Wataru Kawasaki

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical transmitter and optical transmission method
- Patent number 9,755,777
- Issue date Sep 5, 2017
- Fujitsu Limited
- Koji Bato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device, optical transmission system, and optic...
- Patent number 9,450,698
- Issue date Sep 20, 2016
- Fujitsu Limited
- Koji Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication apparatus and control method thereof
- Patent number 9,270,382
- Issue date Feb 23, 2016
- Fujitsu Limited
- Yuichiro Sakane
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and method
- Patent number 9,112,637
- Issue date Aug 18, 2015
- Fujitsu Limited
- Yuichiro Sakane
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical packet switching system
- Patent number 8,897,638
- Issue date Nov 25, 2014
- Fujitsu Telecom Networks Limited
- Koshi Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication device and signal adjusting method
- Patent number 8,891,966
- Issue date Nov 18, 2014
- Fujitsu Limited
- Tatsuya Toyozumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical packet switch device
- Patent number 8,755,374
- Issue date Jun 17, 2014
- Fujitsu Telecom Networks Limited
- Shota Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical packet switching apparatus
- Patent number 8,718,470
- Issue date May 6, 2014
- Fujitsu Telecom Networks Limited
- Wataru Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing transmission apparatus for control...
- Patent number 8,630,541
- Issue date Jan 14, 2014
- Fujitsu Telecom Networks Limited
- Wataru Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical packet switching apparatus
- Patent number 8,542,996
- Issue date Sep 24, 2013
- Fujitsu Telecom Networks Limited
- Wataru Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus
- Patent number 7,577,873
- Issue date Aug 18, 2009
- Fujitsu Limited
- Wataru Kawasaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Transmission device for automatically set an optimal point for a si...
- Patent number 7,409,029
- Issue date Aug 5, 2008
- Fujitsu Limited
- Wataru Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMITTER AND OPTICAL TRANSMISSION METHOD
- Publication number 20160020866
- Publication date Jan 21, 2016
- Fujitsu Limited
- Koji BATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTIC...
- Publication number 20140355976
- Publication date Dec 4, 2014
- Fujitsu Limited
- Koji Matsunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION APPARATUS AND CONTROL METHOD THEREOF
- Publication number 20140355980
- Publication date Dec 4, 2014
- Fujitsu Limited
- Yuichiro Sakane
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS, AND OP...
- Publication number 20140355978
- Publication date Dec 4, 2014
- Fujitsu Limited
- TOMOYUKI SAKATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND METHOD
- Publication number 20140112661
- Publication date Apr 24, 2014
- FUJITSU TELECOM NETWORKS LIMITED
- Yuichiro Sakane
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PACKET SWITCHING APPARATUS
- Publication number 20120328284
- Publication date Dec 27, 2012
- Wataru Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION DEVICE AND SIGNAL ADJUSTING METHOD
- Publication number 20120315039
- Publication date Dec 13, 2012
- FUJITSU TELECOM NETWORKS LIMITED
- Tatsuya TOYOZUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PACKET SWITCHING SYSTEM
- Publication number 20120275783
- Publication date Nov 1, 2012
- Koshi KITAJIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PACKET SWITCH DEVICE
- Publication number 20120163815
- Publication date Jun 28, 2012
- Shota Mori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PACKET SWITCHING APPARATUS
- Publication number 20120128352
- Publication date May 24, 2012
- Wataru Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH DIVISION MULTIPLEXING TRANSMISSION APPARATUS FOR CONTROL...
- Publication number 20110211831
- Publication date Sep 1, 2011
- Wataru Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Reference-clock selection circuit and reference-clock selection method
- Publication number 20090297163
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Yoshiaki Shibayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission apparatus
- Publication number 20080016403
- Publication date Jan 17, 2008
- FUJITSU LIMITED
- Wataru Kawasaki
- G06 - COMPUTING CALCULATING COUNTING

Wataru Kawasaki

Person

Patents Grantslast 30 patents

Optical transmitter and optical transmission method

Optical transmission device, optical transmission system, and optic...

Optical communication apparatus and control method thereof

Optical transmission device and method

Optical packet switching system

Optical communication device and signal adjusting method

Optical packet switch device

Optical packet switching apparatus

Wavelength division multiplexing transmission apparatus for control...

Optical packet switching apparatus

Transmission apparatus

Transmission device for automatically set an optimal point for a si...

Patents Applicationslast 30 patents

OPTICAL TRANSMITTER AND OPTICAL TRANSMISSION METHOD

OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTIC...

OPTICAL COMMUNICATION APPARATUS AND CONTROL METHOD THEREOF

OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS, AND OP...

OPTICAL TRANSMISSION DEVICE AND METHOD

OPTICAL PACKET SWITCHING APPARATUS

OPTICAL COMMUNICATION DEVICE AND SIGNAL ADJUSTING METHOD

OPTICAL PACKET SWITCHING SYSTEM

OPTICAL PACKET SWITCH DEVICE

OPTICAL PACKET SWITCHING APPARATUS

WAVELENGTH DIVISION MULTIPLEXING TRANSMISSION APPARATUS FOR CONTROL...

Reference-clock selection circuit and reference-clock selection method

Transmission apparatus