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:
May. 11, 2021
Filed:
Jul. 18, 2019
Applicants:
Hiroshi Gotou, Kanagawa, JP;
Tomohiro Hirade, Kanagawa, JP;
Inventors:
Hiroshi Gotou, Kanagawa, JP;
Tomohiro Hirade, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/21 (2006.01); B41J 2/145 (2006.01); C09D 11/40 (2014.01); C09D 11/322 (2014.01);
U.S. Cl.
CPC ...
B41J 2/2117 (2013.01); B41J 2/145 (2013.01); C09D 11/322 (2013.01); C09D 11/40 (2013.01);
Abstract
A printing method includes discharging a first white ink comprising a first white pigment and a second white ink containing a second white pigment by a discharging head, wherein the following relationship is satisfied: |R−R|≥0.5, where Rrepresents a refractive index of the first white pigment and Rrepresents a refractive index of the second white pigment.