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. 03, 2024
Filed:
Oct. 30, 2019
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Mitsuhisa Yoshimura, Osaka, JP;
Shosuke Nakano, Osaka, JP;
Hiroshi Yoshida, Kyoto, JP;
Masami Tsubaki, Kyoto, JP;
Naomi Kurihara, Osaka, JP;
Miwa Ogawa, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/055 (2006.01); H01G 9/00 (2006.01); H01G 9/145 (2006.01);
U.S. Cl.
CPC ...
H01G 9/055 (2013.01); H01G 9/0032 (2013.01); H01G 9/145 (2013.01);
Abstract
An electrode foil for an electrolytic capacitor including a metal porous portion, and a metal core portion continuous to the metal porous portion. When the metal porous portion is equally divided in three in a thickness direction of the metal porous portion into a first region, a second region, and a third region sequentially from the metal core portion side, the first region has a porosity P1, the second region has a porosity P2, and the third region has a porosity P3, satisfying P1<P2<P3.