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Kazutaka Sakai
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Yamato, JP
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Patents Grants
last 30 patents
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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
Terminal multiplexer and method of constructing the terminal multip...
Patent number
6,219,336
Issue date
Apr 17, 2001
Hitachi, Ltd.
Masatoshi Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal multiplexer and method of constructing the terminal multip...
Patent number
6,049,525
Issue date
Apr 11, 2000
Hitachi, Ltd.
Masatoshi Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coded mark inversion block synchronization circuit
Patent number
5,038,351
Issue date
Aug 6, 1991
Hitachi, Ltd.
Kazutaka Sakai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
TRANSMISSION DEVICE
Publication number
20120027023
Publication date
Feb 2, 2012
Hitachi, Ltd.
Yoshio Nogi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION APPARATUS, TRANSMISSION SYSTEM AND FAILURE DETECTION M...
Publication number
20110058807
Publication date
Mar 10, 2011
Hitachi, Ltd
Rei SUZUKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE