Kenichi Kaburagi

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Transmission device, transmission system, and method for adjusting...
- Patent number 9,124,382
- Issue date Sep 1, 2015
- Fujitsu Limited
- Kenichi Kaburagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication device and dispersion compensation method
- Patent number 8,538,265
- Issue date Sep 17, 2013
- Fujitsu Limited
- Kenichi Kaburagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detecting abnormality in an optical receiver
- Patent number 7,991,301
- Issue date Aug 2, 2011
- Fujitsu Limited
- Noriaki Mizuguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase control apparatus and optical DQPSK receiver
- Patent number 7,684,713
- Issue date Mar 23, 2010
- Fujitsu Limited
- Yoshikazu Terayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase monitor used in optical receiver
- Patent number 7,676,162
- Issue date Mar 9, 2010
- Fujitsu Limited
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRANSMISSION DEVICE, TRANSMISSION SYSTEM, AND METHOD FOR ADJUSTING...
- Publication number 20140161448
- Publication date Jun 12, 2014
- Fujitsu Limited
- Kenichi Kaburagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical communication device and dispersion compensation method
- Publication number 20120020661
- Publication date Jan 26, 2012
- FUJITSU LIMITED
- Kenichi Kaburagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DQPSK RECEIVER AND OPTICAL PHASE MONITOR APPARATUS FOR USE...
- Publication number 20090214226
- Publication date Aug 27, 2009
- FUJITSU LIMITED
- Noriaki MIZUGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DETECTING ABNORMALITY IN AN OPTICAL RECEIVER
- Publication number 20080253761
- Publication date Oct 16, 2008
- FUJITSU LIMITED
- Noriaki MIZUGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase monitor used in optical receiver
- Publication number 20080056733
- Publication date Mar 6, 2008
- FUJITSU LIMITED
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase control apparatus and optical DQPSK receiver
- Publication number 20070292140
- Publication date Dec 20, 2007
- FUJITSU LIMITED
- Yoshikazu Terayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE