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. 17, 2022
Filed:
Feb. 18, 2020
Applicant:
Eiichi Mori, Tokyo, JP;
Inventor:
Eiichi Mori, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 11/00 (2006.01); B41J 2/21 (2006.01); G01N 21/359 (2014.01); B41J 2/045 (2006.01); B41J 29/393 (2006.01);
U.S. Cl.
CPC ...
G01N 21/359 (2013.01); B41J 2/04558 (2013.01); B41J 2/2107 (2013.01); B41J 11/002 (2013.01); B41J 11/00212 (2021.01); B41J 29/393 (2013.01);
Abstract
A method includes irradiating printed matter, on which an ink containing a solvent is adhered, with light including a near infrared of a predetermined wavelength range, and measuring a spectrum, and determining a quantity of solvent content contained in the printed matter using a pre-created calibration curve model and the spectrum.