Tomoaki Kato

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical signal control device and optical signal control method
- Patent number 9,391,710
- Issue date Jul 12, 2016
- NEC Corporation
- Mineto Satoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulator module, integrated circuit for driving optical mo...
- Patent number 9,217,883
- Issue date Dec 22, 2015
- NEC Corporation
- Tomoaki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulator module and modulation method for optical signal
- Patent number 9,143,237
- Issue date Sep 22, 2015
- NEC Corporation
- Tomoaki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulator module and method for modulating optical signal
- Patent number 8,744,219
- Issue date Jun 3, 2014
- NEC Corporation
- Tomoaki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor optical modulator, semiconductor optical integrated d...
- Patent number 8,600,198
- Issue date Dec 3, 2013
- NEC Corporation
- Shinya Sudo
- G02 - OPTICS
Information Patent Grant
Voltage nonlinear resistor, lightning arrester equipped with voltag...
- Patent number 8,562,859
- Issue date Oct 22, 2013
- Mitsubishi Electric Corporation
- Tomoaki Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical modulator and semiconductor mach-zehnder opti...
- Patent number 8,498,501
- Issue date Jul 30, 2013
- NEC Corporation
- Kenji Sato
- G02 - OPTICS
Information Patent Grant
Optical joint
- Patent number 8,433,164
- Issue date Apr 30, 2013
- NEC Corporation
- Takeshi Okamoto
- G02 - OPTICS
Information Patent Grant
Wavelength-tunable optical transmitter
- Patent number 8,306,375
- Issue date Nov 6, 2012
- NEC Corporation
- Tomoaki Kato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Waveguide-type semiconductor optical modulator and method for manuf...
- Patent number 8,300,991
- Issue date Oct 30, 2012
- NEC Corporation
- Tomoaki Kato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor optical modulator
- Patent number 7,830,580
- Issue date Nov 9, 2010
- NEC Corporation
- Tomoaki Kato
- G02 - OPTICS
Information Patent Grant
Optical modulator exciting circuit
- Patent number 7,023,599
- Issue date Apr 4, 2006
- NEC Corporation
- Tomoaki Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated optical module
- Patent number 6,813,404
- Issue date Nov 2, 2004
- NEC Corporation
- Tomoaki Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical integrated module
- Patent number 6,556,735
- Issue date Apr 29, 2003
- NEC Corporation
- Tomoaki Kato
- G02 - OPTICS
Information Patent Grant
Waveguide element, waveguide branch or coupler element and waveguid...
- Patent number 6,335,994
- Issue date Jan 1, 2002
- NEC Corporation
- Tomoaki Kato
- G02 - OPTICS
Information Patent Grant
Optical module and a method for fabricating a same
- Patent number 6,238,100
- Issue date May 29, 2001
- NEC Corporation
- Junichi Sasaki
- G02 - OPTICS
Information Patent Grant
Method for fabricating semiconductor light integrated circuit
- Patent number 6,224,667
- Issue date May 1, 2001
- NEC Corporation
- Tomoaki Kato
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Voltage nonlinear resistor and lightning arrester
- Patent number 6,100,785
- Issue date Aug 8, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Tomoaki Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage-dependent non-linear resistor member, method for producing...
- Patent number 6,011,459
- Issue date Jan 4, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Kei-Ichiro Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Voltage-dependent non-linear resistor member, method for producing...
- Patent number 5,910,761
- Issue date Jun 8, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Kei-Ichiro Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Driving method for tunable semiconductor laser diode, tunable light...
- Patent number 5,889,801
- Issue date Mar 30, 1999
- NEC Corporation
- Tomoaki Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric resistance element exhibiting voltage nonlinearity charact...
- Patent number 5,807,510
- Issue date Sep 15, 1998
- Mitsubishi Denki Kabushiki Kaisha
- Naomi Furuse
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing optical integrated circuit
- Patent number 5,358,896
- Issue date Oct 25, 1994
- NEC Corporation
- Keiro Komatsu
- G02 - OPTICS
Information Patent Grant
Optical waveguide formed of compound semiconductor materials and pr...
- Patent number 5,237,639
- Issue date Aug 17, 1993
- NEC Corporation
- Tomoaki Kato
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULATOR MODULE AND MODULATION METHOD FOR OPTICAL SIGNAL
- Publication number 20140233962
- Publication date Aug 21, 2014
- NEC Corporation
- Tomoaki Kato
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR MODULE, INTEGRATED CIRCUIT FOR DRIVING OPTICAL MO...
- Publication number 20140169723
- Publication date Jun 19, 2014
- NEC Corporation
- Tomoaki Kato
- G02 - OPTICS
Information Patent Application
OPTICAL SIGNAL CONTROL DEVICE AND OPTICAL SIGNAL CONTROL METHOD
- Publication number 20130272700
- Publication date Oct 17, 2013
- NEC Corporation
- Mineto Satoh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULATOR MODULE AND METHOD FOR MODULATING OPTICAL SIGNAL
- Publication number 20120251032
- Publication date Oct 4, 2012
- NEC Corporation
- Tomoaki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SEMICONDUCTOR OPTICAL MODULATOR AND SEMICONDUCTOR MACH-ZEHNDER OPTI...
- Publication number 20120183249
- Publication date Jul 19, 2012
- Kenji Sato
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR OPTICAL MODULATOR, SEMICONDUCTOR OPTICAL INTEGRATED D...
- Publication number 20110317956
- Publication date Dec 29, 2011
- Shinya Sudo
- G02 - OPTICS
Information Patent Application
VOLTAGE NONLINEAR RESISTOR, LIGHTNING ARRESTER EQUIPPED WITH VOLTAG...
- Publication number 20110204287
- Publication date Aug 25, 2011
- Mitsubishi Electric Corporation
- Tomoaki Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL JOINT
- Publication number 20110188804
- Publication date Aug 4, 2011
- Takeshi Okamoto
- G02 - OPTICS
Information Patent Application
WAVELENGTH-TUNABLE OPTICAL TRANSMITTER
- Publication number 20110135251
- Publication date Jun 9, 2011
- NEC Corporation
- Tomoaki Kato
- G02 - OPTICS
Information Patent Application
WAVEGUIDE-TYPE SEMICONDUCTOR OPTICAL MODULATOR AND METHOD FOR MANUF...
- Publication number 20110002575
- Publication date Jan 6, 2011
- Tomoaki Kato
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR OPTICAL MODULATOR
- Publication number 20100142026
- Publication date Jun 10, 2010
- NEC Corporation
- Tomoaki Kato
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR ELEMENT AND METHOD FOR MANUFACTURING SEMICONDUCTOR EL...
- Publication number 20090267195
- Publication date Oct 29, 2009
- NEC Corporation
- Tomoaki Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Modulator-integrated light source and its manufacturing method
- Publication number 20070189344
- Publication date Aug 16, 2007
- NEC Corporation
- Kenji Sato
- G02 - OPTICS
Information Patent Application
Distributed-feedback semiconductor laser, distributed-feedback semi...
- Publication number 20070104242
- Publication date May 10, 2007
- NEC Corporation
- Koji Kudo
- B82 - NANO-TECHNOLOGY
Information Patent Application
Optical modulator exciting circuit
- Publication number 20050146766
- Publication date Jul 7, 2005
- NEC Corporation
- Tomoaki Kato
- G02 - OPTICS
Information Patent Application
Integrated optical module
- Publication number 20020150320
- Publication date Oct 17, 2002
- Tomoaki Kato
- G02 - OPTICS

Tomoaki Kato

Person

Patents Grantslast 30 patents

Optical signal control device and optical signal control method

Optical modulator module, integrated circuit for driving optical mo...

Optical modulator module and modulation method for optical signal

Optical modulator module and method for modulating optical signal

Semiconductor optical modulator, semiconductor optical integrated d...

Voltage nonlinear resistor, lightning arrester equipped with voltag...

Semiconductor optical modulator and semiconductor mach-zehnder opti...

Optical joint

Wavelength-tunable optical transmitter

Waveguide-type semiconductor optical modulator and method for manuf...

Semiconductor optical modulator

Optical modulator exciting circuit

Integrated optical module

Optical integrated module

Waveguide element, waveguide branch or coupler element and waveguid...

Optical module and a method for fabricating a same

Method for fabricating semiconductor light integrated circuit

Voltage nonlinear resistor and lightning arrester

Voltage-dependent non-linear resistor member, method for producing...

Voltage-dependent non-linear resistor member, method for producing...

Driving method for tunable semiconductor laser diode, tunable light...

Electric resistance element exhibiting voltage nonlinearity charact...

Method of producing optical integrated circuit

Optical waveguide formed of compound semiconductor materials and pr...

Patents Applicationslast 30 patents

OPTICAL MODULATOR MODULE AND MODULATION METHOD FOR OPTICAL SIGNAL

OPTICAL MODULATOR MODULE, INTEGRATED CIRCUIT FOR DRIVING OPTICAL MO...

OPTICAL SIGNAL CONTROL DEVICE AND OPTICAL SIGNAL CONTROL METHOD

OPTICAL MODULATOR MODULE AND METHOD FOR MODULATING OPTICAL SIGNAL

SEMICONDUCTOR OPTICAL MODULATOR AND SEMICONDUCTOR MACH-ZEHNDER OPTI...

SEMICONDUCTOR OPTICAL MODULATOR, SEMICONDUCTOR OPTICAL INTEGRATED D...

VOLTAGE NONLINEAR RESISTOR, LIGHTNING ARRESTER EQUIPPED WITH VOLTAG...

OPTICAL JOINT

WAVELENGTH-TUNABLE OPTICAL TRANSMITTER

WAVEGUIDE-TYPE SEMICONDUCTOR OPTICAL MODULATOR AND METHOD FOR MANUF...

SEMICONDUCTOR OPTICAL MODULATOR

SEMICONDUCTOR ELEMENT AND METHOD FOR MANUFACTURING SEMICONDUCTOR EL...

Modulator-integrated light source and its manufacturing method

Distributed-feedback semiconductor laser, distributed-feedback semi...

Optical modulator exciting circuit

Integrated optical module