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:
May. 14, 2024
Filed:
Mar. 16, 2022
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Kazuaki Shibata, Kanagawa, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1628 (2013.01); B41J 2/164 (2013.01);
Abstract
A method for producing a liquid-ejection head substrate includes forming a protective film covering the surface of a portion of a cavitation resistant film provided at a position where the heating resistor is covered with a metallic material containing at least one of titanium, tungsten, and titanium tungsten and etching the substrate after forming the protective film.
Shibata, Kazuaki. (2024). Method for producing liquid-ejection head substrate (U.S. Patent No. 11981137). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11981137
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile