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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.:

US 12534631 B1

PDFFull Text
Date of Patent:
Jan. 27, 2026

Filed:

Mar. 25, 2022

Pre-coated metal sheet

Applicant:

Nippon Steel Corporation, Tokyo, JP;

Inventors:

Akiko Hirai, Tokyo, JP;

Kunihiko Toshin, Tokyo, JP;

Yasuaki Kawamura, Tokyo, JP;

Assignee:

NIPPON STEEL CORPORATION, Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Daniel J Schleis

Int. Cl.
CPC ...
C09D 5/00 (2006.01); C09D 7/61 (2018.01); C09D 7/65 (2018.01); C09D 133/06 (2006.01); C09D 167/00 (2006.01); C23C 2/06 (2006.01); C23C 2/40 (2006.01);
U.S. Cl.
CPC ...
C09D 7/65 (2018.01); C09D 5/00 (2013.01); C09D 7/61 (2018.01); C09D 133/06 (2013.01); C09D 167/00 (2013.01); C23C 2/06 (2013.01); C23C 2/40 (2013.01);
Abstract

In order to achieve further improvement in flaw resistance, the present invention includes: a metal sheet; and a color film layer positioned on the metal sheet, wherein: on a surface, of the metal sheet, on a side on which at least the color film layer is positioned, a first region and a second region that are specified by a measuring method of an arithmetic mean surface roughness Sa are present; and the color film layer has a thickness of 1 to 10 μm, and contains particles having a particle diameter equal to or larger than the thickness.

Find Patent Forward Citations

Hirai, Akiko. (2026). Pre-coated metal sheet (U.S. Patent No. 12534631). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12534631

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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