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Yuji Itsuki
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Anan, JP
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last 30 patents
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Patent Grant
Phosphor composition, phosphor-coating composition, discharge lamp,...
Patent number
5,523,018
Issue date
Jun 4, 1996
Nichia Kagaku Kogyo K.K.
Kouichi Okada
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phosphor composition, phosphor-coating composition, discharge lamp...
Patent number
5,433,888
Issue date
Jul 18, 1995
Nichia Kagaku Kogyo, K.K.
Kouichi Okada
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phosphor composition used for fluorescent lamp and fluorescent lamp...
Patent number
5,049,779
Issue date
Sep 17, 1991
Nichia Kagaku Kogyo K.K.
Yuji Itsuki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light-emitting composition and fluorescent lamp
Patent number
4,890,033
Issue date
Dec 26, 1989
Nichia Kagaku Kogyo K.K.
Keizi Ichinomiya
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...