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:
Jul. 13, 2021
Filed:
Feb. 05, 2019
Applicants:
Akihiko Matsuyama, Kanagawa, JP;
Yuuki Yokohama, Kanagawa, JP;
Amika Sagara, Kanagawa, JP;
Masaki Kudo, Kanagawa, JP;
Kazuhiko Umemura, Kanagawa, JP;
Yukihiro Imanaga, Kanagawa, JP;
Mayumi Yoshihara, Kanagawa, JP;
Inventors:
Akihiko Matsuyama, Kanagawa, JP;
Yuuki Yokohama, Kanagawa, JP;
Amika Sagara, Kanagawa, JP;
Masaki Kudo, Kanagawa, JP;
Kazuhiko Umemura, Kanagawa, JP;
Yukihiro Imanaga, Kanagawa, JP;
Mayumi Yoshihara, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/322 (2014.01); C09D 11/38 (2014.01); C09D 11/102 (2014.01); C09D 11/107 (2014.01); C09D 11/12 (2006.01);
U.S. Cl.
CPC ...
C09D 11/322 (2013.01); C09D 11/38 (2013.01);
Abstract
An ink comprises a pigment, a quinacridone derivative represented by the following Chemical formula 1.