Katsumi Uesaka

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical device
- Patent number 12,066,669
- Issue date Aug 20, 2024
- Sumitomo Electric Industries, Ltd.
- Manabu Shiozaki
- G02 - OPTICS
Information Patent Grant
Optical device
- Patent number 12,032,215
- Issue date Jul 9, 2024
- Sumitomo Electric Industries, Ltd.
- Manabu Shiozaki
- G02 - OPTICS
Information Patent Grant
Wavelength-tunable light source and wavelength control method for t...
- Patent number 11,128,104
- Issue date Sep 21, 2021
- Sumitomo Electric Industries, Ltd.
- Tomoko Miura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmitter emitting light with narrowed linewidth
- Patent number 9,686,018
- Issue date Jun 20, 2017
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- G02 - OPTICS
Information Patent Grant
Laser apparatus and method to re-tune emission wavelength tunable LD
- Patent number 9,444,221
- Issue date Sep 13, 2016
- Sumitomo Electric Industries, Ltd
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
System to control wavelength and method to control wavelength
- Patent number 9,395,504
- Issue date Jul 19, 2016
- Sumitomo Electric Industries, Ltd
- Katsumi Uesaka
- G01 - MEASURING TESTING
Information Patent Grant
Wavelength monitor
- Patent number 9,395,487
- Issue date Jul 19, 2016
- Sumitomo Electric Industries, Ltd
- Katsumi Uesaka
- G01 - MEASURING TESTING
Information Patent Grant
Optical modulator
- Patent number 9,274,399
- Issue date Mar 1, 2016
- Sumitomo Electric Industries, Ltd.
- Kazuhiro Yamaji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulator
- Patent number 8,781,263
- Issue date Jul 15, 2014
- Sumitomo Electric Industries, Ltd.
- Kazuhiro Yamaji
- G02 - OPTICS
Information Patent Grant
Optical modulation apparatus, method for controlling optical modula...
- Patent number 8,660,388
- Issue date Feb 25, 2014
- Sumitomo Electric Industries, Ltd.
- Morihiro Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulation apparatus, method for controlling optical modula...
- Patent number 8,620,116
- Issue date Dec 31, 2013
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- G02 - OPTICS
Information Patent Grant
Method to manufacture semiconductor device with optical grating
- Patent number 8,216,866
- Issue date Jul 10, 2012
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical receiver with trans-impedance responding in bit-by-bit to i...
- Patent number 8,218,976
- Issue date Jul 10, 2012
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Driver circuit for semiconductor laser diode driven in differential...
- Patent number 8,121,160
- Issue date Feb 21, 2012
- Sumitomo Electric Industries, Ltd
- Akihiro Moto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmitter with a shunt driving configuration and a load t...
- Patent number 7,978,741
- Issue date Jul 12, 2011
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical receiver
- Patent number 7,912,380
- Issue date Mar 22, 2011
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser driver circuit
- Patent number 7,492,797
- Issue date Feb 17, 2009
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser driver with selectable output impedance
- Patent number 7,483,459
- Issue date Jan 27, 2009
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Driver circuit for semiconductor laser diode
- Patent number 7,418,018
- Issue date Aug 26, 2008
- Sumitomo Electric Industries, Ltd.
- Keiji Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical receiver for an optical communication
- Patent number 7,358,818
- Issue date Apr 15, 2008
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Distortion generating circuit
- Patent number 5,600,472
- Issue date Feb 4, 1997
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal detecting circuit apparatus
- Patent number 5,329,173
- Issue date Jul 12, 1994
- Sony Corporation
- Daisuke Murakami
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor laser device driving circuit
- Patent number 5,224,112
- Issue date Jun 29, 1993
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE
- Publication number 20240302606
- Publication date Sep 12, 2024
- Sumitomo Electric Industries, Ltd.
- Manabu Shiozaki
- G02 - OPTICS
Information Patent Application
LIGHT DEVICE
- Publication number 20230341593
- Publication date Oct 26, 2023
- Sumitomo Electric Industries, Ltd.
- Manabu SHIOZAKI
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE
- Publication number 20220128777
- Publication date Apr 28, 2022
- Sumitomo Electric Industries, Ltd.
- Manabu Shiozaki
- G02 - OPTICS
Information Patent Application
WAVELENGTH-TUNABLE LIGHT SOURCE AND WAVELENGTH CONTROL METHOD FOR T...
- Publication number 20200028326
- Publication date Jan 23, 2020
- Sumitomo Electric Industries, Ltd.
- Tomoko Miura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL TRANSMITTER IMPLEMENTING WAVELENGTH TUNABLE DIODE
- Publication number 20170149209
- Publication date May 25, 2017
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL TRANSMITTER EMITTING LIGHT WITH NARROWED LINEWIDTH
- Publication number 20160276803
- Publication date Sep 22, 2016
- Sumitomo Electric Industries, Ltd.
- Katsumi UESAKA
- G02 - OPTICS
Information Patent Application
LASER APPARATUS AND METHOD TO RE-TUNE EMISSION WAVELENGTH OF WAVELE...
- Publication number 20160006212
- Publication date Jan 7, 2016
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
WAVELENGTH MONITOR
- Publication number 20150085292
- Publication date Mar 26, 2015
- Sumitomo Electric Industries, Ltd.
- Katsumi UESAKA
- G02 - OPTICS
Information Patent Application
SYSTEM TO CONTROL WAVELENGTH AND METHOD TO CONTROL WAVELENGTH
- Publication number 20150076990
- Publication date Mar 19, 2015
- Sumitomo Electric Industries, Ltd.
- Katsumi UESAKA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
OPTICAL MODULATOR
- Publication number 20140254974
- Publication date Sep 11, 2014
- Sumitomo Electric Industries, Ltd.
- Kazuhiro Yamaji
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATION APPARATUS, METHOD FOR CONTROLLING OPTICAL MODULA...
- Publication number 20130136388
- Publication date May 30, 2013
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR
- Publication number 20120134620
- Publication date May 31, 2012
- Sumitomo Electric Industries, Ltd.
- Kazuhiro Yamaji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL MODULATION APPARATUS, METHOD FOR CONTROLLING OPTICAL MODULA...
- Publication number 20120134619
- Publication date May 31, 2012
- Sumitomo Electric Industries, Ltd.
- Morihiro Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD TO MANUFACTURE SEMICONDUCTOR DEVICE WITH OPTICAL GRATING
- Publication number 20120094402
- Publication date Apr 19, 2012
- Sumitomo Electric Industries, Ltd.
- Katsumi UESAKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL RECEIVER
- Publication number 20100209100
- Publication date Aug 19, 2010
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER WITH TRANS-IMPEDANCE RESPONDING IN BIT-BY-BIT TO I...
- Publication number 20100172657
- Publication date Jul 8, 2010
- Sumitomo Electric Industries, Ltd.
- Katsumi UESAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DRIVER CIRCUIT FOR SEMICONDUCTOR LASER DIODE DRIVEN IN DIFFERENTIAL...
- Publication number 20090238226
- Publication date Sep 24, 2009
- Sumitomo Electric Industries, Ltd.
- Akihiro MOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical transmitter with a shunt driving configuration and a load t...
- Publication number 20070291807
- Publication date Dec 20, 2007
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser module driven in shunt-driving configuration
- Publication number 20070230526
- Publication date Oct 4, 2007
- Sumitomo Electric Industries, Ltd.
- Akihiro Moto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Laser driver with selectable output impedance
- Publication number 20070098026
- Publication date May 3, 2007
- Sumitomo Electric Industries, Ltd.
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Driver circuit for semiconductor laser diode
- Publication number 20070047602
- Publication date Mar 1, 2007
- Sumitomo Electric Industries, Ltd.
- Keiji Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical receiver
- Publication number 20060263100
- Publication date Nov 23, 2006
- Katsumi Uesaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light-receiving device having an optical fuse
- Publication number 20060197008
- Publication date Sep 7, 2006
- Takatoshi Kato
- G02 - OPTICS
Information Patent Application
Laser driver circuit
- Publication number 20050238072
- Publication date Oct 27, 2005
- Katsumi Uesaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Pre-amplifier for an optical communication
- Publication number 20050140454
- Publication date Jun 30, 2005
- Katsumi Uesaka
- H03 - BASIC ELECTRONIC CIRCUITRY

