Kikuchi; Nobuhiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kikuchi; Nobuhiko.The latest application filed is for "optical communication system and optical transmitter".

Company Profile

1.49.38

Kikuchi; Nobuhiko - Tokyo JP
Kikuchi; Nobuhiko - Nerima-ku 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 transceiver, optical transmitter IC, and optical receiver IC Grant 10,469,170 - Kikuchi No	2019-11-05
Optical communication system and optical transmitter Grant 10,250,333 - Kikuchi	2019-04-02
Optical Communication System And Optical Transmitter App 20190052366 - KIKUCHI; Nobuhiko	2019-02-14
Optical communication system and optical transmitter Grant 10,187,158 - Kikuchi Ja	2019-01-22
Optical Transceiver, Optical Transmitter Ic, And Optical Receiver Ic App 20180034549 - KIKUCHI; Nobuhiko	2018-02-01
Optical Communication System And Optical Transmitter App 20170250758 - KIKUCHI; Nobuhiko	2017-08-31
Optical multilevel transmitter and optical transponder Grant 9,485,032 - Wakayama , et al. November 1, 2	2016-11-01
Polarization multiplexing optical transceiver Grant 9,467,245 - Kikuchi October 11, 2	2016-10-11
Optical multilevel signal pre-equalization circuit, optical multilevel signal pre-equalization transmitter, and polarization-multiplexed pre-equalization transmitter Grant 9,178,617 - Kikuchi November 3, 2	2015-11-03
Optical polarization multilevel signal receiving apparatus, optical polarization multilevel signal transmitting apparatus, and optical polarization multilevel signal transmission apparatus Grant 9,143,265 - Kikuchi September 22, 2	2015-09-22
Wavelength-multiplexed optical transmission device, wavelength-multiplexed optical transmission system, wavelength-multiplexed optical transmission method Grant 9,143,846 - Kikuchi September 22, 2	2015-09-22
PDL compensator optical device, and PDL compensation method Grant 9,046,653 - Mandai , et al. June 2, 2	2015-06-02
Polarization Multiplexing Optical Transceiver App 20150139649 - KIKUCHI; Nobuhiko	2015-05-21
Optical Multilevel Transmitter And Optical Transponder App 20150117869 - WAKAYAMA; Yuki ; et al.	2015-04-30
Optical field receiver, optical multilevel signal receiver, and optical transmission system Grant 8,873,968 - Kikuchi October 28, 2	2014-10-28
Optical receiver and optical transmission system Grant 8,855,503 - Kikuchi October 7, 2	2014-10-07
Wavelength-multiplexed Optical Transmission Device, Wavelength-multiplexed Optical Transmission System, Wavelength-multiplexed Optical Transmission Method App 20140286637 - Kikuchi; Nobuhiko	2014-09-25
Polarization-multiplexed optical transmission system, polarization-Multiplexed optical transmitter, and polarization-multiplexed optical receiver Grant 8,805,188 - Kikuchi August 12, 2	2014-08-12
Optical Multilevel Signal Pre-equalization Circuit, Optical Multilevel Signal Pre-equalization Transmitter, And Polarization-multiplexed Pre-equalization Transmitter App 20140147117 - KIKUCHI; Nobuhiko	2014-05-29
Optical transmission system Grant 8,693,886 - Kikuchi April 8, 2	2014-04-08
Optical multi-level transmission system Grant 8,655,193 - Kikuchi February 18, 2	2014-02-18
Optical Polarization Multilevel Signal Receiving Apparatus, Optical Polarization Multilevel Signal Transmitting Apparatus, And Optical Polarization Multilevel Signal Transmission Apparatus App 20140010538 - KIKUCHI; Nobuhiko	2014-01-09
Optical communication module and optical fiber communication system Grant 8,520,196 - Hirai , et al. August 27, 2	2013-08-27
Pre-equalized optical transmitter and pre-equalized optical transmission system Grant 8,503,887 - Kikuchi August 6, 2	2013-08-06
Optical transmission and reception system, and optical receiver Grant 8,483,573 - Kotake , et al. July 9, 2	2013-07-09
Optical field transmitter and optical transmission system Grant 8,472,807 - Kikuchi June 25, 2	2013-06-25
Pdl Compensator Optical Device, And Pdl Compensation Method App 20130142507 - MANDAI; KOHEI ; et al.	2013-06-06
Optical Receiver And Optical Transmission System App 20130108276 - Kikuchi; Nobuhiko	2013-05-02
Polarization multiplexing transmitter and transmission system Grant 8,417,126 - Mandai , et al. April 9, 2	2013-04-09
Optical balanced receiver and IQ receiver with balanced compensation Grant 8,340,533 - Mandai , et al. December 25, 2	2012-12-25
Optical Transmission System App 20120281988 - Kikuchi; Nobuhiko	2012-11-08
Optical field transmitter and optical field transmission system Grant 8,265,489 - Kikuchi September 11, 2	2012-09-11
Optical Communication Module And Optical Fiber Communication System App 20120224168 - HIRAI; Riu ; et al.	2012-09-06
Polarization-Multiplexed Optical Transmission System, Polarization-Multiplexed Optical Transmitter, and Polarization-Multiplexed Optical Receiver App 20120134676 - KIKUCHI; Nobuhiko	2012-05-31
Optical field receiver and optical transmission system Grant 8,184,992 - Kikuchi May 22, 2	2012-05-22
Quaternary phase modulator Grant 8,095,018 - Sekine , et al. January 10, 2	2012-01-10
Optical Multi-Level Transmission System App 20110305457 - Kikuchi; Nobuhiko	2011-12-15
Optical Field Transmitter and Optical Transmission System App 20110236033 - Kikuchi; Nobuhiko	2011-09-29
Optical Transmission and Reception System, and Optical Receiver App 20110182589 - KOTAKE; Hideaki ; et al.	2011-07-28
Polarization Multiplexing Transmitter And Transmission System App 20110170869 - MANDAI; Kohei ; et al.	2011-07-14
Optical modulator Grant 7,978,390 - Kikuchi July 12, 2	2011-07-12
Optical add-drop multiplexer Grant 7,903,975 - Sasaki , et al. March 8, 2	2011-03-08
Signal waveform deterioration compensator Grant 7,813,655 - Kikuchi , et al. October 12, 2	2010-10-12
Photofield Transmitter And Photofield Transmission System App 20100239267 - Kikuchi; Nobuhiko	2010-09-23
Optical transmission system and signal speed converting apparatus Grant 7,769,257 - Kikuchi , et al. August 3, 2	2010-08-03
Optical Field Receiver And Optical Transmission System App 20100021179 - Kikuchi; Nobuhiko	2010-01-28
Optical wavelength add-drop multiplexer Grant 7,653,311 - Kikuchi , et al. January 26, 2	2010-01-26
Optical add-drop multiplexer, and optical network equipment using the same Grant 7,650,075 - Kikuchi January 19, 2	2010-01-19
Optical Modulator App 20090324247 - Kikuchi; Nobuhiko	2009-12-31
Optical Balanced Receiver and IQ Receiver with Balanced Compensation App 20090317075 - MANDAI; Kohei ; et al.	2009-12-24
Apparatus for measuring waveform of optical electric field, optical transmission apparatus connected thereto and a method for producing the optical transmission apparatus Grant 7,616,318 - Kikuchi November 10, 2	2009-11-10
Pre-equalized Optical Transmitter And Pre-equalized Optical Transmission System App 20090238580 - KIKUCHI; Nobuhiko	2009-09-24
Optical Field Receiver, Optical Multilevel Signal Receiver, And Optical Transmission System App 20090208224 - Kikuchi; Nobuhiko	2009-08-20
Optical Transmission System And Signal Speed Converting Apparatus App 20090116839 - Kikuchi; Nobuhiko ; et al.	2009-05-07
Quaternary phase modulator App 20090092401 - Sekine; Kenro ; et al.	2009-04-09
Optical transmission equipment and integrated circuit Grant 7,515,832 - Kikuchi April 7, 2	2009-04-07
Optical modulation device, optical transmitter, and optical transmission equipment Grant 7,450,288 - Kikuchi November 11, 2	2008-11-11
Optical Modulation Device, Optical Transmitter, And Optical Transmission Equipment App 20070146860 - KIKUCHI; Nobuhiko	2007-06-28
Signal waveform deterioration compensator App 20070065162 - Kikuchi; Nobuhiko	2007-03-22
Apparatus for measuring waveform of optical electric filed, optical transmission apparatus connected thereto and a method for producing the optical transmission apparatus App 20070046952 - Kikuchi; Nobuhiko	2007-03-01
Optical transmission equipment and integrated circuit App 20060269294 - Kikuchi; Nobuhiko	2006-11-30
Optical add-drop multiplexer, and optical network equipment using the same App 20060171717 - Kikuchi; Nobuhiko	2006-08-03
Optical wavelength add-drop multiplexer App 20050226621 - Kikuchi, Nobuhiko ; et al.	2005-10-13
Optical add-drop multiplexer App 20050175041 - Sasaki, Shinya ; et al.	2005-08-11
Optical amplifiers, optical fiber raman amplifiers and optical systems Grant 6,891,659 - Kikuchi May 10, 2	2005-05-10
Equipments including transponder for optical fiber transmission Grant 6,850,663 - Kikuchi , et al. February 1, 2	2005-02-01
Optical single sideband transmitter Grant 6,850,713 - Kikuchi , et al. February 1, 2	2005-02-01
Wavelength-multiplexed narrow-bandwidth optical transmitter and wavelength-multiplexed vestigial-side-band optical transmitter App 20040208428 - Kikuchi, Nobuhiko ; et al.	2004-10-21
Optical Amplifiers, Optical Fiber Raman Amplifiers And Optical Systems App 20040201882 - Kikuchi, Nobuhiko	2004-10-14
Polarization mode dispersion compensator and compensation method Grant 6,671,464 - Kikuchi December 30, 2	2003-12-30
Optical single sideband transmitter App 20030189745 - Kikuchi, Nobuhiko ; et al.	2003-10-09
Equipments including transponder for optical fiber transmission App 20030147585 - Kikuchi, Nobuhiko ; et al.	2003-08-07
Band-expanding method for optical amplifiers and optical transmission apparatus Grant 6,587,260 - Kikuchi , et al. July 1, 2	2003-07-01
Equipments, transpondor and methods for optical fiber transmission Grant 6,532,320 - Kikuchi , et al. March 11, 2	2003-03-11
Band-expanding method for optical amplifiers and optical transmission apparatus App 20020145796 - Kikuchi, Nobuhiko ; et al.	2002-10-10
Optical transmission system Grant 5,606,445 - Kikuchi , et al. February 25, 1	1997-02-25

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