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:
Sep. 30, 2025
Filed:
May. 24, 2023
Yuzuru Kuramochi, Kanagawa, JP;
Yuzuru Kuramochi, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A head unit includes a liquid discharge head and circuitry. The liquid discharge head includes a nozzle plate having a nozzle, a liquid chamber to store a liquid to be discharged from the nozzle, a valve body in the liquid chamber, a valve body coupler coupled to the valve body, and a driver to drive the valve body coupler to move the valve body. The valve body is movable between a contact position at which the valve body contacts the nozzle plate to close the nozzle and a separated position at which the valve body is separated from the nozzle plate to open the nozzle. The circuitry moves the valve body between the contact position and the separated position to open and close the nozzle in a first operation, and applies vibration to the valve body while the valve body is temporarily held at the separated position in a second operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile