Eiji Tsumura

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transmitter
- Patent number 11,901,946
- Issue date Feb 13, 2024
- Sumitomo Electric Industries, Ltd.
- Satoshi Yoshimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transceiver implementing erbium doped fiber amplifier
- Patent number 9,766,483
- Issue date Sep 19, 2017
- Sumitomo Electric Industries, Ltd.
- Eiichi Banno
- G02 - OPTICS
Information Patent Grant
Optical transceiver having auxiliary area to install Mach-Zehnder m...
- Patent number 9,477,051
- Issue date Oct 25, 2016
- Sumitomo Electric Industries, Ltd
- Kazushige Oki
- G02 - OPTICS
Information Patent Grant
Can-type optical transmitting module utilizing a laser diode with i...
- Patent number 7,463,659
- Issue date Dec 9, 2008
- Sumitomo Electric Industries, Ltd.
- Hisao Go
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical sub-assembly having a thermo-electric cooler and an optical...
- Patent number 7,317,742
- Issue date Jan 8, 2008
- Sumitomo Electric Industries, Ltd.
- Shin'ichiro Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmitting module having a can type package and providing...
- Patent number 7,218,657
- Issue date May 15, 2007
- Sumitomo Electric Industries, Ltd.
- Toshiaki Kihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmitting module having a de-coupling inductor therein
- Patent number 7,192,201
- Issue date Mar 20, 2007
- Sumitomo Electric Industries, Ltd.
- Kiyoshi Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-transmitting module containing an driving device in a package
- Patent number 7,026,655
- Issue date Apr 11, 2006
- Sumitomo Electric Industries, Ltd.
- Hisao Go
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical link module
- Patent number 6,994,480
- Issue date Feb 7, 2006
- Sumitomo Electric Industries, Ltd.
- Takayoshi Inujima
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical device and optical module
- Patent number 6,976,795
- Issue date Dec 20, 2005
- Sumitomo Electric Industries, Ltd.
- Hisao Go
- G02 - OPTICS
Information Patent Grant
Optical module
- Patent number 6,755,577
- Issue date Jun 29, 2004
- Sumitomo Electric Industries, Ltd.
- Takayoshi Inujima
- G02 - OPTICS
Information Patent Grant
Transmission optical module
- Patent number 6,652,160
- Issue date Nov 25, 2003
- Sumitomo Electric Industries, Ltd.
- Takayoshi Inujima
- G02 - OPTICS
Information Patent Grant
Optical module
- Patent number 6,600,611
- Issue date Jul 29, 2003
- Sumitomo Electric Industries, Ltd.
- Takayoshi Inujima
- G02 - OPTICS
Information Patent Grant
Source follower circuit, laser driving apparatus, semiconductor las...
- Patent number 6,567,441
- Issue date May 20, 2003
- Sumitomo Electric Industries, Ltd.
- Seigo Furudate
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE AND MANUFACTURING METHOD FOR OPTICAL DEVICE
- Publication number 20230221505
- Publication date Jul 13, 2023
- SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.
- Kazushige OKI
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSMITTER
- Publication number 20220416901
- Publication date Dec 29, 2022
- Sumitomo Electric Industries, Ltd.
- Satoshi YOSHIMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSCEIVER IMPLEMENTING ERBIUM DOPED FIBER AMPLIFIER
- Publication number 20170212366
- Publication date Jul 27, 2017
- Sumitomo Electric Industries, Ltd.
- Eiichi BANNO
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSCEIVER HAVING AUXILIARY AREA TO INSTALL MACH-ZEHNDER M...
- Publication number 20150326319
- Publication date Nov 12, 2015
- Sumitomo Electric Industries, Ltd.
- Kazushige OKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical sub-assembly having a thermo-electric cooler and an optical...
- Publication number 20060083517
- Publication date Apr 20, 2006
- Shin'ichiro Saito
- G02 - OPTICS
Information Patent Application
Optical transmitting module having a CAN type package and providing...
- Publication number 20050047461
- Publication date Mar 3, 2005
- Toshiaki Kihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical transmitting module
- Publication number 20050047460
- Publication date Mar 3, 2005
- Hisao Go
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical transmitting module having a de-coupling inductor therein
- Publication number 20050047732
- Publication date Mar 3, 2005
- Kiyoshi Kato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light-transmitting module containing an driving device in a package
- Publication number 20050025438
- Publication date Feb 3, 2005
- Hisao Go
- G02 - OPTICS
Information Patent Application
Optical device and optical module
- Publication number 20040120660
- Publication date Jun 24, 2004
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Hisao Go
- G02 - OPTICS
Information Patent Application
Optical link module
- Publication number 20030198445
- Publication date Oct 23, 2003
- Takayoshi Inujima
- G02 - OPTICS
Information Patent Application
Optical module
- Publication number 20030063424
- Publication date Apr 3, 2003
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Takayoshi Inujima
- G02 - OPTICS
Information Patent Application
Optical module
- Publication number 20030063397
- Publication date Apr 3, 2003
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Takayoshi Inujima
- G02 - OPTICS
Information Patent Application
Transmission optical module
- Publication number 20020159722
- Publication date Oct 31, 2002
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Takayoshi Inujima
- G02 - OPTICS
Information Patent Application
Source follower circuit, laser driving apparatus, semiconductor las...
- Publication number 20020118716
- Publication date Aug 29, 2002
- Seigo Furudate
- H01 - BASIC ELECTRIC ELEMENTS

Eiji Tsumura

Person

Patents Grantslast 30 patents

Optical transmitter

Optical transceiver implementing erbium doped fiber amplifier

Optical transceiver having auxiliary area to install Mach-Zehnder m...

Can-type optical transmitting module utilizing a laser diode with i...

Optical sub-assembly having a thermo-electric cooler and an optical...

Optical transmitting module having a can type package and providing...

Optical transmitting module having a de-coupling inductor therein

Light-transmitting module containing an driving device in a package

Optical link module

Optical device and optical module

Optical module

Transmission optical module

Optical module

Source follower circuit, laser driving apparatus, semiconductor las...

Patents Applicationslast 30 patents

OPTICAL DEVICE AND MANUFACTURING METHOD FOR OPTICAL DEVICE

OPTICAL TRANSMITTER

OPTICAL TRANSCEIVER IMPLEMENTING ERBIUM DOPED FIBER AMPLIFIER

OPTICAL TRANSCEIVER HAVING AUXILIARY AREA TO INSTALL MACH-ZEHNDER M...

Optical sub-assembly having a thermo-electric cooler and an optical...

Optical transmitting module having a CAN type package and providing...

Optical transmitting module

Optical transmitting module having a de-coupling inductor therein

Light-transmitting module containing an driving device in a package

Optical device and optical module

Optical link module

Optical module

Optical module

Transmission optical module

Source follower circuit, laser driving apparatus, semiconductor las...