Shigeaki SEKIGUCHI

Person

Zama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical wiring module, optical transceiver, and optical coupling me...
- Patent number 10,001,607
- Issue date Jun 19, 2018
- Fujitsu Limited
- Tsuyoshi Aoki
- G02 - OPTICS
Information Patent Grant
Optical transmitter and method for controlling operation state of o...
- Patent number 9,425,899
- Issue date Aug 23, 2016
- Fujitsu Limited
- Shigeaki Sekiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical device and optical module
- Patent number 9,235,001
- Issue date Jan 12, 2016
- Fujitsu Limited
- Shigeaki Sekiguchi
- G02 - OPTICS
Information Patent Grant
Optical switching apparatus and method
- Patent number 8,923,659
- Issue date Dec 30, 2014
- Fujitsu Limited
- Shigeaki Sekiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor optical device
- Patent number 8,809,906
- Issue date Aug 19, 2014
- Fujitsu Limited
- Lei Zhu
- G02 - OPTICS
Information Patent Grant
Semiconductor optical amplifier and optical module
- Patent number 8,472,109
- Issue date Jun 25, 2013
- Fujitsu Limited
- Shinsuke Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical signal generator and method for adjusting the same having a...
- Patent number 8,420,993
- Issue date Apr 16, 2013
- Fujitsu Limited
- Shigeaki Sekiguchi
- G02 - OPTICS
Information Patent Grant
Semiconductor laser and semiconductor optical integrated device
- Patent number 7,852,894
- Issue date Dec 14, 2010
- Fujitsu Limited
- Shigeaki Sekiguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical semiconductor device
- Patent number 6,872,966
- Issue date Mar 29, 2005
- Fujitsu Limited
- Suguru Akiyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL WIRING MODULE, OPTICAL TRANSCEIVER, AND OPTICAL COUPLING ME...
- Publication number 20180031786
- Publication date Feb 1, 2018
- Fujitsu Limited
- Tsuyoshi Aoki
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER GUIDE, OPTICAL WAVEGUIDE SUBSTRATE COMPRISING OPTICAL...
- Publication number 20160091667
- Publication date Mar 31, 2016
- Fujitsu Limited
- Motoyuki Nishizawa
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE AND OPTICAL MODULE
- Publication number 20150323738
- Publication date Nov 12, 2015
- Fujitsu Limited
- Shigeaki Sekiguchi
- G02 - OPTICS
Information Patent Application
SPOT SIZE CONVERTER AND OPTICAL APPARATUS
- Publication number 20150117818
- Publication date Apr 30, 2015
- FUJITSU LIMITED
- Takeshi Matsumoto
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSMITTER AND METHOD FOR CONTROLLING OPERATION STATE OF O...
- Publication number 20140321848
- Publication date Oct 30, 2014
- Shigeaki SEKIGUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL SWITCHING APPARATUS AND METHOD
- Publication number 20130243365
- Publication date Sep 19, 2013
- Fujitsu Limited
- Shigeaki SEKIGUCHI
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE
- Publication number 20130126941
- Publication date May 23, 2013
- Fujitsu Limited
- Lei Zhu
- G02 - OPTICS
Information Patent Application
OPTICAL SIGNAL GENERATOR AND METHOD FOR ADJUSTING THE SAME
- Publication number 20110233379
- Publication date Sep 29, 2011
- Fujitsu Limited
- Shigeaki Sekiguchi
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR OPTICAL AMPLIFIER AND OPTICAL MODULE
- Publication number 20100245990
- Publication date Sep 30, 2010
- FUJITSU LIMITED
- Shinsuke Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LASER AND SEMICONDUCTOR OPTICAL INTEGRATED DEVICE
- Publication number 20090059988
- Publication date Mar 5, 2009
- Fujitsu Limited
- Shigeaki SEKIGUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical semiconductor device
- Publication number 20040016920
- Publication date Jan 29, 2004
- FUJITSU LIMITED
- Suguru Akiyama
- G02 - OPTICS

Shigeaki SEKIGUCHI

Person

Patents Grantslast 30 patents

Optical wiring module, optical transceiver, and optical coupling me...

Optical transmitter and method for controlling operation state of o...

Optical device and optical module

Optical switching apparatus and method

Semiconductor optical device

Semiconductor optical amplifier and optical module

Optical signal generator and method for adjusting the same having a...

Semiconductor laser and semiconductor optical integrated device

Optical semiconductor device

Patents Applicationslast 30 patents

OPTICAL WIRING MODULE, OPTICAL TRANSCEIVER, AND OPTICAL COUPLING ME...

OPTICAL FIBER GUIDE, OPTICAL WAVEGUIDE SUBSTRATE COMPRISING OPTICAL...

OPTICAL DEVICE AND OPTICAL MODULE

SPOT SIZE CONVERTER AND OPTICAL APPARATUS

OPTICAL TRANSMITTER AND METHOD FOR CONTROLLING OPERATION STATE OF O...

OPTICAL SWITCHING APPARATUS AND METHOD

SEMICONDUCTOR OPTICAL DEVICE

OPTICAL SIGNAL GENERATOR AND METHOD FOR ADJUSTING THE SAME

SEMICONDUCTOR OPTICAL AMPLIFIER AND OPTICAL MODULE

SEMICONDUCTOR LASER AND SEMICONDUCTOR OPTICAL INTEGRATED DEVICE

Optical semiconductor device