Mahito Fujita

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Packaging material for packaging of container having photosensitive...
- Patent number 8,420,190
- Issue date Apr 16, 2013
- Sumitomo Chemical Company, Limited
- Mahito Fujita
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
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...
Information Patent Grant
Bisazo compounds and method for dyeing or printing fiber materials...
- Patent number 5,463,032
- Issue date Oct 31, 1995
- Sumitomo Chemical Company, Limited
- Kingo Akahori
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Bisazo compounds having sulfophenylazonaphtylazophenylamino-s-triaz...
- Patent number 5,306,814
- Issue date Apr 26, 1994
- Sumitomo Chemical Company, Limited
- Kingo Akahori
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...