Kazumasa Takabayashi

Person

Atsugi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical amplifier and inspection method of optical amplifier
- Patent number 11,984,696
- Issue date May 14, 2024
- Fujitsu Optical Components Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device
- Patent number 10,560,213
- Issue date Feb 11, 2020
- Fujitsu Optical Components Limited
- Shuntaro Makino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength locker, wavelength tunable laser apparatus, and method f...
- Patent number 10,530,119
- Issue date Jan 7, 2020
- Fujitsu Limited
- Kazumasa Takabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable laser device
- Patent number 10,312,663
- Issue date Jun 4, 2019
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated semiconductor optical element and manufacturing method f...
- Patent number 10,027,088
- Issue date Jul 17, 2018
- Fujitsu Limited
- Kazumasa Takabayashi
- G02 - OPTICS
Information Patent Grant
Laser and method of controlling laser
- Patent number 9,966,724
- Issue date May 8, 2018
- Fujitsu Limited
- Kazumasa Takabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor laser light source and fabrication method
- Patent number 9,948,059
- Issue date Apr 17, 2018
- Fujitsu Limited
- Tokuharu Kimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser apparatus
- Patent number 9,793,684
- Issue date Oct 17, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable laser source, optical transmitter, and optical transmitter...
- Patent number 9,762,034
- Issue date Sep 12, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable laser and tunable laser module
- Patent number 9,722,397
- Issue date Aug 1, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated semiconductor optical element and manufacturing method f...
- Patent number 9,711,938
- Issue date Jul 18, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- G02 - OPTICS
Information Patent Grant
Multi-wavelength laser light source and wavelength multiplexing com...
- Patent number 9,705,282
- Issue date Jul 11, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor element and method of manufacturing the same
- Patent number 9,698,570
- Issue date Jul 4, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for manufacturing optical module
- Patent number 9,606,380
- Issue date Mar 28, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Laser device, light modulation device, and optical semiconductor de...
- Patent number 9,312,663
- Issue date Apr 12, 2016
- Fujitsu Limited
- Kazumasa Takabayashi
- G02 - OPTICS
Information Patent Grant
Light receiving element with offset absorbing layer
- Patent number 9,147,781
- Issue date Sep 29, 2015
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device and method of manufacturing optical se...
- Patent number 8,938,138
- Issue date Jan 20, 2015
- Fujitsu Limited
- Ayahito Uetake
- G02 - OPTICS
Information Patent Grant
Light receiving device
- Patent number 8,860,164
- Issue date Oct 14, 2014
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical receiver
- Patent number 8,724,938
- Issue date May 13, 2014
- Fujitsu Limited
- Kazumasa Takabayashi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Light receiving element with offset absorbing layer
- Patent number 8,710,614
- Issue date Apr 29, 2014
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical modulation device, driving method of optical modulation dev...
- Patent number 8,666,200
- Issue date Mar 4, 2014
- Fujitsu Limited
- Kazumasa Takabayashi
- G02 - OPTICS
Information Patent Grant
Light receiving element, light receiving device, and light receivin...
- Patent number 8,546,899
- Issue date Oct 1, 2013
- Fujitsu Limited
- Kazumasa Takabayashi
- G02 - OPTICS
Information Patent Grant
Optical module, manufacturing method thereof, and optical transmitter
- Patent number 8,428,399
- Issue date Apr 23, 2013
- Fujitsu Limited
- Kazumasa Takabayashi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Tunable laser module, tunable laser apparatus and controlling metho...
- Patent number 7,940,819
- Issue date May 10, 2011
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated device
- Patent number 7,873,082
- Issue date Jan 18, 2011
- Fujitsu Limited
- Kazumasa Takabayashi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical integrated device
- Patent number 7,627,212
- Issue date Dec 1, 2009
- Fujitsu Limited
- Shinsuke Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical waveguide device and semiconductor device
- Patent number 7,539,378
- Issue date May 26, 2009
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tunable laser
- Patent number 7,366,220
- Issue date Apr 29, 2008
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength selection device, wavelength selection laser, and tunabl...
- Patent number 7,242,697
- Issue date Jul 10, 2007
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength tunable laser of small size
- Patent number 7,158,547
- Issue date Jan 2, 2007
- Fujitsu Limited
- Shinsuke Tanaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
WAVELENGTH FILTER AND LASER APPARATUS
- Publication number 20230035193
- Publication date Feb 2, 2023
- FUJITSU OPTICAL COMPONENTS LIMITED
- Yukie Iga
- G02 - OPTICS
Information Patent Application
INTEGRATED PHOTONIC DEVICE AND PHOTONIC INTEGRATED CIRCUIT USING TH...
- Publication number 20210384709
- Publication date Dec 9, 2021
- FUJITSU OPTICAL COMPONENTS LIMITED
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFIER AND INSPECTION METHOD OF OPTICAL AMPLIFIER
- Publication number 20210091530
- Publication date Mar 25, 2021
- FUJITSU OPTICAL COMPONENTS LIMITED
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL DEVICE
- Publication number 20190372699
- Publication date Dec 5, 2019
- FUJITSU OPTICAL COMPONENTS LIMITED
- Shuntaro MAKINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH LOCKER, WAVELENGTH TUNABLE LASER APPARATUS, AND METHOD F...
- Publication number 20190044300
- Publication date Feb 7, 2019
- Fujitsu Limited
- Kazumasa Takabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TUNABLE LASER DEVICE
- Publication number 20180226767
- Publication date Aug 9, 2018
- Fujitsu Limited
- Kazumasa Takabayashi
- G02 - OPTICS
Information Patent Application
TUNABLE LASER
- Publication number 20170353001
- Publication date Dec 7, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRATED SEMICONDUCTOR OPTICAL ELEMENT AND MANUFACTURING METHOD F...
- Publication number 20170271842
- Publication date Sep 21, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- G02 - OPTICS
Information Patent Application
LASER AND METHOD OF CONTROLLING LASER
- Publication number 20170179671
- Publication date Jun 22, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER LIGHT SOURCE AND FABRICATION METHOD
- Publication number 20170104309
- Publication date Apr 13, 2017
- Fujitsu Limited
- Tokuharu KIMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER APPARATUS
- Publication number 20170098921
- Publication date Apr 6, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNABLE LASER SOURCE, OPTICAL TRANSMITTER, AND OPTICAL TRANSMITTER...
- Publication number 20170040775
- Publication date Feb 9, 2017
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-WAVELENGTH LASER LIGHT SOURCE AND WAVELENGTH MULTIPLEXING COM...
- Publication number 20160336718
- Publication date Nov 17, 2016
- FUJITSU LIMITED
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SEMICONDUCTOR ELEMENT AND METHOD OF MANUFACTURING THE SAME
- Publication number 20160322787
- Publication date Nov 3, 2016
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNABLE LASER AND TUNABLE LASER MODULE
- Publication number 20160156149
- Publication date Jun 2, 2016
- FUJITSU LIMITED
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRATED SEMICONDUCTOR OPTICAL ELEMENT AND MANUFACTURING METHOD F...
- Publication number 20160079727
- Publication date Mar 17, 2016
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER DEVICE, LIGHT MODULATION DEVICE, AND OPTICAL SEMICONDUCTOR DE...
- Publication number 20150288148
- Publication date Oct 8, 2015
- Fujitsu Limited
- Kazumasa Takabayashi
- G02 - OPTICS
Information Patent Application
METHOD FOR MANUFACTURING OPTICAL MODULE
- Publication number 20140366372
- Publication date Dec 18, 2014
- Kazumasa TAKABAYASHI
- B82 - NANO-TECHNOLOGY
Information Patent Application
LIGHT RECEIVING ELEMENT WITH OFFSET ABSORBING LAYER
- Publication number 20140312445
- Publication date Oct 23, 2014
- Kazumasa TAKABAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT RECEIVING DEVICE
- Publication number 20140175589
- Publication date Jun 26, 2014
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL MODULE, MANUFACTURING METHOD THEREOF, AND OPTICAL TRANSMITTER
- Publication number 20130230269
- Publication date Sep 5, 2013
- Fujitsu Limited
- Kazumasa TAKABAYASHI
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING OPTICAL SE...
- Publication number 20130202248
- Publication date Aug 8, 2013
- Ayahito UETAKE
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATION DEVICE, DRIVING METHOD OF OPTICAL MODULATION DEV...
- Publication number 20130108204
- Publication date May 2, 2013
- Fujitsu Limited
- Kazumasa TAKABAYASHI
- G02 - OPTICS
Information Patent Application
OPTICAL RECEIVER
- Publication number 20120243824
- Publication date Sep 27, 2012
- Fujitsu Limited
- Kazumasa TAKABAYASHI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
LIGHT RECEIVING ELEMENT, LIGHT RECEIVING DEVICE, AND LIGHT RECEIVIN...
- Publication number 20120235264
- Publication date Sep 20, 2012
- Fujitsu Limited
- Kazumasa TAKABAYASHI
- G02 - OPTICS
Information Patent Application
LIGHT RECEIVING ELEMENT, LIGHT RECEIVING DEVICE, AND LIGHT RECEIVIN...
- Publication number 20120235265
- Publication date Sep 20, 2012
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL MODULE, MANUFACTURING METHOD THEREOF, AND OPTICAL TRANSMITTER
- Publication number 20100158540
- Publication date Jun 24, 2010
- FUJITSU LIMITED
- Kazumasa TAKABAYASHI
- G02 - OPTICS
Information Patent Application
TUNABLE LASER MODULE, TUNABLE LASER APPARATUS AND CONTROLLING METHO...
- Publication number 20100034224
- Publication date Feb 11, 2010
- Fujitsu Limited
- Kazumasa Takabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR INTEGRATED DEVICE
- Publication number 20090310630
- Publication date Dec 17, 2009
- Fujitsu Limited
- Kazumasa Takabayashi
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL INTEGRATED DEVICE
- Publication number 20090052834
- Publication date Feb 26, 2009
- Fujitsu Limited
- Shinsuke TANAKA
- G02 - OPTICS

