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Hiroki Hamachi
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Fukuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Frame transmission device and loop judging method
Patent number
8,139,584
Issue date
Mar 20, 2012
Fujitsu Limited
Shigeru Suzuyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network interconnection apparatus for interconnecting a LAN and an...
Patent number
7,185,112
Issue date
Feb 27, 2007
Fujitsu Limited
Shinichi Kuranari
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Node device
Patent number
6,891,795
Issue date
May 10, 2005
Fujitsu Limited
Hiroki Hamachi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
FRAME TRANSMISSION DEVICE AND LOOP JUDGING METHOD
Publication number
20090207742
Publication date
Aug 20, 2009
FUJITSU LIMITED
Shigeru SUZUYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Download method and transmission device using the same
Publication number
20070192472
Publication date
Aug 16, 2007
Fujitsu Limited
Shingo Tokunaga
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Synchronous transmission network system
Publication number
20060039347
Publication date
Feb 23, 2006
FUJITSU LIMITED
Kazuhiko Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE