Makoto TAKAKUWA

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Frame transmission system
- Patent number 9,124,499
- Issue date Sep 1, 2015
- Fujitsu Telecom Networks Limited
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frame transmission system
- Patent number 9,071,523
- Issue date Jun 30, 2015
- Fujitsu Telecom Networks Limited
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmitter and data transmission method
- Patent number 8,611,207
- Issue date Dec 17, 2013
- Fujitsu Limited
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal transmitting device for switching forwarding destination
- Patent number 8,203,935
- Issue date Jun 19, 2012
- Fujitsu Limited
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communications line monitoring system, relay apparatus, and communi...
- Patent number 7,882,419
- Issue date Feb 1, 2011
- Fujitsu Limited
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus
- Patent number 7,853,146
- Issue date Dec 14, 2010
- Fujitsu Limited
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensating method and dispersion compensating apparatus
- Patent number 7,627,207
- Issue date Dec 1, 2009
- Fujitsu Limited
- Masahiro Yoshimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division-multiplex system
- Patent number 7,623,794
- Issue date Nov 24, 2009
- Fujitsu Limited
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensating method and dispersion compensating apparatus
- Patent number 7,450,856
- Issue date Nov 11, 2008
- Fujitsu Limited
- Masahiro Yoshimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 7,113,700
- Issue date Sep 26, 2006
- Fujitsu Limited
- Yoshihiro Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION DEVICE
- Publication number 20140022922
- Publication date Jan 23, 2014
- Mika TOKUNAGA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FRAME TRANSMISSION SYSTEM
- Publication number 20130188654
- Publication date Jul 25, 2013
- Fujitsu Limited
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA TRANSMITTER AND DATA TRANSMISSION METHOD
- Publication number 20100128726
- Publication date May 27, 2010
- FUJITSU LIMITED
- Makoto TAKAKUWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSMITTING DEVICE FOR SWITCHING FORWARDING DESTINATION
- Publication number 20090245097
- Publication date Oct 1, 2009
- FUJITSU LIMITED
- Makoto TAKAKUWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Ring node and redundancy method
- Publication number 20080298231
- Publication date Dec 4, 2008
- FUJITSU LIMITED
- Makoto TAKAKUWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATIONS LINE MONITORING SYSTEM, RELAY APPARATUS, AND COMMUNI...
- Publication number 20070230083
- Publication date Oct 4, 2007
- FUJITSU LIMITED
- Makoto TAKAKUWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISPERSION COMPENSATING METHOD AND DISPERSION COMPENSATING APPARATUS
- Publication number 20070177878
- Publication date Aug 2, 2007
- FUJITSU LIMITED
- Masahiro Yoshimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus
- Publication number 20070036549
- Publication date Feb 15, 2007
- FUJITSU LIMITED
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dispersion compensating method and dispersion compensating apparatus
- Publication number 20060210220
- Publication date Sep 21, 2006
- FUJITSU LIMITED
- Masahiro Yoshimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Frame transmitting apparatus and frame receiving apparatus
- Publication number 20060098686
- Publication date May 11, 2006
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dispersion compensating method and dispersion compensating apparatus
- Publication number 20050213986
- Publication date Sep 29, 2005
- FUJITSU LIMITED
- Masahiro Yoshimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division-multiplex system
- Publication number 20050201755
- Publication date Sep 15, 2005
- FUJITSU LIMITED
- Makoto Takakuwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20030223751
- Publication date Dec 4, 2003
- FUJITSU LIMITED
- Yoshihiro Shimizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Makoto TAKAKUWA

Person

Patents Grantslast 30 patents

Frame transmission system

Frame transmission system

Data transmitter and data transmission method

Signal transmitting device for switching forwarding destination

Communications line monitoring system, relay apparatus, and communi...

Optical transmission apparatus

Dispersion compensating method and dispersion compensating apparatus

Wavelength division-multiplex system

Dispersion compensating method and dispersion compensating apparatus

Optical transmission system

Patents Applicationslast 30 patents

COMMUNICATION DEVICE

FRAME TRANSMISSION SYSTEM

DATA TRANSMITTER AND DATA TRANSMISSION METHOD

SIGNAL TRANSMITTING DEVICE FOR SWITCHING FORWARDING DESTINATION

Ring node and redundancy method

COMMUNICATIONS LINE MONITORING SYSTEM, RELAY APPARATUS, AND COMMUNI...

DISPERSION COMPENSATING METHOD AND DISPERSION COMPENSATING APPARATUS

Optical transmission apparatus

Dispersion compensating method and dispersion compensating apparatus

Frame transmitting apparatus and frame receiving apparatus

Dispersion compensating method and dispersion compensating apparatus

Wavelength division-multiplex system

Optical transmission system