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Yutaka Nishii
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Moriguchi, JP
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last 30 patents
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Patent Grant
Dye-containing light-polarizing film
Patent number
5,310,509
Issue date
May 10, 1994
Sumitomo Chemical Company, Limited
Toyokazu Okada
G02 - OPTICS
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Patent Grant
Trisazo compounds useful in producing water-resistant ink compositions
Patent number
4,734,489
Issue date
Mar 29, 1988
Taoka Chemical Company, Limited
Shinjiro Kawasaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Dye solution composition
Patent number
4,592,756
Issue date
Jun 3, 1986
Taoka Chemical Company, Limited
Sinjiro Kawasaki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...