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:
Feb. 24, 2026
Filed:
Nov. 14, 2023
Takuma Hirabayashi, Tokyo, JP;
Toshiaki Masuda, Kanagawa, JP;
Takuma Hirabayashi, Tokyo, JP;
Toshiaki Masuda, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes: a nozzle through which a liquid is to be discharged; an individual chamber in communication with the nozzle; a pressure generator to generate pressure in the individual chamber; and a damper member including: a damper having flexibility; and a damper frame supporting the damper, the damper frame having: a damper region having a cavity facing the damper; a through hole at one side of the damper region in a longitudinal direction of the damper member; a first communication path connecting the through hole and one circumferential end of the damper member in the longitudinal direction; and a second communication path connecting the through hole and one side of the cavity of the damper region in the longitudinal direction, the second communication path is shifted from the first communication path in a transverse direction orthogonal to the longitudinal direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile