Toshio Tanaka

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Omigawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing dimethylaminomethyl copper phthalocyanine and...
- Patent number 4,888,422
- Issue date Dec 19, 1989
- Dainippon Ink and Chemicals, Inc.
- Toshio Takei
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for producing dimethylaminomethyl copper phthalocyanine and...
- Patent number 4,810,297
- Issue date Mar 7, 1989
- Dainippon Ink and Chemicals, Inc.
- Toshio Takei
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...