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:
Mar. 26, 2013
Filed:
Sep. 04, 2008
Applicants:
Tetsumaru Fujita, Hyogo, JP;
Yuji Nagatomo, Osaka, JP;
Inventors:
Tetsumaru Fujita, Hyogo, JP;
Yuji Nagatomo, Osaka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming apparatus includes a plurality of image carriers, a latent image forming unit, and a plurality of developing units. Each of the developing unit forms an image to have a color difference of equal to or less than about five with respect to an initial unicolor image formed by using a toner not containing a reversely-transferred toner of another color when a toner contained in a toner container is consumed by about 70%.
Fujita, Tetsumaru. (2013). Image forming apparatus, image forming method, and developing device (U.S. Patent No. 8406664). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8406664
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile