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. 24, 2013
Filed:
Apr. 08, 2010
Applicants:
Minoru Hakiri, Shizuoka, JP;
Mitsuru Naruse, Shizuoka, JP;
Hiroyuki Fushimi, Shizuoka, JP;
Shinn Hasegawa, Shizuoka, JP;
Inventors:
Minoru Hakiri, Shizuoka, JP;
Mitsuru Naruse, Shizuoka, JP;
Hiroyuki Fushimi, Shizuoka, JP;
Shinn Hasegawa, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an inkjet pigment dispersion liquid including a carbon black, a dispersant, and water, wherein the total number of coarse particles having a particle diameter of 0.5 μm or greater contained in the inkjet pigment dispersion liquid is 1,000,000/5 μL or less, and provides an inkjet ink using the inkjet pigment dispersion liquid.