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Yoko SUEYASU
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Chiyoda-ku, Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Hot forged steel material
Patent number
11,261,511
Issue date
Mar 1, 2022
Nippon Steel Corporation
Yoko Sueyasu
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
CRANKSHAFT AND METHOD OF MANUFACTURING THE SAME
Publication number
20240044358
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Tatsuhiko ABE
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHAFT COMPONENT
Publication number
20220177991
Publication date
Jun 9, 2022
NIPPON STEEL CORPORATION
Kison NISHIHARA
C21 - METALLURGY OF IRON
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Patent Application
HOT FORGED STEEL MATERIAL
Publication number
20210189532
Publication date
Jun 24, 2021
NIPPON STEEL CORPORATION
Yoko SUEYASU
C21 - METALLURGY OF IRON