Akiyama; Yuichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Akiyama; Yuichi.The latest application filed is for "wavelength converter, optical communication system, and method for adjusting wavelength converter".

Company Profile

6.77.68

Akiyama; Yuichi - Kawasaki JP
Akiyama, Yuichi - Kawasaki-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical transmission device and optical transmission system Grant 11,165,502 - Ge , et al. November 2, 2	2021-11-02
Wavelength Converter, Optical Communication System, And Method For Adjusting Wavelength Converter App 20210103200 - NAKAGAWA; GOJI ; et al.	2021-04-08
Reception device and method of detecting supervisory control signal Grant 10,873,410 - Ge , et al. December 22, 2	2020-12-22
Optical Transmission Device And Optical Transmission System App 20200036446 - Ge; Yi ; et al.	2020-01-30
Optical transmitter and skew compensation method Grant 10,498,459 - Nomura , et al. De	2019-12-03
Transmission system and method Grant 10,419,263 - Ge , et al. Sept	2019-09-17
Optical transmitter and control method for optical transmitter Grant 10,341,027 - Huang , et al.	2019-07-02
Optical reception apparatus, optical transmission apparatus, optical communication system, and skew adjusting method Grant 10,219,049 - Nomura , et al. Feb	2019-02-26
Optical Transmitter And Control Method For Optical Transmitter App 20190028205 - HUANG; GUOXIU ; et al.	2019-01-24
Transmission System And Method App 20190020531 - Ge; Yi ; et al.	2019-01-17
Optical Reception Apparatus, Optical Transmission Apparatus, Optical Communication System, And Skew Adjusting Method App 20180376226 - Nomura; Yoshitaka ; et al.	2018-12-27
Optical Transmitter And Skew Compensation Method App 20180367220 - Nomura; Yoshitaka ; et al.	2018-12-20
Digital signal processing circuit and signal processing device that includes a plurality of digital signal processing circuits Grant 10,090,927 - Nakashima , et al. October 2, 2	2018-10-02
Reception Device And Method Of Detecting Supervisory Control Signal App 20180248643 - Ge; Yi ; et al.	2018-08-30
Optical transmitter and control method of optical transmitter Grant 10,063,322 - Akiyama , et al. August 28, 2	2018-08-28
Communication Device, Communication System And Communication Method For Transmitting Optical Signal App 20180175933 - Nomura; Yoshitaka ; et al.	2018-06-21
Optical transmission device, optical modulator, and bias control method Grant 9,989,786 - Kaneoka , et al. June 5, 2	2018-06-05
Transmission apparatus, reception apparatus and modulation method Grant 9,887,798 - Nomura , et al. February 6, 2	2018-02-06
Optical transmitter, optical transmission system and optical communication control method Grant 9,859,985 - Akiyama January 2, 2	2018-01-02
Optical transmitter and method for controlling bias of optical modulator Grant 9,853,739 - Nakashima , et al. December 26, 2	2017-12-26
Optical transmitter, method for controlling optical modulator, and controller for optical modulator Grant 9,843,396 - Akiyama December 12, 2	2017-12-12
Digital Signal Processing Circuit And Signal Processing Device That Includes A Plurality Of Digital Signal Processing Circuits App 20170310394 - Nakashima; Hisao ; et al.	2017-10-26
Optical Transmission Device, Optical Modulator, And Bias Control Method App 20170293165 - Kaneoka; Tomohiro ; et al.	2017-10-12
Optical transmission device, transmission system, and transmission method Grant 9,787,396 - Sugitani , et al. October 10, 2	2017-10-10
Optical Transmitter And Control Method Of Optical Transmitter App 20170163347 - AKIYAMA; YUICHI ; et al.	2017-06-08
Optical transmission apparatus and detection apparatus Grant 9,667,344 - Akiyama May 30, 2	2017-05-30
Optical transmission device, nonlinear distortion compensation method, and nonlinear distortion pre-equalization method Grant 9,654,224 - Oyama , et al. May 16, 2	2017-05-16
Optical transmitter and waveform distortion correction method Grant 9,654,216 - Nakashima , et al. May 16, 2	2017-05-16
Transmission Apparatus, Reception Apparatus And Modulation Method App 20170134115 - NOMURA; Yoshitaka ; et al.	2017-05-11
Optical transmission device, method of optical transmission, and non-transitory computer-readable medium Grant 9,564,975 - Akiyama , et al. February 7, 2	2017-02-07
Optical Transmission Device, Transmission System, And Transmission Method App 20170026114 - SUGITANI; KIICHI ; et al.	2017-01-26
Optical Transmitter, Optical Transmission System And Optical Communication Control Method App 20160269123 - AKIYAMA; Yuichi	2016-09-15
Optical signal transmitter Grant 9,419,720 - Akiyama , et al. August 16, 2	2016-08-16
Optical transmitter and bias control method of optical modulator Grant 9,350,455 - Akiyama May 24, 2	2016-05-24
Optical Transmitter, Method For Controlling Optical Modulator, And Controller For Optical Modulator App 20160105244 - AKIYAMA; YUICHI	2016-04-14
Optical Transmitter And Waveform Distortion Correction Method App 20160099776 - NAKASHIMA; Hisao ; et al.	2016-04-07
Optical Transmission Device, Nonlinear Distortion Compensation Method, And Nonlinear Distortion Pre-equalization Method App 20160065312 - Oyama; Tomofumi ; et al.	2016-03-03
Optical Transmitter And Method For Controlling Bias Of Optical Modulator App 20160036533 - Nakashima; Hisao ; et al.	2016-02-04
Optical Transmission Apparatus And Detection Apparatus App 20160020853 - AKIYAMA; YUICHI	2016-01-21
Optical transmitter and method for controlling bias for optical modulator Grant 9,240,838 - Akiyama , et al. January 19, 2	2016-01-19
Optical transmitter and modulated optical signal generating method Grant 9,130,680 - Akiyama , et al. September 8, 2	2015-09-08
Optical Signal Transmitter App 20150229406 - AKIYAMA; Yuichi ; et al.	2015-08-13
Optical transmitter, control method for the same, and optical transmission system Grant 9,014,572 - Akiyama April 21, 2	2015-04-21
Optical Transmitter And Bias Control Method Of Optical Modulator App 20140334829 - AKIYAMA; YUICHI	2014-11-13
Optical transmitter and optical transmission method Grant 8,879,925 - Akiyama , et al. November 4, 2	2014-11-04
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 Transmitter And Modulated Optical Signal Generating Method App 20140212136 - Akiyama; Yuichi ; et al.	2014-07-31
Optical Transmission Device, Method Of Optical Transmission, And Non-transitory Computer-readable Medium App 20140140707 - AKIYAMA; Yuichi ; et al.	2014-05-22
Method for controlling polarization multiplexed optical signal Grant 8,731,409 - Akiyama , et al. May 20, 2	2014-05-20
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
Method For Controlling Polarization Multiplexed Optical Signal App 20130279913 - AKIYAMA; Yuichi ; et al.	2013-10-24
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 Transmitter And Method For Controlling Bias For Optical Modulator App 20130202315 - Akiyama; Yuichi ; et al.	2013-08-08
Optical signal transmitter and method for controlling polarization multiplexed optical signal Grant 8,472,810 - Akiyama , et al. June 25, 2	2013-06-25
Optical transmitter apparatus Grant 8,457,503 - Akiyama June 4, 2	2013-06-04
Polarization multiplexed light transmitter and control method thereof Grant 8,412,047 - Tanaka , et al. April 2, 2	2013-04-02
Optical modulation device and optical modulation method Grant 8,400,702 - Tanaka , et al. March 19, 2	2013-03-19
Polarization multiplexed optical transmitter and method for controlling polarization multiplexed optical signal Grant 8,364,038 - Mizuguchi , et al. January 29, 2	2013-01-29
Optical Transmitter, Control Method For The Same, And Optical Transmission System App 20120308240 - AKIYAMA; Yuichi	2012-12-06
DQPSK optical receiver Grant 8,285,152 - Akiyama , et al. October 9, 2	2012-10-09
Optical receiver and method for optical reception Grant 8,249,464 - Oda , et al. August 21, 2	2012-08-21
Optical Transmitter And Optical Transmission Method App 20120148260 - AKIYAMA; Yuichi ; et al.	2012-06-14
Dqpsk Optical Receiver App 20120141145 - AKIYAMA; Yuichi ; et al.	2012-06-07
Apparatus and method of controlling tap coefficient of transversal filer, optical receiver apparatus, and optical communication system Grant 8,165,465 - Tanaka , et al. April 24, 2	2012-04-24
Optical Transmitting Apparatus, Optical Receiving Apparatus, And Optical Communication System Comprising Them App 20120082465 - Akiyama; Yuichi ; et al.	2012-04-05
Optical transmitter Grant 8,145,069 - Tanaka , et al. March 27, 2	2012-03-27
Electrical-dispersion compensating apparatus, optical receiving apparatus, and optical receiving method Grant 8,145,071 - Tanaka , et al. March 27, 2	2012-03-27
DQPSK optical receiver Grant 8,145,072 - Akiyama , et al. March 27, 2	2012-03-27
Optical add/drop multiplexer Grant 8,131,152 - Akiyama , et al. March 6, 2	2012-03-06
Optical transmitting apparatus Grant 8,121,492 - Akiyama , et al. February 21, 2	2012-02-21
Polarized-wave-multiplexing Optical Transmitter And Control Method Of Polarized-wave-multiplexed Optical Signal App 20110222853 - TANAKA; Toshiki ; et al.	2011-09-15
Optical Transmitter Apparatus App 20110170877 - AKIYAMA; Yuichi	2011-07-14
Control apparatus and control method for optical modulator Grant 7,945,173 - Akiyama , et al. May 17, 2	2011-05-17
Optical transmitter apparatus Grant 7,936,998 - Akiyama May 3, 2	2011-05-03
Optical cross-connect using wavelength selective switches Grant 7,933,519 - Akiyama , et al. April 26, 2	2011-04-26
Optical modulator and controlling method and apparatus thereof Grant 7,907,324 - Hoshida , et al. March 15, 2	2011-03-15
Polarization Multiplexed Optical Transmitter And Method For Controlling Polarization Multiplexed Optical Signal App 20110044702 - MIZUGUCHI; Noriaki ; et al.	2011-02-24
Optical Add/Drop Multiplexer App 20110038636 - AKIYAMA; Yuichi ; et al.	2011-02-17
Optical modulation device and optical modulation method App 20110032594 - Tanaka; Toshiki ; et al.	2011-02-10
Optical Signal Transmitter And Method For Controlling Polarization Multiplexed Optical Signal App 20110026935 - Akiyama; Yuichi ; et al.	2011-02-03
Method of monitoring optical signal to noise ratio and optical transmission system using the same Grant 7,873,283 - Akiyama , et al. January 18, 2	2011-01-18
Optical add/drop multiplexer Grant 7,853,148 - Akiyama , et al. December 14, 2	2010-12-14
Optical transmitting apparatus and optical communication system Grant 7,848,659 - Miura , et al. December 7, 2	2010-12-07
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
Optical Receiver And Method For Optical Reception App 20100254718 - ODA; Shoichiro ; et al.	2010-10-07
Control apparatus and control method for optical modulator App 20100254716 - Akiyama; Yuichi ; et al.	2010-10-07
Optical add/drop multiplexer Grant 7,792,428 - Akiyama , et al. September 7, 2	2010-09-07
Optical modulation device and optical modulation method Grant 7,773,283 - Tanaka , et al. August 10, 2	2010-08-10
Control apparatus and control method for optical modulator Grant 7,734,192 - Akiyama , et al. June 8, 2	2010-06-08
Optical transmission apparatus having OADM function Grant 7,720,383 - Akiyama , et al. May 18, 2	2010-05-18
Optical node and optical add/drop multiplexer Grant 7,711,270 - Ooi , et al. May 4, 2	2010-05-04
Optical Transmitter Apparatus App 20100098435 - AKIYAMA; Yuichi	2010-04-22
Optical Signal Transmitter App 20100080571 - Akiyama; Yuichi ; et al.	2010-04-01
Polarization multiplexed light transmitter and control method threof App 20100067914 - Tanaka; Toshiki ; et al.	2010-03-18
Optical transmitter apparatus Grant 7,657,190 - Akiyama February 2, 2	2010-02-02
Quadrature phase-shift keying modulator and phase shift amount controlling method for the same Grant 7,603,007 - Terahara , et al. October 13, 2	2009-10-13
Optical modulator and controlling method and apparatus thereof App 20090244685 - Hoshida; Takeshi ; et al.	2009-10-01
Apparatus And Method Of Controlling Tap Coefficient Of Transversal Filer, Optical Receiver Apparatus, And Optical Communication System App 20090226165 - Tanaka; Toshiki ; et al.	2009-09-10
Optical Add/Drop Multiplexer App 20090148166 - AKIYAMA; Yuichi ; et al.	2009-06-11
DQPSK optical receiver App 20090142075 - AKIYAMA; Yuichi ; et al.	2009-06-04
Electrical-dispersion compensating apparatus, optical receiving apparatus, and optical receiving method App 20090116844 - Tanaka; Toshiki ; et al.	2009-05-07
Network designing device and computer-readable medium Grant 7,505,414 - Nakashima , et al. March 17, 2	2009-03-17
Quadrature Phase-shift Keying Modulator And Phase Shift Amount Controlling Method For The Same App 20090047028 - TERAHARA; Takafumi ; et al.	2009-02-19
Control apparatus and control method for optical modulator App 20090034988 - Akiyama; Yuichi ; et al.	2009-02-05
Optical Modulation Device And Optical Modulation Method App 20080239448 - Tanaka; Toshiki ; et al.	2008-10-02
Control apparatus and control method for optical modulator Grant 7,418,211 - Akiyama , et al. August 26, 2	2008-08-26
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 cross-connect using wavelength selective switches App 20080138068 - Akiyama; Yuichi ; et al.	2008-06-12
Wavelength dispersion compensation design method and a system thereof Grant 7,382,979 - Akiyama , et al. June 3, 2	2008-06-03
Optical Transmitter App 20080080872 - Tanaka; Toshiki ; et al.	2008-04-03
Optical transmission apparatus having OADM function App 20080056715 - Akiyama; Yuichi ; et al.	2008-03-06
Optical receiving station, optical communication system, and dispersion controlling method Grant 7,321,736 - Akiyama , et al. January 22, 2	2008-01-22
Optical Transmitter Apparatus App 20070177882 - Akiyama; Yuichi	2007-08-02
Optical transmitting apparatus and optical communication system App 20070065161 - Miura; Akira ; et al.	2007-03-22
Optical receiving station, optical communication system, and dispersion controlling method App 20070019967 - Akiyama; Yuichi ; et al.	2007-01-25
Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them App 20060263097 - Akiyama; Yuichi ; et al.	2006-11-23
Optical Transmitting Apparatus, Optical Receiving Apparatus, And Optical Communication System Comprising Them App 20060263098 - AKIYAMA; Yuichi ; et al.	2006-11-23
Wavelength dispersion compensation design method and a system thereof App 20060193638 - Akiyama; Yuichi ; et al.	2006-08-31
Optical node and optical add/drop multiplexer App 20060140625 - Ooi; Hiroki ; et al.	2006-06-29
Optical receiving station, optical communication system, and dispersion controlling method App 20060115278 - Akiyama; Yuichi ; et al.	2006-06-01
Polarization-mode dispersion detecting method, and a dispersion compensation controlling apparatus and a dispersion compensation controlling method Grant 7,035,548 - Ooi , et al. April 25, 2	2006-04-25
Optical receiving station, optical communication system, and dispersion controlling method Grant 7,006,770 - Akiyama , et al. February 28, 2	2006-02-28
Optical add/drop multiplexer App 20060034610 - Akiyama; Yuichi ; et al.	2006-02-16
Network designing device and program App 20060023641 - Nakashima; Hisao ; et al.	2006-02-02
Control apparatus and control method for an optical method Grant 6,809,849 - Akiyama , et al. October 26, 2	2004-10-26
Control apparatus and control method for optical modulator App 20040190910 - Akiyama, Yuichi ; et al.	2004-09-30
Polarization-mode dispersion detecting method, and a dispersion compensation controlling apparatus and a dispersion compensation controlling method App 20040161243 - Ooi, Hiroki ; et al.	2004-08-19
Polarization-mode dispersion detecting method, and a dispersion compensation controlling apparatus and a dispersion compensation controlling method Grant 6,728,491 - Ooi , et al. April 27, 2	2004-04-27
Method of monitoring optical signal to noise ratio and optical transmission system using the same App 20040067057 - Akiyama, Yuichi ; et al.	2004-04-08
Optical transmitter and optical transmission system Grant 6,661,974 - Akiyama , et al. December 9, 2	2003-12-09
Control apparatus and control method for an optical modulator App 20030184838 - Akiyama, Yuichi ; et al.	2003-10-02
Optical receiving station, optical communication system, and dispersion controlling method App 20010046077 - Akiyama, Yuichi ; et al.	2001-11-29