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. 17, 2026
Filed:
Mar. 11, 2024
Takaya Hanada, Kanagawa, JP;
Takaya Hanada, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes: a nozzle plate having: a first nozzle; and a second nozzle, from each of which a liquid is dischargeable from a first face of the nozzle plate; a channel communicating with each of the first nozzle and the second nozzle, the channel on a second face opposite to the first face of the nozzle plate; multiple cylindrical protrusions having: a first cylindrical protrusion around the first nozzle and protruding continuously from an inner wall face of the first nozzle toward the channel, the first cylindrical protrusion having a first outer diameter; and a second cylindrical protrusion around the second nozzle and protruding continuously from an inner wall face of the second nozzle toward the channel, the second cylindrical protrusion having a second outer diameter larger than the first outer diameter of the first cylindrical protrusion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile