Nobuhiko Kikuchi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transceiver, optical transmitter IC, and optical receiver IC
- Patent number 10,469,170
- Issue date Nov 5, 2019
- Lumentum Japan, Inc.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system and optical transmitter
- Patent number 10,250,333
- Issue date Apr 2, 2019
- Oclaro Japan, Inc.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system and optical transmitter
- Patent number 10,187,158
- Issue date Jan 22, 2019
- Oclaro Japan, Inc.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical multilevel transmitter and optical transponder
- Patent number 9,485,032
- Issue date Nov 1, 2016
- Hitachi, Ltd.
- Yuki Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization multiplexing optical transceiver
- Patent number 9,467,245
- Issue date Oct 11, 2016
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical multilevel signal pre-equalization circuit, optical multile...
- Patent number 9,178,617
- Issue date Nov 3, 2015
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength-multiplexed optical transmission device, wavelength-mult...
- Patent number 9,143,846
- Issue date Sep 22, 2015
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical polarization multilevel signal receiving apparatus, optical...
- Patent number 9,143,265
- Issue date Sep 22, 2015
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
PDL compensator optical device, and PDL compensation method
- Patent number 9,046,653
- Issue date Jun 2, 2015
- Hitachi, Ltd.
- Kohei Mandai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical field receiver, optical multilevel signal receiver, and opt...
- Patent number 8,873,968
- Issue date Oct 28, 2014
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver and optical transmission system
- Patent number 8,855,503
- Issue date Oct 7, 2014
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization-multiplexed optical transmission system, polarization-...
- Patent number 8,805,188
- Issue date Aug 12, 2014
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 8,693,886
- Issue date Apr 8, 2014
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical multi-level transmission system
- Patent number 8,655,193
- Issue date Feb 18, 2014
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication module and optical fiber communication system
- Patent number 8,520,196
- Issue date Aug 27, 2013
- Hitachi, Ltd.
- Riu Hirai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pre-equalized optical transmitter and pre-equalized optical transmi...
- Patent number 8,503,887
- Issue date Aug 6, 2013
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission and reception system, and optical receiver
- Patent number 8,483,573
- Issue date Jul 9, 2013
- Hitachi, Ltd.
- Hideaki Kotake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical field transmitter and optical transmission system
- Patent number 8,472,807
- Issue date Jun 25, 2013
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization multiplexing transmitter and transmission system
- Patent number 8,417,126
- Issue date Apr 9, 2013
- Hitachi, Ltd.
- Kohei Mandai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical balanced receiver and IQ receiver with balanced compensation
- Patent number 8,340,533
- Issue date Dec 25, 2012
- Hitachi, Ltd.
- Kohei Mandai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical field transmitter and optical field transmission system
- Patent number 8,265,489
- Issue date Sep 11, 2012
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical field receiver and optical transmission system
- Patent number 8,184,992
- Issue date May 22, 2012
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quaternary phase modulator
- Patent number 8,095,018
- Issue date Jan 10, 2012
- Hitachi, Ltd.
- Kenro Sekine
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulator
- Patent number 7,978,390
- Issue date Jul 12, 2011
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical add-drop multiplexer
- Patent number 7,903,975
- Issue date Mar 8, 2011
- Hitachi, Ltd.
- Shinya Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal waveform deterioration compensator
- Patent number 7,813,655
- Issue date Oct 12, 2010
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and signal speed converting apparatus
- Patent number 7,769,257
- Issue date Aug 3, 2010
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength add-drop multiplexer
- Patent number 7,653,311
- Issue date Jan 26, 2010
- Hitachi Communication Technologies, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical add-drop multiplexer, and optical network equipment using t...
- Patent number 7,650,075
- Issue date Jan 19, 2010
- Hitachi Communication Technologies, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for measuring waveform of optical electric field, optical...
- Patent number 7,616,318
- Issue date Nov 10, 2009
- Hitachi Communication Technologies, Ltd.
- Nobuhiko Kikuchi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
WAVELENGTH MULTIPLEXING OPTICAL TRANSMISSION SYSTEM AND WAVELENGTH...
- Publication number 20240113797
- Publication date Apr 4, 2024
- Lumentum Japan, Inc.
- Nobuhiko KIKUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM AND OPTICAL TRANSMITTER
- Publication number 20190052366
- Publication date Feb 14, 2019
- Oclaro Japan, Inc.
- Nobuhiko KIKUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSCEIVER, OPTICAL TRANSMITTER IC, AND OPTICAL RECEIVER IC
- Publication number 20180034549
- Publication date Feb 1, 2018
- OCLARO JAPAN, INC.
- Nobuhiko KIKUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM AND OPTICAL TRANSMITTER
- Publication number 20170250758
- Publication date Aug 31, 2017
- Oclaro Japan, Inc.
- Nobuhiko KIKUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZATION MULTIPLEXING OPTICAL TRANSCEIVER
- Publication number 20150139649
- Publication date May 21, 2015
- Hitachi, Ltd
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MULTILEVEL TRANSMITTER AND OPTICAL TRANSPONDER
- Publication number 20150117869
- Publication date Apr 30, 2015
- Hitachi, Ltd
- Yuki WAKAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH-MULTIPLEXED OPTICAL TRANSMISSION DEVICE, WAVELENGTH-MULT...
- Publication number 20140286637
- Publication date Sep 25, 2014
- Hitachi, Ltd
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MULTILEVEL SIGNAL PRE-EQUALIZATION CIRCUIT, OPTICAL MULTILE...
- Publication number 20140147117
- Publication date May 29, 2014
- Hitachi, Ltd
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL POLARIZATION MULTILEVEL SIGNAL RECEIVING APPARATUS, OPTICAL...
- Publication number 20140010538
- Publication date Jan 9, 2014
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PDL COMPENSATOR OPTICAL DEVICE, AND PDL COMPENSATION METHOD
- Publication number 20130142507
- Publication date Jun 6, 2013
- Hitachi, Ltd
- KOHEI MANDAI
- G02 - OPTICS
Information Patent Application
OPTICAL RECEIVER AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20130108276
- Publication date May 2, 2013
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Transmission System
- Publication number 20120281988
- Publication date Nov 8, 2012
- Hitachi, Ltd
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION MODULE AND OPTICAL FIBER COMMUNICATION SYSTEM
- Publication number 20120224168
- Publication date Sep 6, 2012
- Hitachi, Ltd
- Riu HIRAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization-Multiplexed Optical Transmission System, Polarization-...
- Publication number 20120134676
- Publication date May 31, 2012
- Hitachi, Ltd
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Multi-Level Transmission System
- Publication number 20110305457
- Publication date Dec 15, 2011
- Hitachi, Ltd
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Field Transmitter and Optical Transmission System
- Publication number 20110236033
- Publication date Sep 29, 2011
- Hitachi, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Transmission and Reception System, and Optical Receiver
- Publication number 20110182589
- Publication date Jul 28, 2011
- Hitachi, Ltd
- Hideaki KOTAKE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZATION MULTIPLEXING TRANSMITTER AND TRANSMISSION SYSTEM
- Publication number 20110170869
- Publication date Jul 14, 2011
- Hitachi, Ltd
- Kohei MANDAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHOTOFIELD TRANSMITTER AND PHOTOFIELD TRANSMISSION SYSTEM
- Publication number 20100239267
- Publication date Sep 23, 2010
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIELD RECEIVER AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20100021179
- Publication date Jan 28, 2010
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULATOR
- Publication number 20090324247
- Publication date Dec 31, 2009
- Hitachi Communication Technologies, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Balanced Receiver and IQ Receiver with Balanced Compensation
- Publication number 20090317075
- Publication date Dec 24, 2009
- Hitachi Communication Technologies, Ltd.
- Kohei MANDAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PRE-EQUALIZED OPTICAL TRANSMITTER AND PRE-EQUALIZED OPTICAL TRANSMI...
- Publication number 20090238580
- Publication date Sep 24, 2009
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIELD RECEIVER, OPTICAL MULTILEVEL SIGNAL RECEIVER, AND OPT...
- Publication number 20090208224
- Publication date Aug 20, 2009
- Hitachi Communication Technologies, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND SIGNAL SPEED CONVERTING APPARATUS
- Publication number 20090116839
- Publication date May 7, 2009
- Hitachi Communications Technologies, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Quaternary phase modulator
- Publication number 20090092401
- Publication date Apr 9, 2009
- Hitachi Communication Technologies, Ltd.
- Kenro Sekine
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULATION DEVICE, OPTICAL TRANSMITTER, AND OPTICAL TRANSMI...
- Publication number 20070146860
- Publication date Jun 28, 2007
- Nobuhiko KIKUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal waveform deterioration compensator
- Publication number 20070065162
- Publication date Mar 22, 2007
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus for measuring waveform of optical electric filed, optical...
- Publication number 20070046952
- Publication date Mar 1, 2007
- Hitachi Communication Technologies, Ltd.
- Nobuhiko Kikuchi
- G01 - MEASURING TESTING
Information Patent Application
Optical transmission equipment and integrated circuit
- Publication number 20060269294
- Publication date Nov 30, 2006
- Hitachi Communication Technologies, Ltd.
- Nobuhiko Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Nobuhiko Kikuchi

