Yoshiko NAKAHARA

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Patents Grantslast 30 patents

Information Patent Grant
Hot press member, production method for steel sheet for hot press,...
- Patent number 12,163,202
- Issue date Dec 10, 2024
- JFE Steel Corporation
- Yoshie Obata
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
COATING MATERIAL FOR USE IN DIRECT-REDUCTION IRON PRODUCTION, AND P...
- Publication number 20250179595
- Publication date Jun 5, 2025
- JFE STEEL CORPORATION
- Yoshiko NAKAHARA
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF REDUCING IRON ORE POWDER
- Publication number 20250163525
- Publication date May 22, 2025
- JFE STEEL CORPORATION
- Yoshiko NAKAHARA
- C21 - METALLURGY OF IRON
Information Patent Application
HOT PRESS MEMBER, PRODUCTION METHOD FOR STEEL SHEET FOR HOT PRESS,...
- Publication number 20220177992
- Publication date Jun 9, 2022
- JFE STEEL CORPORATION
- Yoshie OBATA
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...