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:
Nov. 04, 2025
Filed:
Apr. 12, 2022
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Shinji Kondou, Kanagawa, JP;
Kazuya Yamasaki, Kyoto, JP;
Takashi Kawasaki, Osaka, JP;
Koji Yokoyama, Miyagi, JP;
Hitoshi Ishimoto, Hyogo, JP;
Yoshihisa Nagasaki, Osaka, JP;
Yuji Miyachi, Saga, JP;
Abstract
An electrolytic capacitor includes an anode body, a dielectric layer covering the anode body, a first solid electrolyte layer covering the dielectric layer, and a second solid electrolyte layer covering the first solid electrolyte layer. The first solid electrolyte layer contains a first conductive polymer including polythiophene as a basic skeleton. The second solid electrolyte layer contains a second conductive polymer including polypyrrole as a basic skeleton. A conductivity of the first solid electrolyte layer is less than or equal to 2 S/cm.