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Masumi Kurokawa
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Yokohama, JP
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last 30 patents
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Patent Grant
Method for automatically discriminating low-speed interface units i...
Patent number
5,168,500
Issue date
Dec 1, 1992
Fujitsu Limited
Kanji Naito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Transmission line switching system
Patent number
5,109,296
Issue date
Apr 28, 1992
Fujitsu Limited
Takeo Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Optical communication system having an improved protection line swi...
Patent number
5,091,796
Issue date
Feb 25, 1992
Fujitsu Limited
Koichi Nishimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE