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Koso Murakami
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Yokohama, JP
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last 30 patents
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Patent Grant
Self-routing switching system with multiple link connections betwee...
Patent number
4,993,018
Issue date
Feb 12, 1991
Fujitsu Limited
Kazuo Hajikano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Non-blocking optical space switch
Patent number
4,837,855
Issue date
Jun 6, 1989
Fujitsu Limited
Kazuo Hajikano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switching system having tone trunk
Patent number
4,680,758
Issue date
Jul 14, 1987
Fujitsu Limited
Masayuki Kumazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switching system having capability for telecommunication conferences
Patent number
4,656,625
Issue date
Apr 7, 1987
Fujitsu Limited
Shoji Nojiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE