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Shosaku Yamasaki
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Time slot interchanger
Patent number
8,582,597
Issue date
Nov 12, 2013
Fujitsu Limited
Mitsuhiro Kawaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission apparatus
Patent number
8,355,632
Issue date
Jan 15, 2013
Fujitsu Limited
Mitsuhiro Kawaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network apparatus that determines whether data is written into buff...
Patent number
8,295,161
Issue date
Oct 23, 2012
Fujitsu Limited
Ryoji Azumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission device for processing and transmitting signals of a pl...
Patent number
7,545,831
Issue date
Jun 9, 2009
Fujitsu Limited
Takeshi Toyoyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal relay device and relay method
Patent number
7,443,843
Issue date
Oct 28, 2008
Fujitsu Limited
Hiroyuki Matsuo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Clock anomaly detection circuit and clock anomaly detection method
Patent number
7,391,240
Issue date
Jun 24, 2008
Fujitsu Limited
Shosaku Yamasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
SDH transmission apparatus and frame timing re-clocking method for...
Patent number
7,145,920
Issue date
Dec 5, 2006
Fujitsu Limited
Toshiaki Kinoshita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Connection switching circuit for ring system
Patent number
5,909,175
Issue date
Jun 1, 1999
Fujitsu Limited
Shosaku Yamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
NETWORK APPARATUS
Publication number
20100158514
Publication date
Jun 24, 2010
FUJITSU LIMITED
Ryoji AZUMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmission apparatus
Publication number
20100124416
Publication date
May 20, 2010
FUJITSU LIMITED
Mitsuhiro Kawaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Time slot interchanger
Publication number
20080304508
Publication date
Dec 11, 2008
FUJITSU LIMITED
Mitsuhiro Kawaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Clock anomaly detection circuit and clock anomaly detection method
Publication number
20070262824
Publication date
Nov 15, 2007
FUJITSU LIMITED
Shosaku Yamasaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Terminal relay device and relay method
Publication number
20050195864
Publication date
Sep 8, 2005
Hiroyuki Matsuo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmission device, and data processing method in same
Publication number
20030126285
Publication date
Jul 3, 2003
Takeshi Toyoyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SDH transmission apparatus and frame timing re-clocking method for...
Publication number
20020064184
Publication date
May 30, 2002
Toshiaki Kinoshita
H04 - ELECTRIC COMMUNICATION TECHNIQUE