Person

Patents Grantslast 30 patents

Optical transceiver, optical transmitter IC, and optical receiver IC

Optical communication system and optical transmitter

Optical communication system and optical transmitter

Optical multilevel transmitter and optical transponder

Polarization multiplexing optical transceiver

Optical multilevel signal pre-equalization circuit, optical multile...

Wavelength-multiplexed optical transmission device, wavelength-mult...

Optical polarization multilevel signal receiving apparatus, optical...

PDL compensator optical device, and PDL compensation method

Optical field receiver, optical multilevel signal receiver, and opt...

Optical receiver and optical transmission system

Polarization-multiplexed optical transmission system, polarization-...

Optical transmission system

Optical multi-level transmission system

Optical communication module and optical fiber communication system

Pre-equalized optical transmitter and pre-equalized optical transmi...

Optical transmission and reception system, and optical receiver

Optical field transmitter and optical transmission system

Polarization multiplexing transmitter and transmission system

Optical balanced receiver and IQ receiver with balanced compensation

Optical field transmitter and optical field transmission system

Optical field receiver and optical transmission system

Quaternary phase modulator

Optical modulator

Optical add-drop multiplexer

Signal waveform deterioration compensator

Optical transmission system and signal speed converting apparatus

Optical wavelength add-drop multiplexer

Optical add-drop multiplexer, and optical network equipment using t...

Apparatus for measuring waveform of optical electric field, optical...

Patents Applicationslast 30 patents

WAVELENGTH MULTIPLEXING OPTICAL TRANSMISSION SYSTEM AND WAVELENGTH...

OPTICAL COMMUNICATION SYSTEM AND OPTICAL TRANSMITTER

OPTICAL TRANSCEIVER, OPTICAL TRANSMITTER IC, AND OPTICAL RECEIVER IC

OPTICAL COMMUNICATION SYSTEM AND OPTICAL TRANSMITTER

POLARIZATION MULTIPLEXING OPTICAL TRANSCEIVER

OPTICAL MULTILEVEL TRANSMITTER AND OPTICAL TRANSPONDER

WAVELENGTH-MULTIPLEXED OPTICAL TRANSMISSION DEVICE, WAVELENGTH-MULT...

OPTICAL MULTILEVEL SIGNAL PRE-EQUALIZATION CIRCUIT, OPTICAL MULTILE...

OPTICAL POLARIZATION MULTILEVEL SIGNAL RECEIVING APPARATUS, OPTICAL...

PDL COMPENSATOR OPTICAL DEVICE, AND PDL COMPENSATION METHOD

OPTICAL RECEIVER AND OPTICAL TRANSMISSION SYSTEM

Optical Transmission System

OPTICAL COMMUNICATION MODULE AND OPTICAL FIBER COMMUNICATION SYSTEM

Polarization-Multiplexed Optical Transmission System, Polarization-...

Optical Multi-Level Transmission System

Optical Field Transmitter and Optical Transmission System

Optical Transmission and Reception System, and Optical Receiver

POLARIZATION MULTIPLEXING TRANSMITTER AND TRANSMISSION SYSTEM

PHOTOFIELD TRANSMITTER AND PHOTOFIELD TRANSMISSION SYSTEM

OPTICAL FIELD RECEIVER AND OPTICAL TRANSMISSION SYSTEM

OPTICAL MODULATOR

Optical Balanced Receiver and IQ Receiver with Balanced Compensation

PRE-EQUALIZED OPTICAL TRANSMITTER AND PRE-EQUALIZED OPTICAL TRANSMI...

OPTICAL FIELD RECEIVER, OPTICAL MULTILEVEL SIGNAL RECEIVER, AND OPT...

OPTICAL TRANSMISSION SYSTEM AND SIGNAL SPEED CONVERTING APPARATUS

Quaternary phase modulator

OPTICAL MODULATION DEVICE, OPTICAL TRANSMITTER, AND OPTICAL TRANSMI...

Signal waveform deterioration compensator

Apparatus for measuring waveform of optical electric filed, optical...

Optical transmission equipment and integrated circuit