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Katsutoshi Kuwabara
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Yamato, JP
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last 30 patents
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Patent Grant
Two-wire fire sensing and receiving system
Patent number
4,219,803
Issue date
Aug 26, 1980
Hochiki Corporation
Katsutoshi Kuwabara
G08 - SIGNALLING
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Patent Grant
Fire-responsive control device utilizing thyristors
Patent number
4,146,803
Issue date
Mar 27, 1979
Hochiki Corporation
Katsutoshi Kuwabara
G08 - SIGNALLING
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Patent Grant
Two-wire system including signal receiving section and detection se...
Patent number
4,142,219
Issue date
Feb 27, 1979
Hochiki Corporation
Katsutoshi Kuwabara
G08 - SIGNALLING