Koichiro HIRATA

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Chiyoda-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Operation method of ladle refining treatment
- Patent number 12,172,208
- Issue date Dec 24, 2024
- JFE Steel Corporation
- Kazuaki Hirakawa
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
OPERATION METHOD OF LADLE REFINING TREATMENT
- Publication number 20230012857
- Publication date Jan 19, 2023
- JFE STEEL CORPORATION
- Kazuaki HIRAKAWA
- B22 - CASTING POWDER METALLURGY