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Shuhei Nakamichi
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Ibaraki, JP
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last 30 patents
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Patent Grant
Optical data recording medium
Patent number
5,427,893
Issue date
Jun 27, 1995
Hitachi Maxell, Ltd.
Eiji Koyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Information recording medium
Patent number
5,273,860
Issue date
Dec 28, 1993
Hitachi, Ltd.
Tetsuya Nishida
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical data recording medium and manufacturing method thereof
Patent number
5,234,792
Issue date
Aug 10, 1993
Hitachi Maxell, Ltd.
Eiji Koyama
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Optical recording medium and method for manufacturing the same
Patent number
5,132,152
Issue date
Jul 21, 1992
Hitachi Maxell, Ltd.
Akira Gotoh
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and method of manufacturing the same
Patent number
5,126,180
Issue date
Jun 30, 1992
Hitachi Maxell, Ltd.
Akira Gotoh
G11 - INFORMATION STORAGE