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Minoru Ohtsuka
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Tokyo, JP
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last 30 patents
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Patent Grant
Rotatable read/write optical head apparatus
Patent number
5,195,074
Issue date
Mar 16, 1993
Oki Electric Industry Co., Ltd.
Katsushide Tanoshima
G11 - INFORMATION STORAGE
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Patent Grant
Optical head
Patent number
5,097,456
Issue date
Mar 17, 1992
Oki Electric Industry Co., Ltd.
Katsuhide Tanoshima
G11 - INFORMATION STORAGE