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.

Date of Patent:
Jun. 06, 2006

Filed:

Dec. 03, 2004
Applicant:

Akiko Konishi, Tokyo, JP;

Inventor:

Akiko Konishi, Tokyo, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
Abstract

A recording ink, includes: a coloring agent; a surfactant; a penetrant; and a defoaming agent. The recording ink includes 3.0×10(quantity/5 μl) or less coarse particles each having a particle diameter of 0.5 μm or more, and an amount of a particle having a particle diameter of from 1 μm to under 5 μm in the coarse particles is 1% by number or less.


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