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. 29, 2025
Filed:
Mar. 15, 2023
Seiko Epson Corporation, Tokyo, JP;
Motoki Takabe, Shiojiri, JP;
Yu Shiozawa, Shiojiri, JP;
Masaki Mori, Shiojiri, JP;
Hitoshi Takaai, Azumino, JP;
Eiju Hirai, Azumino, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid discharge device has a liquid discharge head that includes a pressure chamber substrate provided with a first pressure chamber in which a liquid is accommodated, a first piezoelectric body provided to correspond to the first pressure chamber, and a detection resistor for detecting a temperature in a vicinity of the first pressure chamber, and a decision section that decides a degree of deterioration of the first piezoelectric body based on a detection result of the detection resistor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile