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Masahiko Aoba
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Greenish blue pigment, colorant composition containing said pigment...
Patent number
9,034,095
Issue date
May 19, 2015
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Koji Tsuchiya
C07 - ORGANIC CHEMISTRY
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Patent Grant
Composite pigments, coloring compositions, and image recording subs...
Patent number
6,368,399
Issue date
Apr 9, 2002
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Masahiko Aoba
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
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Patent Application
GREENISH BLUE PIGMENT, COLORANT COMPOSITION CONTAINING SAID PIGMENT...
Publication number
20140150692
Publication date
Jun 5, 2014
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Koji Tsuchiya
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...