Kazumasa Takabayashi

Person

Patents Grantslast 30 patents

Optical amplifier and inspection method of optical amplifier

Optical device

Wavelength locker, wavelength tunable laser apparatus, and method f...

Tunable laser device

Integrated semiconductor optical element and manufacturing method f...

Laser and method of controlling laser

Semiconductor laser light source and fabrication method

Laser apparatus

Tunable laser source, optical transmitter, and optical transmitter...

Tunable laser and tunable laser module

Integrated semiconductor optical element and manufacturing method f...

Multi-wavelength laser light source and wavelength multiplexing com...

Optical semiconductor element and method of manufacturing the same

Method for manufacturing optical module

Laser device, light modulation device, and optical semiconductor de...

Light receiving element with offset absorbing layer

Optical semiconductor device and method of manufacturing optical se...

Light receiving device

Optical receiver

Light receiving element with offset absorbing layer

Optical modulation device, driving method of optical modulation dev...

Light receiving element, light receiving device, and light receivin...

Optical module, manufacturing method thereof, and optical transmitter

Tunable laser module, tunable laser apparatus and controlling metho...

Semiconductor integrated device

Optical integrated device

Optical waveguide device and semiconductor device

Tunable laser

Wavelength selection device, wavelength selection laser, and tunabl...

Wavelength tunable laser of small size

Patents Applicationslast 30 patents

WAVELENGTH FILTER AND LASER APPARATUS

INTEGRATED PHOTONIC DEVICE AND PHOTONIC INTEGRATED CIRCUIT USING TH...

OPTICAL AMPLIFIER AND INSPECTION METHOD OF OPTICAL AMPLIFIER

OPTICAL DEVICE

WAVELENGTH LOCKER, WAVELENGTH TUNABLE LASER APPARATUS, AND METHOD F...

TUNABLE LASER DEVICE

TUNABLE LASER

INTEGRATED SEMICONDUCTOR OPTICAL ELEMENT AND MANUFACTURING METHOD F...

LASER AND METHOD OF CONTROLLING LASER

SEMICONDUCTOR LASER LIGHT SOURCE AND FABRICATION METHOD

LASER APPARATUS

TUNABLE LASER SOURCE, OPTICAL TRANSMITTER, AND OPTICAL TRANSMITTER...

MULTI-WAVELENGTH LASER LIGHT SOURCE AND WAVELENGTH MULTIPLEXING COM...

OPTICAL SEMICONDUCTOR ELEMENT AND METHOD OF MANUFACTURING THE SAME

TUNABLE LASER AND TUNABLE LASER MODULE

INTEGRATED SEMICONDUCTOR OPTICAL ELEMENT AND MANUFACTURING METHOD F...

LASER DEVICE, LIGHT MODULATION DEVICE, AND OPTICAL SEMICONDUCTOR DE...

METHOD FOR MANUFACTURING OPTICAL MODULE

LIGHT RECEIVING ELEMENT WITH OFFSET ABSORBING LAYER

LIGHT RECEIVING DEVICE

OPTICAL MODULE, MANUFACTURING METHOD THEREOF, AND OPTICAL TRANSMITTER

OPTICAL SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING OPTICAL SE...

OPTICAL MODULATION DEVICE, DRIVING METHOD OF OPTICAL MODULATION DEV...

OPTICAL RECEIVER

LIGHT RECEIVING ELEMENT, LIGHT RECEIVING DEVICE, AND LIGHT RECEIVIN...

LIGHT RECEIVING ELEMENT, LIGHT RECEIVING DEVICE, AND LIGHT RECEIVIN...

OPTICAL MODULE, MANUFACTURING METHOD THEREOF, AND OPTICAL TRANSMITTER

TUNABLE LASER MODULE, TUNABLE LASER APPARATUS AND CONTROLLING METHO...

SEMICONDUCTOR INTEGRATED DEVICE

OPTICAL INTEGRATED DEVICE