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Shigeru Kajii
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Kawasaki, JP
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last 30 patents
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Patent Grant
Smoke detector with changeable pulse light emitting interval for mo...
Patent number
4,651,013
Issue date
Mar 17, 1987
Hochiki Corporation
Shigeru Kajii
G08 - SIGNALLING
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Patent Grant
Storage type smoke detector
Patent number
4,123,656
Issue date
Oct 31, 1978
Hochiki Corporation
Shigeru Kajii
G08 - SIGNALLING