent | Date |
|---|
Search Method And Information Processing System
App 20220199256 - YAMADA; Tomoyuki ; et al. | 2022-06-23 |
Optical transmission device, optical transmission system, and optical transmission method
Grant 10,979,146 - Iwama , et al. April 13, 2 | 2021-04-13 |
Optical Transmission Device, Optical Transmission System, And Optical Transmission Method
App 20200177281 - IWAMA; Yamato ; et al. | 2020-06-04 |
Cell, cell stack device, module and module-containing device
Grant 10,665,880 - Nishihara , et al. | 2020-05-26 |
Flow Battery
App 20200020968 - SAGOU; Fumiaki ; et al. | 2020-01-16 |
Optical transmitter and optical transmitting method
Grant 10,419,153 - Noheji , et al. Sept | 2019-09-17 |
Transmission device and setting method
Grant 10,397,084 - Nishihara , et al. A | 2019-08-27 |
Optical Transmitter And Optical Transmitting Method
App 20190109668 - NOHEJI; Kiyotoshi ; et al. | 2019-04-11 |
Optical transmitter and optical transmission method
Grant 10,243,667 - Iwata , et al. | 2019-03-26 |
Receiving device and sending device
Grant 10,212,015 - Okabe , et al. Feb | 2019-02-19 |
Estimation method for optical receiver and light source device
Grant 10,128,960 - Okabe , et al. November 13, 2 | 2018-11-13 |
Optical Transmitter And Optical Transmission Method
App 20180294888 - IWATA; Sukeyuki ; et al. | 2018-10-11 |
Transmission apparatus and transmission method
Grant 10,050,714 - Nishihara , et al. August 14, 2 | 2018-08-14 |
Multi-carrier optical transmission system, optical transmitter, and optical receiver
Grant 10,027,408 - Nishihara , et al. July 17, 2 | 2018-07-17 |
Optical signal receiving device and method of receiving an optical signal
Grant 10,027,422 - Takahara , et al. July 17, 2 | 2018-07-17 |
Optical reception apparatus
Grant 9,998,233 - Okabe , et al. June 12, 2 | 2018-06-12 |
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 receiving device and method for controlling dispersion compensation amount
Grant 9,973,276 - Kai , et al. May 15, 2 | 2018-05-15 |
Transmission apparatus and transmission system
Grant 9,923,640 - Okabe , et al. March 20, 2 | 2018-03-20 |
Optical Transmitter, Optical Communication System, And Optical Transmission/reception Control Method
App 20180034551 - NISHIHARA; MASATO ; et al. | 2018-02-01 |
Optical signal processing apparatus, optical signal processing method, and recording medium
Grant 9,876,577 - Tanaka , et al. January 23, 2 | 2018-01-23 |
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 Signal Receiving Device And Method Of Receiving An Optical Signal
App 20170338892 - Takahara; Tomoo ; et al. | 2017-11-23 |
Optical Receiving Device And Method For Controlling Dispersion Compensation Amount
App 20170272161 - Kai; Yutaka ; et al. | 2017-09-21 |
Device and method for transmitting multicarrier signals
Grant 9,768,879 - Tanaka , et al. September 19, 2 | 2017-09-19 |
Optical transmitter and optical transmission method
Grant 9,749,055 - Tanaka , et al. August 29, 2 | 2017-08-29 |
Transmission device, transmitter, and transmission method
Grant 9,735,880 - Nishihara , et al. August 15, 2 | 2017-08-15 |
Estimation Method For Optical Receiver And Light Source Device
App 20170230120 - Okabe; Ryou ; et al. | 2017-08-10 |
Transmission Apparatus And Transmission Method
App 20170214470 - NISHIHARA; MASATO ; et al. | 2017-07-27 |
Optical transmission device and optical transmission system
Grant 9,634,796 - Tanaka , et al. April 25, 2 | 2017-04-25 |
Optical Transmission System, Controller For Wavelength Tunable Filter, And Control Method Of Wavelength Tunable Filter
App 20170093515 - Tanaka; Toshiki ; et al. | 2017-03-30 |
Transmission Apparatus And Transmission System
App 20170078027 - Okabe; Ryou ; et al. | 2017-03-16 |
Method For Determining Numbers Of Bits Allocated To Subcarriers And Optical Transmission System
App 20170070286 - NISHIHARA; MASATO ; et al. | 2017-03-09 |
Transmission Device And Setting Method
App 20160352609 - NISHIHARA; MASATO ; et al. | 2016-12-01 |
Optical transmitter, optical receiver, optical transmission system, optical transmitting method, optical receiving method and optical transmission method
Grant 9,509,406 - Tanaka , et al. November 29, 2 | 2016-11-29 |
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 |
Receiving Device And Sending Device
App 20160248500 - Okabe; Ryou ; et al. | 2016-08-25 |
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 |
Cell, Cell Stack Device, Module And Module-containing Device
App 20160211542 - NISHIHARA; Masato ; et al. | 2016-07-21 |
Transmission Device, Transmitter, And Transmission Method
App 20160204869 - NISHIHARA; MASATO ; et al. | 2016-07-14 |
Device And Method For Transmitting Multicarrier Signals
App 20160197679 - Tanaka; Toshiki ; et al. | 2016-07-07 |
Optical transmitter and optical signal transmission method
Grant 9,356,689 - Tanimura , et al. May 31, 2 | 2016-05-31 |
Optical Signal Processing Apparatus, Optical Signal Processing Method, And Recording Medium
App 20160112139 - Tanaka; Toshiki ; et al. | 2016-04-21 |
Transmission control device, transmission system, and transmission method
Grant 9,184,867 - Nishihara , et al. November 10, 2 | 2015-11-10 |
Optical Transmission Device And Optical Transmission System
App 20150256288 - Tanaka; Toshiki ; et al. | 2015-09-10 |
PON system and subcarrier assigning method
Grant 9,118,436 - Nishihara , et al. August 25, 2 | 2015-08-25 |
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 |
Transmission Apparatus, Transmission System, And Transmission Method
App 20150104182 - Nishihara; Masato ; et al. | 2015-04-16 |
Optical Transmitter, Optical Receiver, Optical Transmission System, Optical Transmitting Method, Optical Receiving Method And Optical Transmission Method
App 20150071642 - Tanaka; Toshiki ; et al. | 2015-03-12 |
Optical Transmitter And Optical Transmission Method
App 20140369677 - Tanaka; Toshiki ; et al. | 2014-12-18 |
Skew suppression method and optical transmission system
Grant 8,855,498 - Tanaka , et al. October 7, 2 | 2014-10-07 |
Optical amplifier and multicore fiber
Grant 8,773,755 - Nishihara , et al. July 8, 2 | 2014-07-08 |
Transmission Control Device, Transmission System, And Transmission Method
App 20140153925 - NISHIHARA; MASATO ; et al. | 2014-06-05 |
Optical Signal Transmitting Apparatus, Optical Frequency Division Multiplex Transmission System, And Optical Signal Communication Method
App 20140099114 - NISHIHARA; Masato ; et al. | 2014-04-10 |
Transmitting Apparatus, Receiving Apparatus, Optical Frequency Division Multiplex Transmission System, And Optical Signal Communication Method
App 20140099115 - TANAKA; Toshiki ; et al. | 2014-04-10 |
Pon System And Subcarrier Assigning Method
App 20140099111 - NISHIHARA; MASATO ; et al. | 2014-04-10 |
Optical modulation apparatus and optical modulation method
Grant 8,693,891 - Nishihara , et al. April 8, 2 | 2014-04-08 |
Optical network system
Grant 8,666,252 - Nishihara , et al. March 4, 2 | 2014-03-04 |
Optical modulation device and optical modulation method
Grant 8,611,760 - Nishihara , et al. December 17, 2 | 2013-12-17 |
