Akira Tokunaga

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Yokohma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resilient packet ring device
- Patent number 7,532,634
- Issue date May 12, 2009
- Fujitsu Limited
- Atsuko Higashitaniguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network relay apparatus and method of combining packets
- Patent number 7,274,711
- Issue date Sep 25, 2007
- Fujitsu Limited
- Noriki Kajizaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ATM cell compression device and ATM cell recovery device, ATM cell...
- Patent number 6,535,526
- Issue date Mar 18, 2003
- Fujitsu Limited
- Hisashi Oyamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image data communicating apparatus and a communication data quantit...
- Patent number 5,968,132
- Issue date Oct 19, 1999
- Fujitsu Limited
- Akira Tokunaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION TERMINAL APPARATUS, SOFTWARE ACQUIRING METHOD, AND RE...
- Publication number 20110105029
- Publication date May 5, 2011
- Fujitsu Limited
- Yukio TAKAYASHIKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Resilient packet ring device
- Publication number 20050243845
- Publication date Nov 3, 2005
- Fujitsu Limited
- Atsuko Higashitaniguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network relay apparatus and method of combining packets
- Publication number 20010055317
- Publication date Dec 27, 2001
- Noriki Kajizaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE