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:
Aug. 13, 2024

Filed:

Nov. 10, 2020
Applicants:

Kao Corporation, Tokyo, JP;

Okamoto Corporation, Nara, JP;

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

Inventors:

Kenji Ishiguro, Tochigi, JP;

Yutaka Murai, Tochigi, JP;

Kouichi Hosoya, Tochigi, JP;

Osamu Onishi, Nara, JP;

Daiji Tamakura, Nagaokakyo, JP;

Takafumi Inoue, Nagaokakyo, JP;

Masayuki Tsuji, Nagaokakyo, JP;

Kenichiro Takumi, Nagaokakyo, JP;

Assignees:

KAO CORPORATION, Tokyo, JP;

OKAMOTO CORPORATION, Nara, JP;

MURATA MANUFACTURING CO., LTD, Nagaokakyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10N 30/00 (2023.01); D03D 1/00 (2006.01); H02N 2/18 (2006.01); H10N 30/857 (2023.01);
U.S. Cl.
CPC ...
H10N 30/1061 (2023.02); D03D 1/0088 (2013.01); H02N 2/18 (2013.01); H10N 30/857 (2023.02); D10B 2401/16 (2013.01); Y10T 29/42 (2015.01);
Abstract

A piezoelectric fiber composite that includes a substrate having a first expansion and contraction rate, a piezoelectric fiber assembly having piezoelectric fibers that generate electrical charges upon application of external energy and has a second expansion and contraction rate different from the first expansion and contraction rate of the substrate, and a joint portion that joins the substrate and the piezoelectric fiber assembly.


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