The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 29, 2025
Filed:
Mar. 16, 2023
Daisuke Ozaki, Kanagawa, JP;
Toshiyuki Kobashi, Tokyo, JP;
Hiroshi Gotou, Kanagawa, JP;
Ayaka Tanaka, Kanagawa, JP;
Juichi Furukawa, Kanagawa, JP;
Daisuke Ozaki, Kanagawa, JP;
Toshiyuki Kobashi, Tokyo, JP;
Hiroshi Gotou, Kanagawa, JP;
Ayaka Tanaka, Kanagawa, JP;
Juichi Furukawa, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
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.