Atsushi Takahara

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multicast communication system
- Patent number 7,305,010
- Issue date Dec 4, 2007
- Nippon Telegraph and Telephone Corporation
- Tsunemasa Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength division multiplexing transmission network syste...
- Patent number 6,643,463
- Issue date Nov 4, 2003
- Nippon Telegraph and Telephone Corporation
- Senichi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Multicast communication system
- Publication number 20030147392
- Publication date Aug 7, 2003
- Tsunemasa Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE