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Kazuyuki Koganemaru
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Tokyo, JP
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last 30 patents
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Patent Grant
Fire detector having bayonet coupling and locking mechanism for bas...
Patent number
5,478,256
Issue date
Dec 26, 1995
Nohmi Bosai Ltd.
Kazuyuki Koganemaru
G08 - SIGNALLING
Information
Patent Grant
Detector base
Patent number
5,403,198
Issue date
Apr 4, 1995
Nohmi Bosai Ltd.
Kazuyuki Koganemaru
G08 - SIGNALLING
Information
Patent Grant
Ionization type smoke detector
Patent number
5,399,864
Issue date
Mar 21, 1995
Nohmi Bosai Ltd.
Yoshinori Igarashi
G08 - SIGNALLING