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:
Mar. 06, 2018
Filed:
Dec. 22, 2014
Hitachi Chemical Company, Ltd., Tokyo, JP;
Atsushi Sakurai, Tokyo, JP;
Takafumi Masui, Tokyo, JP;
Masaaki Sekiya, Tokyo, JP;
Noritaka Eguchi, Tokyo, JP;
Yoshimi Wakamatsu, Tokyo, JP;
HITACHI CHEMICAL COMPANY, LTD., Tokyo, JP;
Abstract
Provided herein is a capacitor in which an electrolyte is infiltrated into a wound electrode group faster than conventionally. A negative current collecting memberhas one slitformed to extend across a protruded portionand a negative current collecting member body (first welding portion)and to penetrate the protruded portionand the negative current collecting member bodyin a thickness direction. The slitpasses through the center of the protruded portion, and extends entirely across the protruded portionsuch that both ends of the slitreach the negative current collecting member body