Yoshihiro Takikawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for correcting a path trouble in a communication...
- Patent number 8,134,920
- Issue date Mar 13, 2012
- Nippon Telegraph and Telephone Corporation
- Wataru Imajuku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Node used in photonic network, and photonic network
- Patent number 7,313,328
- Issue date Dec 25, 2007
- Nippon Telegraph and Telephone Corporation
- Eiji Oki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Device and method for correcting a path trouble in a communication...
- Publication number 20060256712
- Publication date Nov 16, 2006
- Nippon Telegraph and Telephone Corporation
- Wataru Imajuku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Node used in photonic network, and photonic network
- Publication number 20030161633
- Publication date Aug 28, 2003
- Eiji Oki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE