Takahiro SHIRAKAWA

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Internet telephony system
- Patent number 6,724,749
- Issue date Apr 20, 2004
- Fujitsu Limited
- Masayuki Tashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION DEVICE SEARCHING METHOD, COMMUNICATION DEVICE, AND AD...
- Publication number 20140372502
- Publication date Dec 18, 2014
- Fujitsu Limited
- Takahiro SHIRAKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK APPARATUS, TRANSMISSION DESTINATION INQUIRING METHOD, AND N...
- Publication number 20120317230
- Publication date Dec 13, 2012
- Fujitsu Limited
- Takahiro SHIRAKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE