Shinichi Azuma

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of 6,13-dihydroquinacridones and apparat...
- Patent number 5,610,306
- Issue date Mar 11, 1997
- Toyo Ink Manufacturing Co., Ltd.
- Hitoshi Maki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing metal phthalocyanine pigment
- Patent number 5,318,623
- Issue date Jun 7, 1994
- Toyo Ink Manufacturing Co., Ltd.
- Shinichi Azuma
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...