Optical Transmitter And Optical Signal Transmission Method
App 20130302031 - TANIMURA; Takahito ; et al. | 2013-11-14 |
Optical transmitter and control method therefor
Grant 8,582,981 - Akiyama , et al. November 12, 2 | 2013-11-12 |
Optical device and optical modulation method
Grant 8,582,980 - Nishihara , et al. November 12, 2 | 2013-11-12 |
Polarized-wave-multiplexing optical transmitter and control method of polarized-wave-multiplexed optical signal
Grant 8,565,616 - Tanaka , et al. October 22, 2 | 2013-10-22 |
Optical modulation apparatus and optical modulation method
Grant 8,565,615 - Nishihara , et al. October 22, 2 | 2013-10-22 |
Optical device, optical modulation method, and optical transmitter
Grant 8,565,617 - Nishihara , et al. October 22, 2 | 2013-10-22 |
Optical Transmission System, Pump-light Supply Control Method, And Pump Light Supply Apparatus
App 20130121693 - TANAKA; Toshiki ; et al. | 2013-05-16 |
Optical Amplifier And Multicore Fiber
App 20130063809 - Nishihara; Masato ; et al. | 2013-03-14 |
Delay processing apparatus, signal amplification apparatus, opto-electric conversion apparatus, analog-digital conversion apparatus, receiving apparatus, and receiving method
Grant 8,301,039 - Nishihara , et al. October 30, 2 | 2012-10-30 |
Skew Suppression Method And Optical Transmission System
App 20120263456 - Tanaka; Toshiki ; et al. | 2012-10-18 |
Optical Network System
App 20120237212 - Nishihara; Masato ; et al. | 2012-09-20 |
Control Circuit, Communication System, And Control Method
App 20120148235 - Nishihara; Masato ; et al. | 2012-06-14 |
Optical Signal Transmission Device, Optical Amplification Device, Optical Attenuation Device And Optical Signal Transmission Method
App 20120050844 - Nishihara; Masato ; et al. | 2012-03-01 |
Optical amplifier
Grant 8,064,130 - Nishihara , et al. November 22, 2 | 2011-11-22 |
Optical amplifier provided with control function of pumping light, and optical transmission system using the same
Grant 8,054,455 - Sugaya , et al. November 8, 2 | 2011-11-08 |
Optical Modulation Apparatus And Optical Modulation Method
App 20110229150 - NISHIHARA; Masato ; et al. | 2011-09-22 |
Optical Modulation Apparatus And Optical Modulation Method
App 20110229148 - NISHIHARA; Masato ; et al. | 2011-09-22 |
Polarized-wave-multiplexing Optical Transmitter And Control Method Of Polarized-wave-multiplexed Optical Signal
App 20110222853 - TANAKA; Toshiki ; et al. | 2011-09-15 |
Signal regeneration device, optical receiver, and signal processing method
Grant 7,853,152 - Nishihara , et al. December 14, 2 | 2010-12-14 |
Segmented-In-Series Solid Oxide Fuel Cell Stack and Fuel Cell
App 20100291459 - Nishihara; Masato ; et al. | 2010-11-18 |
Optical transmitter
Grant 7,778,553 - Yuki , et al. August 17, 2 | 2010-08-17 |
Delay Processing Apparatus, Signal Amplification Apparatus, Opto-electric Conversion Apparatus, Analog-digital Conversion Apparatus, Receiving Apparatus, And Receiving Method
App 20100178065 - Nishihara; Masato ; et al. | 2010-07-15 |
Optical amplifier provided with control function of pumping light, and optical transmission system using the same
App 20100157416 - Sugaya; Yasushi ; et al. | 2010-06-24 |
Optical fiber, manufacturing method of the same, and optical amplifier
Grant 7,729,588 - Nishihara , et al. June 1, 2 | 2010-06-01 |
Individual band gain equalizer for optical amplifiers
Grant 7,715,093 - Nishihara , et al. May 11, 2 | 2010-05-11 |
Optical modulator and optical transmitter using the same
