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Masatoshi Shibasaki
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Data transfer device and data transfer system
Patent number
8,831,040
Issue date
Sep 9, 2014
Hitachi, Ltd.
Tetsuya Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission device with function of packetizing and transmitting
Patent number
8,634,426
Issue date
Jan 21, 2014
Hitachi, Ltd.
Yoshio Nogi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network system
Patent number
8,416,681
Issue date
Apr 9, 2013
Hitachi, Ltd.
Yukihisa Tamura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Transmission device
Patent number
8,306,066
Issue date
Nov 6, 2012
Hitachi, Ltd.
Masatoshi Shibasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interface board and optical transmission equipment
Patent number
8,149,868
Issue date
Apr 3, 2012
Hitachi, Ltd.
Hidemasa Narita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical multiple transmission method, optical network and optical t...
Patent number
7,912,373
Issue date
Mar 22, 2011
Hitachi, Ltd.
Yusuke Yajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Stuffing and destuffing operations when mapping low-order client si...
Patent number
7,830,924
Issue date
Nov 9, 2010
Hitachi Communication Technologies, Ltd.
Kenji Kawamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical cross connect apparatus and network
Patent number
7,756,045
Issue date
Jul 13, 2010
Hitachi, Ltd.
Toshiyuki Atsumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical cross connect apparatus and network
Patent number
7,433,371
Issue date
Oct 7, 2008
Hitachi Communication Technologies, Ltd.
Toshiyuki Atsumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical multiple transmission method, optical network and optical t...
Patent number
7,133,614
Issue date
Nov 7, 2006
Yusuke Yajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Forward error correcting code encoding equipment, forward error cor...
Patent number
6,871,314
Issue date
Mar 22, 2005
Hitachi, Ltd.
Masaki Ohira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Forward error correcting code encoding equipment, forward error cor...
Patent number
6,735,735
Issue date
May 11, 2004
Hitachi, Ltd.
Masaki Ohira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
TRANSMISSION DEVICE
Publication number
20120027023
Publication date
Feb 2, 2012
Hitachi, Ltd.
Yoshio Nogi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA TRANSFER DEVICE AND DATA TRANSFER SYSTEM
Publication number
20110216782
Publication date
Sep 8, 2011
Hitachi, Ltd.
TETSUYA NAKAJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK SYSTEM
Publication number
20110214008
Publication date
Sep 1, 2011
Hitachi, Ltd.
YUKIHISA TAMURA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPERATION AND CONSTRUCTION METHOD OF NETWORK USING MULTI-RATE INTER...
Publication number
20110164622
Publication date
Jul 7, 2011
Yukihisa TAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK SYSTEM
Publication number
20100226370
Publication date
Sep 9, 2010
Hitachi, Ltd.
Yukihisa TAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION DEVICE
Publication number
20100111111
Publication date
May 6, 2010
Hitachi, Ltd.
Masatoshi SHIBASAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Operation and construction method of network using multi-rate inter...
Publication number
20090028548
Publication date
Jan 29, 2009
Yukihisa Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Cross Connect Apparatus and Network
Publication number
20090022059
Publication date
Jan 22, 2009
Hitachi Communication Technologies, Ltd.
Toshiyuki ATSUMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTERFACE BOARD AND OPTICAL TRANSMISSION EQUIPMENT
Publication number
20080232818
Publication date
Sep 25, 2008
Hidemasa Narita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTIPLEXED OPTICAL SIGNAL TRANSMISSION APPARATUS
Publication number
20080225882
Publication date
Sep 18, 2008
Toshiyuki ATSUMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMITTING EQUIPMENT AND RECEIVING EQUIPMENT
Publication number
20080145065
Publication date
Jun 19, 2008
Kenji Kawamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical multiple transmission method, optical network and optical t...
Publication number
20070110445
Publication date
May 17, 2007
Yusuke Yajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical cross connect apparatus and network
Publication number
20050185958
Publication date
Aug 25, 2005
Hitachi Communication Technologies, Inc.
Toshiyuki Atsumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Forward error correcting code encoding equipment, forward error cor...
Publication number
20030115529
Publication date
Jun 19, 2003
Hitachi, Ltd
Masaki Ohira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Error correction transmission apparatus
Publication number
20020091982
Publication date
Jul 11, 2002
Hitachi, Ltd
Masaki Ohira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical multiple transmission method, optical network and optical t...
Publication number
20020048064
Publication date
Apr 25, 2002
Yusuke Yajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE