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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.:

US 12672487 B1

PDFFull Text
Date of Patent:
Jun. 30, 2026

Filed:

Jun. 29, 2022

High-performance piezoelectric device with piezoelectric element

Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Toshiki Hara, Suwa, JP;

Takayuki Yonemura, Suwa, JP;

Jiro Kato, Suwa, JP;

Assignee:

Seiko Epson Corporation, Tokyo, JP;

Attorney:

CHIP LAW GROUP

Primary Examiner:

Emily P Pham

Assistant Examiner:

Monica undefined Mata

Int. Cl.
CPC ...
H01L 41/193 (2006.01); H01L 41/047 (2006.01); H01L 41/45 (2013.01); H10N 30/098 (2023.01); H10N 30/857 (2023.01); H10N 30/87 (2023.01);
U.S. Cl.
CPC ...
H10N 30/857 (2023.02); H10N 30/098 (2023.02); H10N 30/87 (2023.02);
Abstract

A piezoelectric element includes: a piezoelectric body having a first surface and a second surface that are different from each other; a first electrode provided at the first surface; and a second electrode provided at the second surface. The piezoelectric body contains a helical chiral polymer crystal having an orientation axis as a crystal axis, the orientation axis is uniaxially oriented in a manner of intersecting both the first surface and the second surface, and a degree of orientation of the orientation axis in the piezoelectric body is 0.80 or more.

Find Patent Forward Citations

Hara, Toshiki. (2026). High-performance piezoelectric device with piezoelectric element (U.S. Patent No. 12672487). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12672487

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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