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:
Oct. 13, 2015
Filed:
Aug. 30, 2012
Shinsuke Yoshitake, Kyoto, JP;
Satoshi Murakami, Kyoto, JP;
Tomonori Kishimoto, Kyoto, JP;
GS YUASA INTERNATIONAL LTD., Kyoto-Shi, Kyoto, JP;
Abstract
An electric storage device, including: an electrode assembly having at least one protrusion portion, the protrusion portion being formed of an end portion of any one of a positive electrode foil and a negative electrode foil and protruding in a laminated state from a side end of the other electrode foil of the both electrode foils; a current collector having a contact portion in contact with the protrusion portion; and a metal material that joins the protrusion portion by interposing the protrusion portion between the contact portion of the current collector and the metal material, wherein at least an end region in one direction along the opposing face is displaced in a direction away from the contact portion of the current collector than a central region of the opposing face is.