Katsumi Uesaka

Person

Patents Grantslast 30 patents

Optical device

Optical device

Wavelength-tunable light source and wavelength control method for t...

Optical transmitter emitting light with narrowed linewidth

Laser apparatus and method to re-tune emission wavelength tunable LD

System to control wavelength and method to control wavelength

Wavelength monitor

Optical modulator

Optical modulator

Optical modulation apparatus, method for controlling optical modula...

Optical modulation apparatus, method for controlling optical modula...

Method to manufacture semiconductor device with optical grating

Optical receiver with trans-impedance responding in bit-by-bit to i...

Driver circuit for semiconductor laser diode driven in differential...

Optical transmitter with a shunt driving configuration and a load t...

Optical receiver

Laser driver circuit

Laser driver with selectable output impedance

Driver circuit for semiconductor laser diode

Optical receiver for an optical communication

Distortion generating circuit

Signal detecting circuit apparatus

Semiconductor laser device driving circuit

Patents Applicationslast 30 patents

OPTICAL DEVICE

LIGHT DEVICE

OPTICAL DEVICE

WAVELENGTH-TUNABLE LIGHT SOURCE AND WAVELENGTH CONTROL METHOD FOR T...

OPTICAL TRANSMITTER IMPLEMENTING WAVELENGTH TUNABLE DIODE

OPTICAL TRANSMITTER EMITTING LIGHT WITH NARROWED LINEWIDTH

LASER APPARATUS AND METHOD TO RE-TUNE EMISSION WAVELENGTH OF WAVELE...

WAVELENGTH MONITOR

SYSTEM TO CONTROL WAVELENGTH AND METHOD TO CONTROL WAVELENGTH

OPTICAL MODULATOR

OPTICAL MODULATION APPARATUS, METHOD FOR CONTROLLING OPTICAL MODULA...

OPTICAL MODULATOR

OPTICAL MODULATION APPARATUS, METHOD FOR CONTROLLING OPTICAL MODULA...

METHOD TO MANUFACTURE SEMICONDUCTOR DEVICE WITH OPTICAL GRATING

OPTICAL RECEIVER

OPTICAL RECEIVER WITH TRANS-IMPEDANCE RESPONDING IN BIT-BY-BIT TO I...

DRIVER CIRCUIT FOR SEMICONDUCTOR LASER DIODE DRIVEN IN DIFFERENTIAL...

Optical transmitter with a shunt driving configuration and a load t...

Semiconductor laser module driven in shunt-driving configuration

Laser driver with selectable output impedance

Driver circuit for semiconductor laser diode

Optical receiver

Light-receiving device having an optical fuse

Laser driver circuit

Pre-amplifier for an optical communication