Keiichi Nakatugawa

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Handover method and mobile communication system and mobile terminal...
- Patent number 7,554,950
- Issue date Jun 30, 2009
- Fujitsu Limited
- Keiichi Nakatugawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
QoS setup method and QoS setup system for use in mobile communicati...
- Publication number 20060215599
- Publication date Sep 28, 2006
- FUJITSU LIMITED
- Keiichi Nakatugawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Handover method and mobile communication system and mobile terminal...
- Publication number 20060056349
- Publication date Mar 16, 2006
- FUJITSU LIMITED
- Keiichi Nakatugawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE