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Hirofumi Yagawa
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Yokohama, JP
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Patents Grants
last 30 patents
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Patent Grant
Network communication monitoring system, network communication moni...
Patent number
7,639,690
Issue date
Dec 29, 2009
Fujitsu Limited
Katsunori Mawatari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frame transmission device
Patent number
7,313,144
Issue date
Dec 25, 2007
Fujitsu Limited
Daisuke Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Network communication monitoring system, network communication moni...
Publication number
20070217422
Publication date
Sep 20, 2007
FUJITSU LIMITED
Katsunori Mawatari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication rate control method and device
Publication number
20060209687
Publication date
Sep 21, 2006
FUJITSU LIMITED
Hirofumi Yagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Uninterrupted transfer method in IP network in the event of line fa...
Publication number
20050201375
Publication date
Sep 15, 2005
Yoshihide Komatsu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Frame transmission device
Publication number
20050141416
Publication date
Jun 30, 2005
Daisuke Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE