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. 23, 2025
Filed:
Mar. 04, 2022
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Shinji Kondou, Kanagawa Ken, JP;
Kazuya Yamasaki, Kyoto Fu, JP;
Takashi Kawasaki, Osaka Fu, JP;
Koji Yokoyama, Miyagi Ken, JP;
Hitoshi Ishimoto, Hyogo Ken, JP;
Yoshihisa Nagasaki, Osaka Fu, JP;
Yuji Miyachi, Saga Ken, JP;
Abstract
An electrolytic capacitor includes an anode body, a dielectric layer that covers the anode body, a first solid electrolyte layer that covers the dielectric layer, and a second solid electrolyte layer that covers the first solid electrolyte layer. The first solid electrolyte layer contains a first conductive polymer that includes polypyrrole as a basic skeleton. The second solid electrolyte layer contains a second conductive polymer that includes polythiophene as a basic skeleton. The second solid electrolyte layer has a thickness of 1 μm or more.