Masashige Ishizaka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Spot size converter, light source, optical transmitter, optical rec...
- Patent number 9,964,704
- Issue date May 8, 2018
- Fujitsu Limited
- Nobuaki Hatori
- G02 - OPTICS
Information Patent Grant
Optical waveguide, optical interposer and light source
- Patent number 9,904,011
- Issue date Feb 27, 2018
- Fujitsu Limited
- Nobuaki Hatori
- G02 - OPTICS
Information Patent Grant
Semiconductor light emitting device and optical transceiver
- Patent number 9,871,347
- Issue date Jan 16, 2018
- Fujitsu Limited
- Nobuaki Hatori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Manufacturing method for a phase modulation system with ultraviolet...
- Patent number 9,729,246
- Issue date Aug 8, 2017
- NEC Corporation
- Masashige Ishizaka
- G02 - OPTICS
Information Patent Grant
Integrated light source and light output control method
- Patent number 9,664,981
- Issue date May 30, 2017
- NEC Corporation
- Takanori Shimizu
- G02 - OPTICS
Information Patent Grant
Optical transmitter and optical communication device
- Patent number 9,628,190
- Issue date Apr 18, 2017
- NEC Corporation
- Yutaka Urino
- G02 - OPTICS
Information Patent Grant
Semiconductor optical waveguide device with an anti-reflection diff...
- Patent number 9,612,411
- Issue date Apr 4, 2017
- Fujitsu Limited
- Nobuaki Hatori
- G02 - OPTICS
Information Patent Grant
Optical waveguide coupler and method for manufacturing same
- Patent number 9,429,706
- Issue date Aug 30, 2016
- Fujitsu Limited
- Nobuaki Hatori
- G02 - OPTICS
Information Patent Grant
Optical device, optical transmitter, optical receiver, optical tran...
- Patent number 9,297,956
- Issue date Mar 29, 2016
- Fujitsu Limited
- Nobuaki Hatori
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Optical semiconductor apparatus
- Patent number 9,235,000
- Issue date Jan 12, 2016
- Fujitsu Limited
- Nobuaki Hatori
- G02 - OPTICS
Information Patent Grant
Spot size converter, optical transmitter, optical receiver, optical...
- Patent number 9,195,001
- Issue date Nov 24, 2015
- Fujitsu Limited
- Nobuaki Hatori
- G02 - OPTICS
Information Patent Grant
Light source circuit and light source device equipped with same
- Patent number 9,151,894
- Issue date Oct 6, 2015
- National Institute of Advanced Industrial Science and Technology
- Makoto Okano
- G02 - OPTICS
Information Patent Grant
Spot size converter and method for making the same
- Patent number 9,151,892
- Issue date Oct 6, 2015
- NEC Corporation
- Shigeki Takahashi
- G02 - OPTICS
Information Patent Grant
Optical semiconductor device, light emitting device, optical transm...
- Patent number 9,130,352
- Issue date Sep 8, 2015
- NEC Corporation
- Nobuaki Hatori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spot-size converter, manufacturing method thereof, and integrated o...
- Patent number 9,128,240
- Issue date Sep 8, 2015
- Fujitsu Limited
- Nobuaki Hatori
- G02 - OPTICS
Information Patent Grant
Wavelength-variable light source with dual resonator loop circuit
- Patent number 8,379,300
- Issue date Feb 19, 2013
- NEC Corporation
- Masashige Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical waveguide and method for producing the same
- Patent number 8,126,301
- Issue date Feb 28, 2012
- NEC Corporation
- Masashige Ishizaka
- G02 - OPTICS
Information Patent Grant
Optical functional device and fabrication process of the same
- Patent number 7,616,843
- Issue date Nov 10, 2009
- NEC Corporation
- Masashige Ishizaka
- G02 - OPTICS
Information Patent Grant
Optical switch and path switching method
- Patent number 7,546,005
- Issue date Jun 9, 2009
- NEC Corporation
- Masashige Ishizaka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Light source for integrating modulator and module for optical commu...
- Patent number 6,646,775
- Issue date Nov 11, 2003
- NEC Corporation
- Masashige Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and device for selecting light source for optical communication
- Patent number 6,477,311
- Issue date Nov 5, 2002
- NEC Corporation
- Masashige Ishizaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for making semiconductor optical modulator
- Patent number 6,426,236
- Issue date Jul 30, 2002
- NEC Corporation
- Masashige Ishizaka
- G02 - OPTICS
Information Patent Grant
Optical communication module
- Patent number 6,318,906
- Issue date Nov 20, 2001
- NEC Corporation
- Masashige Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical modulator
- Patent number 6,150,667
- Issue date Nov 21, 2000
- NEC Corporation
- Masashige Ishizaka
- G02 - OPTICS
Information Patent Grant
Driving apparatus for optical modulator and driving apparatus for m...
- Patent number 6,002,510
- Issue date Dec 14, 1999
- NEC Corporation
- Masashige Ishizaka
- G02 - OPTICS
Information Patent Grant
Electroabsorption optical intesity modulator having a plurality of...
- Patent number 5,999,298
- Issue date Dec 7, 1999
- NEC Corporation
- Masashige Ishizaka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor electroabsorption optical modulator
- Patent number 5,953,149
- Issue date Sep 14, 1999
- NEC Corporation
- Masashige Ishizaka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Semiconductor mach-zehnder-type optical modulator
- Patent number 5,757,985
- Issue date May 26, 1998
- NEC Corporation
- Masashige Ishizaka
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Mach-Zehnder type modulator and method of driving the same
- Patent number 5,655,034
- Issue date Aug 5, 1997
- NEC Corporation
- Masashige Ishizaka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND OPTICAL TRANSCEIVER
- Publication number 20170098922
- Publication date Apr 6, 2017
- Fujitsu Limited
- Nobuaki Hatori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRATED LIGHT SOURCE AND LIGHT OUTPUT CONTROL METHOD
- Publication number 20160274438
- Publication date Sep 22, 2016
- NEC Corporation
- Takanori SHIMIZU
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE COUPLER AND METHOD FOR MANUFACTURING SAME
- Publication number 20150277044
- Publication date Oct 1, 2015
- Fujitsu Limited
- Nobuaki HATORI
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR OPTICAL WAVEGUIDE DEVICE
- Publication number 20150277072
- Publication date Oct 1, 2015
- FUJITSU LIMITED
- Nobuaki HATORI
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSMITTER AND OPTICAL COMMUNICATION DEVICE
- Publication number 20150155945
- Publication date Jun 4, 2015
- NEC Corporation
- Yutaka Urino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICALLY FUNCTIONAL DEVICE, AND MANUFACTURING METHOD THEREOF
- Publication number 20150063801
- Publication date Mar 5, 2015
- NEC Corporation
- Masashige Ishizaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT SOURCE CIRCUIT AND LIGHT SOURCE DEVICE EQUIPPED WITH SAME
- Publication number 20150036964
- Publication date Feb 5, 2015
- Makoto Okano
- G02 - OPTICS
Information Patent Application
OPTICAL SEMICONDUCTOR APPARATUS
- Publication number 20140314370
- Publication date Oct 23, 2014
- NEC Corporation
- Nobuaki HATORI
- G02 - OPTICS
Information Patent Application
SPOT-SIZE CONVERTER, MANUFACTURING METHOD THEREOF, AND INTEGRATED O...
- Publication number 20140294341
- Publication date Oct 2, 2014
- NEC Corporation
- Nobuaki Hatori
- G02 - OPTICS
Information Patent Application
SPOT SIZE CONVERTER, LIGHT SOURCE, OPTICAL TRANSMITTER, OPTICAL REC...
- Publication number 20140233901
- Publication date Aug 21, 2014
- NEC Corporation
- Nobuaki HATORI
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE, OPTICAL INTERPOSER AND LIGHT SOURCE
- Publication number 20140233881
- Publication date Aug 21, 2014
- NEC Corporation
- Nobuaki HATORI
- G02 - OPTICS
Information Patent Application
SPOT SIZE CONVERTER AND METHOD FOR MAKING THE SAME
- Publication number 20130322816
- Publication date Dec 5, 2013
- NEC Corporation
- Shigeki Takahashi
- G02 - OPTICS
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE, LIGHT EMITTING DEVICE, OPTICAL TRANSM...
- Publication number 20130259081
- Publication date Oct 3, 2013
- Nobuaki HATORI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL DEVICE, OPTICAL TRANSMITTER, OPTICAL RECEIVER, OPTICAL TRAN...
- Publication number 20130229809
- Publication date Sep 5, 2013
- NEC Corporation
- Nobuaki HATORI
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
SPOT SIZE CONVERTER, OPTICAL TRANSMITTER, OPTICAL RECEIVER, OPTICAL...
- Publication number 20130170807
- Publication date Jul 4, 2013
- NEC Corporation
- Nobuaki HATORI
- G02 - OPTICS
Information Patent Application
WAVELENGTH-VARIABLE LIGHT SOURCE
- Publication number 20100296159
- Publication date Nov 25, 2010
- Masashige Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL WAVEGUIDE AND METHOD FOR FABRICATING THE SAME
- Publication number 20100086255
- Publication date Apr 8, 2010
- Masashige Ishizaka
- G02 - OPTICS
Information Patent Application
Optical Switch And Path Switching Method
- Publication number 20080031568
- Publication date Feb 7, 2008
- Masashige Ishizaka
- G02 - OPTICS
Information Patent Application
Optical functional device and fabrication process of the same
- Publication number 20070147724
- Publication date Jun 28, 2007
- NEC Corporation
- Masashige Ishizaka
- G02 - OPTICS
Information Patent Application
Method and device for selecting light source for optical communication
- Publication number 20020034202
- Publication date Mar 21, 2002
- NEC Corporation
- Masashige Ishizaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light source for integrating modulator and module for optical commu...
- Publication number 20010043384
- Publication date Nov 22, 2001
- NEC Corporation
- Masashige Ishizaka
- H01 - BASIC ELECTRIC ELEMENTS

Masashige Ishizaka

Person

Patents Grantslast 30 patents

Spot size converter, light source, optical transmitter, optical rec...

Optical waveguide, optical interposer and light source

Semiconductor light emitting device and optical transceiver

Manufacturing method for a phase modulation system with ultraviolet...

Integrated light source and light output control method

Optical transmitter and optical communication device

Semiconductor optical waveguide device with an anti-reflection diff...

Optical waveguide coupler and method for manufacturing same

Optical device, optical transmitter, optical receiver, optical tran...

Optical semiconductor apparatus

Spot size converter, optical transmitter, optical receiver, optical...

Light source circuit and light source device equipped with same

Spot size converter and method for making the same

Optical semiconductor device, light emitting device, optical transm...

Spot-size converter, manufacturing method thereof, and integrated o...

Wavelength-variable light source with dual resonator loop circuit

Optical waveguide and method for producing the same

Optical functional device and fabrication process of the same

Optical switch and path switching method

Light source for integrating modulator and module for optical commu...

Method and device for selecting light source for optical communication

Method for making semiconductor optical modulator

Optical communication module

Semiconductor optical modulator

Driving apparatus for optical modulator and driving apparatus for m...

Electroabsorption optical intesity modulator having a plurality of...

Semiconductor electroabsorption optical modulator

Semiconductor mach-zehnder-type optical modulator

Mach-Zehnder type modulator and method of driving the same

Patents Applicationslast 30 patents

SEMICONDUCTOR LIGHT EMITTING DEVICE AND OPTICAL TRANSCEIVER

INTEGRATED LIGHT SOURCE AND LIGHT OUTPUT CONTROL METHOD

OPTICAL WAVEGUIDE COUPLER AND METHOD FOR MANUFACTURING SAME

SEMICONDUCTOR OPTICAL WAVEGUIDE DEVICE

OPTICAL TRANSMITTER AND OPTICAL COMMUNICATION DEVICE

OPTICALLY FUNCTIONAL DEVICE, AND MANUFACTURING METHOD THEREOF

LIGHT SOURCE CIRCUIT AND LIGHT SOURCE DEVICE EQUIPPED WITH SAME

OPTICAL SEMICONDUCTOR APPARATUS

SPOT-SIZE CONVERTER, MANUFACTURING METHOD THEREOF, AND INTEGRATED O...

SPOT SIZE CONVERTER, LIGHT SOURCE, OPTICAL TRANSMITTER, OPTICAL REC...

OPTICAL WAVEGUIDE, OPTICAL INTERPOSER AND LIGHT SOURCE

SPOT SIZE CONVERTER AND METHOD FOR MAKING THE SAME

OPTICAL SEMICONDUCTOR DEVICE, LIGHT EMITTING DEVICE, OPTICAL TRANSM...

OPTICAL DEVICE, OPTICAL TRANSMITTER, OPTICAL RECEIVER, OPTICAL TRAN...

SPOT SIZE CONVERTER, OPTICAL TRANSMITTER, OPTICAL RECEIVER, OPTICAL...

WAVELENGTH-VARIABLE LIGHT SOURCE

OPTICAL WAVEGUIDE AND METHOD FOR FABRICATING THE SAME

Optical Switch And Path Switching Method

Optical functional device and fabrication process of the same

Method and device for selecting light source for optical communication

Light source for integrating modulator and module for optical commu...