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. 01, 2026

Filed:

Oct. 27, 2022
Applicant:

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

Inventors:

Masayoshi Takagi, Nagaokakyo, JP;

Daiji Tamakura, Nagaokakyo, JP;

Kenichiro Takumi, Nagaokakyo, JP;

Ryosuke Ebina, Osaka, JP;

Koji Takeshita, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A41D 13/11 (2006.01); A61L 9/22 (2006.01);
U.S. Cl.
CPC ...
A41D 13/1161 (2013.01); A61L 9/22 (2013.01); A41D 2500/20 (2013.01); A61L 2209/14 (2013.01);
Abstract

A mask for covering at least a nostril and a mouth of a wearer. The mask includes a main body portion and an ear hooking portion attached to the main body portion. At least a part of the main body portion has a sheet-like piezoelectric portion, and the piezoelectric portion includes a yarn formed of an electric field forming filament.


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