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Hot Dip Plated Steel Sheet

Abstract: This hot-dip plated steel sheet comprises a steel sheet and a hot-dip plated layer formed on a surface of the steel sheet, wherein the hot-dip plated layer contains, in terms of average composition, 0.1%-70% by mass of Al and 0.1%-10.0% by mass of Mg; the balance includes Zn and impurities; a pattern part and a non-pattern part that are arranged to form a predetermined shape are formed on at least one surface side of the steel sheet in the hot-dip plated layer; the area ratio of the Mg2Zn11 phase on the surface of the non-pattern part is more than 0%; and the ratio (pattern part/non-pattern part) between the area ratio of the Mg2Zn11 phase on the surface of the pattern part and the area ratio of the Mg2Zn11 phase on the surface of the non-pattern part is in the range of 0 or more and less than 0.90 or in the range of 1.10 or more.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
18 July 2025
Publication Number
33/2025
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application

Applicants

NIPPON STEEL CORPORATION
6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Inventors

1. TOBA Tetsuya
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
2. KAWAMURA Yasuaki
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
3. OBARA Yuki
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
4. HASHIMOTO Shigeru
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
5. UEMURA Shintaro
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
6. NAKAGAWA Jun
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
7. TANAKA Tomohito
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071
8. KOHIGASHI Yusuke
c/o NIPPON STEEL CORPORATION, 6-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 1008071

Specification

Documents

Application Documents

# Name Date
1 202517068677-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [18-07-2025(online)].pdf 2025-07-18
2 202517068677-STATEMENT OF UNDERTAKING (FORM 3) [18-07-2025(online)].pdf 2025-07-18
3 202517068677-REQUEST FOR EXAMINATION (FORM-18) [18-07-2025(online)].pdf 2025-07-18
4 202517068677-PROOF OF RIGHT [18-07-2025(online)].pdf 2025-07-18
5 202517068677-PRIORITY DOCUMENTS [18-07-2025(online)].pdf 2025-07-18
6 202517068677-POWER OF AUTHORITY [18-07-2025(online)].pdf 2025-07-18
7 202517068677-FORM 18 [18-07-2025(online)].pdf 2025-07-18
8 202517068677-FORM 1 [18-07-2025(online)].pdf 2025-07-18
9 202517068677-DRAWINGS [18-07-2025(online)].pdf 2025-07-18
10 202517068677-DECLARATION OF INVENTORSHIP (FORM 5) [18-07-2025(online)].pdf 2025-07-18
11 202517068677-COMPLETE SPECIFICATION [18-07-2025(online)].pdf 2025-07-18