STAINLESS STEEL SHEET AND METHODS FOR MANUFACTURING THE SAME
Number of patents in Portfolio can not be more than 2000
United States of America
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N/A
Issued Date -
Oct 31, 2024
app pub date -
Dec 9, 2021
filing date -
Dec 9, 2021
priority date (Note) -
Published
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Abstract
A stainless steel sheet has a surface quality in which a core height Sk is 1.50 μm or less, a reduced peak height Spk is 0.20 μm or less, and an areal material ratio Smr2 that separates a reduced dale from a core is 80% or less, where the core height Sk, the reduced peak height Spk, and the areal material ratio Smr2 are as specified in JIS B 0681-2:2018. The stainless steel sheet has a whiteness of 50 or greater and an image clarity of 1% or greater.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
JFE STEEL CORPORATION | 2-3 UCHISAIWAI-CHO 2-CHOME CHIYODA-KU TOKYO 1000011 |
International Classification(s)

- 2021 Application Filing Year
- C21D Class
- 652 Applications Filed
- 173 Patents Issued To-Date
- 26.54 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Nishida, Shuji | Chiyoda-ku, Tokyo, JP | 20 | 166 |
# of filed Patents : 20 Total Citations : 166 | |||
Ta, Ayako | Chiyoda-ku, Tokyo, JP | 10 | 15 |
# of filed Patents : 10 Total Citations : 15 |
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Patent Citation Ranking
- 0 Citation Count
- C21D Class
- 0 % this patent is cited more than
- 1 Age
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