Ink set

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United States of America Patent

PATENT NO 9249322
APP PUB NO 20140210918A1
SERIAL NO

14153499

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The ink set includes a deep black ink containing a carbon black, and a pale black ink containing the carbon black with a lower content than the deep black ink. The deep black ink further contains a first colorant and a second colorant, and the pale black ink further contains the first colorant, but does substantially not contain the second colorant. The first and the second colorant are each selected from the group consisting of cyan colorants, magenta colorants, violet colorants, and green colorants.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kumagai, Shiki Shiojiri, JP 10 15
Mizutani, Akira Shiojiri, JP 114 903
Nakane, Hiroki Matsumoto, JP 63 784

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