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TAKAMITSU SHIRAI
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KANAGAWA, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Communication apparatus
Patent number
8,433,289
Issue date
Apr 30, 2013
Fujitsu Limited
Junichi Hasegawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of transferring frames of variable length for a passive opti...
Patent number
7,418,009
Issue date
Aug 26, 2008
Fujitsu Limited
Susumu Tominaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Line failure notifying apparatus for terminal apparatus
Patent number
6,407,984
Issue date
Jun 18, 2002
Fujitsu Limited
Kazuyuki Ohmori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Exchange and an exchange system in a communication network
Patent number
6,404,881
Issue date
Jun 11, 2002
Fujitsu Limited
Shigeru Murata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION APPARATUS
Publication number
20120329428
Publication date
Dec 27, 2012
Fujitsu Limited
Junichi HASEGAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication system
Publication number
20050213574
Publication date
Sep 29, 2005
Naomasa Yoshimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of transferring frames of variable length for a passive opti...
Publication number
20030095568
Publication date
May 22, 2003
FUJITSU LIMITED
Susumu Tominaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LINE FAILURE NOTIFYING APPARATUS FOR TERMINAL APPARATUS
Publication number
20010040870
Publication date
Nov 15, 2001
KAZUYUKI OHMORI
H04 - ELECTRIC COMMUNICATION TECHNIQUE