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Yoshihiko Okuda
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Izumi, JP
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last 30 patents
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Patent Grant
Optical sensor for detecting distance to an object including anamor...
Patent number
4,970,384
Issue date
Nov 13, 1990
Matsushita Electric Works, Ltd.
Yoshiaki Kambe
G01 - MEASURING TESTING
Information
Patent Grant
Optical sensor with optical interconnection board
Patent number
4,876,446
Issue date
Oct 24, 1989
Matsushita Electric Works, Ltd.
Yoshiaki Kambe
G01 - MEASURING TESTING
Information
Patent Grant
Photoelectric switch with limit setting means to prevent disablemen...
Patent number
4,633,077
Issue date
Dec 30, 1986
Matsushita Electric Works, Ltd.
Motoo Ikari
G01 - MEASURING TESTING
Information
Patent Grant
Ionization type smoke sensing device
Patent number
4,396,840
Issue date
Aug 2, 1983
Matsushita Electric Works, Ltd.
Tsunehiko Araki
G08 - SIGNALLING
Information
Patent Grant
Light scattering type smoke detector
Patent number
4,103,997
Issue date
Aug 1, 1978
Matsushita Electric Works, Ltd.
Tsunehiko Araki
G08 - SIGNALLING