Katsunori Takahashi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mobile node, server, and communication system
- Patent number 7,496,071
- Issue date Feb 24, 2009
- Hitachi Communication Technologies, Ltd.
- Mariko Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for data communication on packet-switching net...
- Patent number 7,315,543
- Issue date Jan 1, 2008
- Hitachi Communications Technologies, Ltd.
- Keisuke Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Mobile node, server, and communication system
- Publication number 20060018273
- Publication date Jan 26, 2006
- Hitachi Communication Technologies, Ltd.
- Mariko Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for data communication on packet-switching net...
- Publication number 20040233916
- Publication date Nov 25, 2004
- Keisuke Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE