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last 30 patents
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Patent Grant
Notching equipment for steel strip, method of notching steel strip,...
Patent number
11,065,658
Issue date
Jul 20, 2021
JFE Steel Corporation
Yukihiro Matsubara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
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Patent Application
STEEL STRIP NOTCHING METHOD, COLD ROLLING METHOD, AND METHOD FOR PR...
Publication number
20230037579
Publication date
Feb 9, 2023
JFE STEEL CORPORATION
Yuu NAGAI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
NOTCHING EQUIPMENT FOR STEEL STRIP, METHOD OF NOTCHING STEEL STRIP,...
Publication number
20200030862
Publication date
Jan 30, 2020
JFE STEEL CORPORATION
Yukihiro MATSUBARA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...