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:
Oct. 06, 2026
Filed:
Feb. 15, 2024
Riso Technologies Corporation, Tokyo, JP;
Takashi Tozuka, Sunto Shizuoka, JP;
Masato Fukasawa, Fuji Shizuoka, JP;
RISO Technologies Corporation, Tokyo, JP;
Abstract
According to an embodiment, a liquid discharge head includes a base plate having an elongated hole therein. The elongated hole extends lengthwise in a first direction and laterally in a second direction perpendicular to the first direction. A corner portion of the elongated hole that is near an end of the elongated hole in the first direction is rounded or the end is semicircular. A piezoelectric actuator is on the base plate at a position adjacent to the elongated hole in the second direction. The piezoelectric actuator includes a plurality of pressure chambers disposed along the first direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile