Akifumi Harada

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Chiyoda-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-oriented electrical steel sheet and method for manufacturing sl...
- Patent number 12,146,209
- Issue date Nov 19, 2024
- JFE Steel Corporation
- Akifumi Harada
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
MOLTEN STEEL REFINING METHOD
- Publication number 20230340629
- Publication date Oct 26, 2023
- JFE STEEL CORPORATION
- Keisuke MIZOBATA
- C21 - METALLURGY OF IRON
Information Patent Application
DECARBURIZATION REFINING METHOD FOR MOLTEN STEEL UNDER REDUCED PRES...
- Publication number 20230142051
- Publication date May 11, 2023
- JFE STEEL CORPORATION
- Keisuke MIZOBATA
- C21 - METALLURGY OF IRON
Information Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
- Publication number 20220333220
- Publication date Oct 20, 2022
- JFE STEEL CORPORATION
- Yukihiro SHINGAKI
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SL...
- Publication number 20210332463
- Publication date Oct 28, 2021
- JFE STEEL CORPORATION
- Akifumi Harada
- B22 - CASTING POWDER METALLURGY