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:
Jan. 13, 2026
Filed:
Jul. 13, 2021
Sumitomo Electric Industries, Ltd., Osaka, JP;
A.l.m.t. Corp., Tokyo, JP;
Toru Maeda, Osaka, JP;
Miki Miyanaga, Osaka, JP;
Daisuke Kondo, Osaka, JP;
Masayuki Ito, Yamagata, JP;
Shin-Ichi Yamagata, Toyama, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
A.L.M.T. Corp., Tokyo, JP;
Abstract
A composite material includes a plurality of first layers and a plurality of second layers. The total number of the first and second layers is 5 or more. The first and second layers are stacked alternately in the thickness direction of the composite material, such that the first layer is located at each of the first and second surfaces. The first layers are formed from a metal material containing copper as a main component. The second layer includes a molybdenum plate and a coper filler. The molybdenum plate has first and second faces that are each an end face in the thickness direction, and a plurality of openings extending through the molybdenum plate from the first face to the second face.