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:
Nov. 10, 2026
Filed:
Feb. 06, 2024
Kohsuke Nambara, Kanagawa, JP;
Hideki Hashimoto, Tokyo, JP;
Tatsuya Ozaki, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An image reading apparatus incudes a white reference plate, a reading unit to read the white reference plate; and circuitry to: cause the reading unit to read the white reference plate under a first reading condition before shipment of the image reading apparatus to obtain a first reading value, cause the reading unit to read the white reference plate under a second reading condition same with the first reading condition after replacement of a part of the image reading apparatus after the shipment to obtain a second reading value, and adjust a gray balance coefficient based on the first reading value and the second reading value.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile