Junichi Yoshimura

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Transmission path monitoring method and device
- Patent number 8,326,144
- Issue date Dec 4, 2012
- Fujitsu Limited
- Katsuji Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical node system and switched connection method
- Patent number 6,697,546
- Issue date Feb 24, 2004
- Fujitsu Limited
- Sadao Ibukuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for compensating for dispersion in submarine optical ampl...
- Patent number 5,793,917
- Issue date Aug 11, 1998
- Fujitsu Limited
- Junichi Yoshimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relay transmission system including optical amplification
- Patent number 5,510,925
- Issue date Apr 23, 1996
- Fujitsu Limited
- Katsuo Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital communication terminal equipment
- Patent number 5,134,612
- Issue date Jul 28, 1992
- Fujitsu Limited
- Junichi Yoshimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase synchronization pull-in system in bit error detecting apparatus
- Patent number 5,123,020
- Issue date Jun 16, 1992
- Fujitsu Limited
- Junichi Yoshimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS TO CONTROL DATA DISTRIBUTION TO COMMUNICATION DEVICES DEP...
- Publication number 20170094029
- Publication date Mar 30, 2017
- Fujitsu Limited
- Junichi YOSHIMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION PATH MONITORING METHOD AND DEVICE
- Publication number 20100027993
- Publication date Feb 4, 2010
- FUJITSU LIMITED
- Katsuji YAMAGUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical node system and switched connection method
- Publication number 20040151499
- Publication date Aug 5, 2004
- FUJITSU LIMITED
- Sadao Ibukuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical node system and switched connection method
- Publication number 20010024540
- Publication date Sep 27, 2001
- Sadao Ibukuro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE