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Minoru Ishikawa
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Tochigi, JP
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last 30 patents
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Patent Grant
Drop/insert multiplexer for data channel access units
Patent number
5,220,558
Issue date
Jun 15, 1993
Fujitsu Limited
Minoru Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Channel access system
Patent number
5,020,053
Issue date
May 28, 1991
Fujitsu Limited
Minoru Ishikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
System for controlling a change of sequence order of channel data
Patent number
4,740,959
Issue date
Apr 26, 1988
Fujitsu Limited
Toru Kosugi
H04 - ELECTRIC COMMUNICATION TECHNIQUE