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Hidemi Yoshida
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Odawara, JP
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last 30 patents
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Patent Grant
Phosphor and electron excited fluorescent display device using the...
Patent number
4,874,985
Issue date
Oct 17, 1989
Kasei Optonix Limited
Takashi Hase
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Monochrome display cathode ray tube with long after glow phosphors
Patent number
4,631,445
Issue date
Dec 23, 1986
Kasei Optonix, Ltd.
Takashi Hase
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...