App 20100054756 - Nishihara; Masato ; et al. | 2010-03-04 |
Optical Modulation Device And Optical Modulation Method
App 20090226184 - NISHIHARA; Masato ; et al. | 2009-09-10 |
Optical amplifier provided with control function of pumping light, and optical transmission system using the same
App 20090219609 - Sugaya; Yasushi ; et al. | 2009-09-03 |
Optical amplification characteristics simulation apparatus and optical amplification characteristics simulation method
Grant 7,551,347 - Hayashi , et al. June 23, 2 | 2009-06-23 |
Optical amplifier provided with control function of pumping light, and optical transmission system using the same
Grant 7,505,197 - Sugaya , et al. March 17, 2 | 2009-03-17 |
Optical device, optical modulation method, and optical transmitter
App 20090041473 - Nishihara; Masato ; et al. | 2009-02-12 |
Individual Band Gain Equalizer For Optical Amplifiers
App 20080239470 - Nishihara; Masato ; et al. | 2008-10-02 |
Optical Transmitter And Control Method Therefor
App 20080187324 - AKIYAMA; Yuichi ; et al. | 2008-08-07 |
Optical Device And Optical Modulation Method
App 20080170864 - NISHIHARA; Masato ; et al. | 2008-07-17 |
Optical amplification characteristics simulation apparatus and optical amplification characteristics simulation method
App 20080088915 - Hayashi; Etsuko ; et al. | 2008-04-17 |
Individual band gain equalizer for optical amplifiers
Grant 7,359,112 - Nishihara , et al. April 15, 2 | 2008-04-15 |
Optical transmitter and drive method of same
App 20080056727 - Nishihara; Masato ; et al. | 2008-03-06 |
Optical Fiber, Manufacturing Method Of The Same, And Optical Amplifier
App 20080013904 - Nishihara; Masato ; et al. | 2008-01-17 |
Optical transmitter
App 20070264028 - Yuki; Masahiro ; et al. | 2007-11-15 |
Fuel cell
Grant 7,285,348 - Yamashita , et al. October 23, 2 | 2007-10-23 |
Signal regeneration device, optical receiver, and signal processing method
App 20070127929 - Nishihara; Masato ; et al. | 2007-06-07 |
Apparatus and method for amplification medium performance simulation, and optical amplifier
Grant 7,212,335 - Nishihara , et al. May 1, 2 | 2007-05-01 |
Control apparatus and method for optical amplifier, optical amplifier, optical transmission apparatus, individual band gain equalizer, wavelength multiplexing transmission apparatus, optical amplifier and wavelength multiplexing transmission system using the same equalizer
App 20060203329 - Nishihara; Masato ; et al. | 2006-09-14 |
Optical amplifier and gain tilt compensation method
Grant 7,072,100 - Nishihara , et al. July 4, 2 | 2006-07-04 |
Optical apparatus with loss compensation capability and optical amplifier for loss compensation
Grant 7,061,669 - Nakashima , et al. June 13, 2 | 2006-06-13 |
Apparatus and method for amplification medium performance simulation, and optical amplifier
App 20050254119 - Nishihara, Masato ; et al. | 2005-11-17 |
Optical apparatus with loss compensation capability and optical amplifier for loss compensation
App 20050088727 - Nakashima, Hisao ; et al. | 2005-04-28 |
Fuel cell
App 20040219411 - Yamashita, Shoji ; et al. | 2004-11-04 |
Optical amplifier provided with control function of pumping light, and optical transmission system using the same
App 20040196158 - Sugaya, Yasushi ; et al. | 2004-10-07 |
Optical amplifier
App 20030234976 - Nishihara, Masato ; et al. | 2003-12-25 |
Optical amplifier and gain tilt compensation method
App 20030039026 - Nishihara, Masato ; et al. | 2003-02-27 |
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