Koji Aburada

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Sumiyoshi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Trisazo compounds imparting deep black color a method for dyeing by...
- Patent number 5,536,819
- Issue date Jul 16, 1996
- Sumitomo Chemical Company, Limited
- Yuriko Tamura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Tetraskisazo compound and ink containing the compound
- Patent number 5,530,105
- Issue date Jun 25, 1996
- Sumitomo Chemical Company, Limited
- Satoshi Yamazaki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Trisazo compound imparting black color, method for dyeing by using...
- Patent number 5,489,671
- Issue date Feb 6, 1996
- Sumitomo Chemical Company, Limited
- Kazuya Ogino
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...