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.:
Date of Patent:
Sep. 09, 2025
Filed:
Oct. 16, 2019
Applicant:
Daikin Industries, Ltd., Osaka, JP;
Inventors:
Tetsuhiro Kodani, Osaka, JP;
Saori Sakami, Osaka, JP;
Shinya Bitou, Osaka, JP;
Takashi Kanemura, Osaka, JP;
Akinari Sugiyama, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/45 (2013.01); H01L 41/193 (2006.01); H01L 41/257 (2013.01); H10N 30/045 (2023.01); H10N 30/098 (2023.01); H10N 30/857 (2023.01);
U.S. Cl.
CPC ...
H10N 30/857 (2023.02); H10N 30/045 (2023.02); H10N 30/098 (2023.02);
Abstract
An object is to provide a piezoelectric film with good piezoelectricity. This object can be achieved by a piezoelectric film comprising a vinylidene fluoride/tetrafluoroethylene copolymer film and having a residual polarization amount of 40 mC/mor more.
Kodani, Tetsuhiro. (2025). Piezoelectric film having a vinylidenefluoride/tetrafluoroethylene copolymer film (U.S. Patent No. 12414475). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12414475
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile