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:
Dec. 23, 2025

Filed:

Apr. 21, 2023
Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo, JP;

Inventor:

Yasumasa Taniguchi, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/205 (2006.01); H03H 9/02 (2006.01); H03H 9/145 (2006.01); H03H 9/54 (2006.01); H03H 9/64 (2006.01);
U.S. Cl.
CPC ...
H03H 9/205 (2013.01); H03H 9/02015 (2013.01); H03H 9/14541 (2013.01); H03H 9/54 (2013.01); H03H 9/6483 (2013.01);
Abstract

A filter device includes resonators including at least one series arm resonator and at least one parallel arm resonator. The resonators include a parallel arm resonator defining and functioning as a first resonator with a largest fractional bandwidth among the resonators, and at least one second resonator. The filter device includes an inductor connected in series to the first resonator.


Find Patent Forward Citations

Taniguchi, Yasumasa. (2025). Filter device (U.S. Patent No. 12506463). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12506463

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

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