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:
Dec. 17, 2019
Filed:
Jul. 13, 2018
Ichiroh Fujii, Kanagawa, JP;
Hisashi Habashi, Kanagawa, JP;
Ichiroh Fujii, Kanagawa, JP;
Hisashi Habashi, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
Provided is an inkjet printing apparatus, satisfying elements (1) through (4) below, (1) the inkjet printing apparatus including an ink discharging unit configured to discharge an ink, (2) the ink discharging unit including an inkjet head having a nozzle diameter of 17 μm or greater but 19 μm or less, (3) the inkjet head including a nozzle plate and an ink repellent layer disposed on a surface of the nozzle plate, and (4) the inkjet printing apparatus using, as the ink, an aqueous dye ink including a water-soluble dye and having a viscosity of 5 mPa·s or greater but 12 mPa·s or less at 25° C.