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.

Date of Patent:
Nov. 10, 2026

Filed:

Mar. 10, 2021
Applicants:

Panasonic Holdings Corporation, Osaka, JP;

Sanyo Electric Co., Ltd., Osaka, JP;

Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;

Inventors:

Seiji Kumazawa, Hyogo, JP;

Hideki Matsui, Hyogo, JP;

Hiroyuki Tajima, Hyogo, JP;

Sadahiro Hattori, Kanagawa, JP;

Shinji Kojima, Nagoya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 26/0622 (2014.01); B23K 26/082 (2014.01); B23K 26/38 (2014.01); H01M 4/04 (2006.01);
U.S. Cl.
CPC ...
B23K 26/0622 (2015.10); B23K 26/082 (2015.10); B23K 26/38 (2013.01); H01M 4/04 (2013.01);
Abstract

A cutting device includes: a conveyance unit that conveys a continuous body of a plurality of electrode plates; a laser scanning unit that scans the continuous body with laser light; and a control unit that controls the laser scanning unit. The control unit controls a laser scanning unit so as to scan the continuous body while performing intermit irradiation with laser light, thereby forming a plurality of unit cutting sections that are continuous and dividing the continuous body into a first portion and a second portion. The unit cutting sections have a main line section extending along the boundary of the first portion and the second portion, and a bent section that bends and extends from an end of the main line section.


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Kumazawa, Seiji. (2026). Cutting device and cutting method (U.S. Patent No. 12789287). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12789287

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