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:
Dec. 01, 2020

Filed:

Mar. 08, 2020
Applicant:

Oki Data Corporation, Tokyo, JP;

Inventors:

Hirofumi Nakajima, Tokyo, JP;

Yasuhiro Suda, Tokyo, JP;

Assignee:

Oki Data Corporatio, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0849 (2013.01);
Abstract

An image formation apparatus according to one or more embodiment may include: image formation parts each including a developer image development part, a developer container that accommodates a developer, and a deteriorated developer container that accommodates a deteriorated developer discharged from the developer image development part; a collection part that collects a value based on a history of printing rates of each of the image formation parts; a printing rate calculator that calculates a printing rate of a received print data; and an image formation part selector that selects, based on the value based on the history of printing rates of each of the image formation parts collected by the collection part and the printing rate of the received printed data calculated by the printing rate calculator, one of the image formation parts, to be used for performing printing of the received print data.


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