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.

Date of Patent:
Sep. 15, 2026

Filed:

May. 24, 2021
Applicants:

Xiamen Sanan Integrated Circuit Co., Ltd., Xiamen, CN;

Sanan Japan Technology Corporation, Tokyo, JP;

Fujian Jing'an Optoelectronics Co., Ltd., Quanzhou, CN;

Inventors:

Yoshiaki Takaoka, Tokyo, JP;

Ming-Hui Fang, Xiamen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/00 (2006.01); H03H 9/02 (2006.01); H03H 9/25 (2006.01);
U.S. Cl.
CPC ...
H03H 9/02834 (2013.01); H03H 9/02543 (2013.01); H03H 9/02614 (2013.01); H03H 9/25 (2013.01);
Abstract

A surface acoustic wave device includes a substrate that has a top surface and that contains a plurality of protrusions protruding from the top surface and spaced apart from each other, an intermediate layer disposed on the substrate so as to fill a recess formed among the protrusions, a piezoelectric layer disposed on the intermediate layer opposite to the substrate, and an electrode layer disposed on the piezoelectric layer opposite to the intermediate layer.


Find Patent Forward Citations

Takaoka, Yoshiaki. (2026). Surface acoustic wave device (U.S. Patent No. 12738920). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12738920

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

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