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:
Jan. 20, 2026
Filed:
Sep. 14, 2023
Keishi Miwa, Kanagawa, JP;
Takuma Hirabayashi, Tokyo, JP;
Keishi Miwa, Kanagawa, JP;
Takuma Hirabayashi, Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes: a nozzle plate having multiple nozzles; a diaphragm facing an inner face of the nozzle plate; multiple individual chambers between the nozzle plate and the diaphragm, the multiple individual chambers respectively communicating with the multiple nozzles; multiple actuators on a first face of the diaphragm opposite to a second face of the diaphragm facing the multiple individual chambers, the multiple actuators to deform the diaphragm to discharges a liquid in the multiple individual chambers from the multiple nozzles, respectively; a holder facing the multiple actuators and the diaphragm and joined to a peripheral portion of the diaphragm; a first joint at a first position around a periphery of the holder and joining the diaphragm and the holder; and multiple second joints joining the diaphragm and the holder at multiple second positions inside the first position, respectively.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile