INK DISCHARGING DEVICE, METHOD OF DISCHARGING INK, METHOD OF MANUFACTURING INK-DISCHARGED MATTER, WHITE INK, AND SET

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United States of America Patent

APP PUB NO 20230303869A1
SERIAL NO

18184887

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Abstract

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An ink discharging device contains an ink containing an organic solvent with an SP value of from 9.0 to 12.0, a white pigment, a polyurethane resin with a glass transition temperature Tg of 0 degrees C. or lower, and water, and an ink discharging unit including a nozzle plate including a liquid repellent layer containing a silicone resin, the ink discharging unit for discharging the ink, wherein the proportion of the organic solvent to the entire of the ink is from 0.5 to 2.5 percent by mass and the proportion of the white pigment to the entire of the ink is from 6 to 15 percent by mass.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTD3-6 NAKAMAGOME 1-CHOME OHTA-KU TOKYO 1438555 ?1438555

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furukawa, Juichi Kanagawa, JP 46 481
Gotou, Hiroshi Kanagawa, JP 116 2193
Kobashi, Toshiyuki Tokyo, JP 43 162
Ozaki, Daisuke Kanagawa, JP 32 65
Tanaka, Ayaka Kanagawa, JP 24 70

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