Hiroaki Tsuchiya

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing benzyl esters of aromatic hydroxycarboxylic a...
- Patent number 4,973,737
- Issue date Nov 27, 1990
- Kabushiki Kaisha Veno Seiyaku Oyo Kenkyuo
- Ryuzo Ueno
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing azo pigments
- Patent number 4,655,844
- Issue date Apr 7, 1987
- Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
- Ryuzo Ueno
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Azo pigments derived from 2-hydroxynaphthalene-3-carboxylic acid or...
- Patent number 4,530,724
- Issue date Jul 23, 1985
- Kabushiki Kaisha Ueno Seiyaku Uno Kenkyujo
- Ryuzo Ueno
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing 2-hydroxynaphthalenecarboxylic acids
- Patent number 4,239,913
- Issue date Dec 16, 1980
- Kabushiki Kaisha Veno Seiyaku Oyo Kenkyujo
- Ryuzo Ueno
- C07 - ORGANIC CHEMISTRY