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Kumio Ozeki
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Tokyo, JP
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last 30 patents
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Patent Grant
Key switch
Patent number
5,512,722
Issue date
Apr 30, 1996
SMK Corporation
Kumio Ozeki
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Double-axis key switch
Patent number
5,448,026
Issue date
Sep 5, 1995
SMK Corporation
Kumio Ozeki
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Keyboard switch
Patent number
5,430,267
Issue date
Jul 4, 1995
SMK Corporation
Kumio Ozeki
H01 - BASIC ELECTRIC ELEMENTS