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Mituhiro Ohta
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Osaka, JP
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last 30 patents
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Patent Grant
Trisazo compounds, method for dyeing fiber materials, paper or leat...
Patent number
5,488,101
Issue date
Jan 30, 1996
Sumitomo Chemical Company, Limited
Kazuya Ogino
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink compositions for ink jet recording
Patent number
5,183,501
Issue date
Feb 2, 1993
Sumitomo Chemical Company, Limited
Hideo Kawashita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Disazo compound and ink composition containing the same
Patent number
5,149,366
Issue date
Sep 22, 1992
Sumitomo Chemical Company, Limited
Hideo Kawashita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...