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:
Jun. 30, 2026
Filed:
Mar. 11, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Yuuichirou Hatano, Kanagawa, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A liquid discharge head substrate including a substrate, electrothermal convertors arranged on a surface of the substrate along a first direction, temperature detectors arranged along the first direction, liquid supply ports arranged along the first direction and a structure including wiring layer in an insulator arranged between the surface and the temperature detectors is provided. A wiring pattern arranged in the wiring layer which is nearest to the temperature detectors is provided with opening portions arranged along the first direction so as to be adjacent to the temperature detectors. The opening portions include first openings and second openings, each of the liquid supply ports passes through a corresponding one of the first openings, and the second openings are embedded with part of the insulator and are arranged at least two ends of an array of the opening portions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile