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Haruki Fukuda
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Tokyo, JP
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last 30 patents
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Patent Grant
Packet data communication system with ring type transmission line
Patent number
4,809,267
Issue date
Feb 28, 1989
Fujitsu Limited
Masahiro Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Loop transmission system with frame synchronization control
Patent number
4,779,087
Issue date
Oct 18, 1988
Fujitsu Limited
Haruki Fukuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE