Akihiko MATSUURA

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Yokosuka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmission system
- Patent number 7,542,631
- Issue date Jun 2, 2009
- Nippon Telegraph and Telephone Corporation
- Kazushige Yonenaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 7,536,112
- Issue date May 19, 2009
- Nippon Telegraph and Telephone Corporation
- Kazushige Yonenaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission circuit
- Patent number 6,983,085
- Issue date Jan 3, 2006
- Nippon Telegraph and Telephone Corporation
- Tomoyoshi Kataoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission method, optical transmitter, optical receiver,...
- Patent number 6,865,348
- Issue date Mar 8, 2005
- Nippon Telegraph and Telephone Corporation
- Yutaka Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
LIGHT MODULATION DEVICE AND LIGHT MODULATION METHOD
- Publication number 20170117961
- Publication date Apr 27, 2017
- Nippon Telegraph and Telephone Corporation
- Mikio YONEYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20080205903
- Publication date Aug 28, 2008
- Nippon Telegraph and Telephone Corporation
- Kazushige Yonenaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiplexing relay transmission device
- Publication number 20040114638
- Publication date Jun 17, 2004
- Akihiko Matsuura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission circuit
- Publication number 20030147577
- Publication date Aug 7, 2003
- Tomoyoshi Kataoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20020033984
- Publication date Mar 21, 2002
- Kazushige Yonenaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission method, optical tramsmitter, optical receiver,...
- Publication number 20010017724
- Publication date Aug 30, 2001
- Yutaka Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE