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Yoshiaki Matsuura
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Kawasaki, JP
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last 30 patents
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Patent Grant
Switchboard control system
Patent number
4,580,259
Issue date
Apr 1, 1986
Futjitsu Limited
Hidemi Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Centralized supervisory system
Patent number
4,575,839
Issue date
Mar 11, 1986
Fujitsu Limited
Yusuke Ogata
H04 - ELECTRIC COMMUNICATION TECHNIQUE