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:
Mar. 17, 2026
Filed:
Nov. 01, 2023
Kazuto Nagahashi, Kanagawa, JP;
Keishi Miwa, Kanagawa, JP;
Toshiaki Masuda, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A liquid discharge head includes: a nozzle plate having multiple nozzles from each of which a liquid is to be discharged, the multiple nozzles arrayed in a longitudinal direction of the nozzle plate; a channel substrate on the nozzle plate in a lamination direction orthogonal to the longitudinal direction, the channel substrate including: multiple channels arrayed in the longitudinal direction in a channel region of the channel substrate, the multiple channels respectively communicating with the multiple nozzles; a first recess outside the channel region in the longitudinal direction; and a flat portion between the channel region and the first recess in the longitudinal direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile