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Masao Ohnishi
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Saitama, JP
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last 30 patents
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Patent Grant
Aminium salt or diimonium salt compounds and use thereof
Patent number
6,475,590
Issue date
Nov 5, 2002
Nippon Kayaku Kabushiki Kaisha
Yasuyuki Kitayama
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for dyeing or coloring organic macromolecular substance by u...
Patent number
5,387,264
Issue date
Feb 7, 1995
Nippon Kayaku Kabushiki Kaisha
Yasuo Murakami
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...