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:
Jul. 07, 2026
Filed:
Dec. 12, 2023
Yukimasa Matsuda, Kanagawa, JP;
Keishi Miwa, Kanagawa, JP;
Yu Watanabe, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A liquid discharge head includes a chamber substrate, a nozzle substrate, a damper, and a frame substrate. The chamber substrate includes a pressure chamber and a pressure generator to change a volume of the pressure chamber. The chamber substrate has a first face and a second face opposite to the first face. The nozzle substrate is disposed on the first face in a lamination direction. The nozzle substrate has a nozzle communicating with the pressure chamber. The damper is disposed on the second face in the lamination direction. The frame substrate is disposed over the damper in the lamination direction. The chamber substrate has a first area in an in-plane direction of the chamber substrate. The nozzle substrate has a second area smaller than the first area in the in-plane direction. The frame substrate has a third area larger than the first area in the in-plane direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile