Kazunori UMEZAKI

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mobile terminal, communication system including communication serve...
- Patent number 8,320,917
- Issue date Nov 27, 2012
- Fujitsu Limited
- Tomonari Kagimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network quality monitoring device and method for internet services...
- Patent number 8,300,633
- Issue date Oct 30, 2012
- Fujitsu Limited
- Ryuji Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet relaying apparatus
- Patent number 6,771,645
- Issue date Aug 3, 2004
- Fujitsu Limited
- Yasushi Sasagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice gateway and route selection
- Patent number 6,584,110
- Issue date Jun 24, 2003
- Fujitsu Limited
- Yasuhiro Mizuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Communication Method, Communication System And Base Station
- Publication number 20100248726
- Publication date Sep 30, 2010
- Fujitsu Limited
- Tomonari KAGIMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK QUALITY MONITORING DEVICE AND METHOD FOR INTERNET SERVICES...
- Publication number 20100150014
- Publication date Jun 17, 2010
- Fujitsu Limited
- Ryuji ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE