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Naonobu Fujimoto
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Kawasaki, JP
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last 30 patents
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Patent Grant
Control method and apparatus for suppressing jitter
Patent number
5,737,373
Issue date
Apr 7, 1998
Fujitsu Limited
Sakutaro Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Duplexed communication system
Patent number
5,406,255
Issue date
Apr 11, 1995
Fujitsu Limited
Naonobu Fujimoto
G08 - SIGNALLING
Information
Patent Grant
Switching system of optical transmission lines for protecting from...
Patent number
5,327,275
Issue date
Jul 5, 1994
Fujitsu Limited
Kazuo Yamane
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Drop/insert channel selecting system
Patent number
5,134,609
Issue date
Jul 28, 1992
Fujitsu Limited
Masakazu Mori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pulse insertion circuit
Patent number
5,014,271
Issue date
May 7, 1991
Fujitsu Limited
Naonobu Fujimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frequency converter
Patent number
4,885,746
Issue date
Dec 5, 1989
Fujitsu Limited
Takeo Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hierarchical data transmission system
Patent number
4,811,341
Issue date
Mar 7, 1989
Fujitsu Limited
Naonobu Fujimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiplex system for replacing a faulty multiplexer output with an...
Patent number
4,754,456
Issue date
Jun 28, 1988
Fujitsu Limited
Yoshiaki Yato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Frame synchronizing circuit
Patent number
4,748,623
Issue date
May 31, 1988
Fujitsu Limited
Naonobu Fujimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hierarchical data transmission system
Patent number
4,727,541
Issue date
Feb 23, 1988
Fujitsu Limited
Masakazu Mori
H04 - ELECTRIC COMMUNICATION TECHNIQUE