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:
Jun. 30, 2026
Filed:
Mar. 06, 2023
Panasonic Intellectual Property Management Co., Ltd., Kadoma, JP;
Yasushi Taniguchi, Osaka, JP;
Kazutaka Nishikawa, Nara, JP;
Masahiro Nakajo, Osaka, JP;
Masanori Kuroda, Osaka, JP;
Abstract
A first pressure bonding rollerand a second pressure bonding rollerhave a cylindrical shape. A first metal foiland a second metal foilare inserted between the first pressure bonding rollerand the second pressure bonding roller. The first metal foiland the second metal foilare pressure bonded by a rotation of the first pressure bonding rollerand the second pressure bonding roller. The first pressure bonding rollerincludes a D-cut surface at least in a portion of the cylindrical shape. A protrusion is provided in each of two boundaries between a side surface and the D-cut surface of the cylindrical shape in the first pressure bonding roller
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile