Katsumi Fukumitsu

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical signal processing device, optical signal processing method...
- Patent number 9,564,964
- Issue date Feb 7, 2017
- Fujitsu Limited
- Taku Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver and signal processing method for optical receiver
- Patent number 9,413,522
- Issue date Aug 9, 2016
- Fujitsu Limited
- Daijiro Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital coherent receiver, optical reception system, and optical re...
- Patent number 9,306,675
- Issue date Apr 5, 2016
- Fujitsu Limited
- Yuichirou Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical node, optical network system, and method for measuring pola...
- Patent number 8,655,185
- Issue date Feb 18, 2014
- Fujitsu Limited
- Takeshi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frame processing apparatus, optical receiving apparatus, optical tr...
- Patent number 8,649,678
- Issue date Feb 11, 2014
- Fujitsu Limited
- Takeshi Hoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver
- Patent number 8,478,137
- Issue date Jul 2, 2013
- Fujitsu Limited
- Kosuke Komaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver and optical phase control method thereof
- Patent number 8,295,715
- Issue date Oct 23, 2012
- Fujitsu Limited
- Katsumi Fukumitsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-speed dispersion compensation control apparatus
- Patent number 7,817,925
- Issue date Oct 19, 2010
- Fujitsu Limited
- Toshiki Honda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical reception apparatus and controlling method thereof
- Patent number 7,711,218
- Issue date May 4, 2010
- Fujitsu Limited
- Hisayuki Ojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal receiver, and method for controlling identification...
- Patent number 7,319,824
- Issue date Jan 15, 2008
- Fujitsu Limited
- Katsumi Fukumitsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error counting circuit
- Patent number 5,703,409
- Issue date Dec 30, 1997
- Fujitsu Limited
- Katsumi Fukumitsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSCEIVER AND SIGNAL PROCESSING METHOD FOR OPTICAL TRANSC...
- Publication number 20150229401
- Publication date Aug 13, 2015
- Fujitsu Limited
- Daijiro TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL PROCESSING DEVICE, OPTICAL SIGNAL PROCESSING METHOD...
- Publication number 20140363154
- Publication date Dec 11, 2014
- Fujitsu Limited
- Taku SAITO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIGITAL COHERENT RECEIVER, OPTICAL RECEPTION SYSTEM, AND OPTICAL RE...
- Publication number 20140328602
- Publication date Nov 6, 2014
- Fujitsu Limited
- Yuichirou Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NODE, OPTICAL NETWORK SYSTEM, AND METHOD FOR MEASURING POLA...
- Publication number 20110229128
- Publication date Sep 22, 2011
- Fujitsu Limited
- Takeshi SAKAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER
- Publication number 20110200339
- Publication date Aug 18, 2011
- Fujitsu Limited
- Kosuke KOMAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FRAME PROCESSING APPARATUS, OPTICAL RECEIVING APPARATUS, OPTICAL TR...
- Publication number 20100027988
- Publication date Feb 4, 2010
- FUJITSU LIMITED
- Takeshi HOSHIDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical receiver and optical phase control method thereof
- Publication number 20090257756
- Publication date Oct 15, 2009
- FUJITSU LIMITED
- Katsumi Fukumitsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical reception apparatus and controlling method thereof
- Publication number 20090028580
- Publication date Jan 29, 2009
- FUJITSU LIMITED
- Hisayuki Ojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HIGH-SPEED DISPERSION COMPENSATION CONTROL APPARATUS
- Publication number 20070297804
- Publication date Dec 27, 2007
- FUJITSU LIMITED
- Toshiki Honda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal multiplexing apparatus and stuff controlling method therein
- Publication number 20070071443
- Publication date Mar 29, 2007
- FUJITSU LIMITED
- Katsumi Fukumitsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical receiving apparatus and dispersion compensating method therein
- Publication number 20070071447
- Publication date Mar 29, 2007
- FUJITSU LIMITED
- Masakazu Ozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal receiver, and method for controlling identification...
- Publication number 20060072926
- Publication date Apr 6, 2006
- FUJITSU LIMITED
- Katsumi Fukumitsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Katsumi Fukumitsu

Person

Patents Grantslast 30 patents

Optical signal processing device, optical signal processing method...

Optical receiver and signal processing method for optical receiver

Digital coherent receiver, optical reception system, and optical re...

Optical node, optical network system, and method for measuring pola...

Frame processing apparatus, optical receiving apparatus, optical tr...

Optical receiver

Optical receiver and optical phase control method thereof

High-speed dispersion compensation control apparatus

Optical reception apparatus and controlling method thereof

Optical signal receiver, and method for controlling identification...

Error counting circuit

Patents Applicationslast 30 patents

OPTICAL TRANSCEIVER AND SIGNAL PROCESSING METHOD FOR OPTICAL TRANSC...

OPTICAL SIGNAL PROCESSING DEVICE, OPTICAL SIGNAL PROCESSING METHOD...

DIGITAL COHERENT RECEIVER, OPTICAL RECEPTION SYSTEM, AND OPTICAL RE...

OPTICAL NODE, OPTICAL NETWORK SYSTEM, AND METHOD FOR MEASURING POLA...

OPTICAL RECEIVER

FRAME PROCESSING APPARATUS, OPTICAL RECEIVING APPARATUS, OPTICAL TR...

Optical receiver and optical phase control method thereof

Optical reception apparatus and controlling method thereof

HIGH-SPEED DISPERSION COMPENSATION CONTROL APPARATUS

Signal multiplexing apparatus and stuff controlling method therein

Optical receiving apparatus and dispersion compensating method therein

Optical signal receiver, and method for controlling identification...