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Shigeru Ito
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Hyogo, JP
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last 30 patents
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Patent Grant
Naphthol derivatives and process for producing the same
Patent number
6,252,104
Issue date
Jun 26, 2001
Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
Ryuzo Ueno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Naphthol derivatives and process for producing the same
Patent number
5,847,233
Issue date
Dec 8, 1998
Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
Ryuzo Ueno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Naphthol derivatives and process for producing the same
Patent number
5,786,523
Issue date
Jul 28, 1998
Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
Ryuzo Ueno
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing azo pigment
Patent number
4,804,415
Issue date
Feb 14, 1989
Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
Ryuzo Ueno
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...