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Kayoko Oishi
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Tokyo, JP
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last 30 patents
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Patent Grant
Magneto-optical recording medium having a reflective film of Ag and...
Patent number
5,040,166
Issue date
Aug 13, 1991
Oki Electric Industry Co., Ltd.
Masanobu Kobayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-optical recording medium having protective film with increa...
Patent number
5,009,762
Issue date
Apr 23, 1991
Oki Electric Industry Co., Ltd.
Yoshinori Maeno
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magneto-optical recording medium having protective film with increa...
Patent number
4,950,547
Issue date
Aug 21, 1990
Oki Electric Industry Co., Ltd.
Yoshinori Maeno
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...