Ryosuke Tachi

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Chiyoda-ku, Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for quenching steel pipe, equipment for quenching steel pipe...
- Patent number 11,441,203
- Issue date Sep 13, 2022
- JFE Steel Corporation
- Hiroyuki Fukuda
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
SEAMLESS STEEL PIPE AND METHOD OF MANUFACTURE THEREOF
- Publication number 20230265947
- Publication date Aug 24, 2023
- JFE STEEL CORPORATION
- Shunsuke SASAKI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHOD FOR QUENCHING STEEL PIPE, EQUIPMENT FOR QUENCHING STEEL PIPE...
- Publication number 20210087643
- Publication date Mar 25, 2021
- JFE STEEL CORPORATION
- Hiroyuki Fukuda
- C21 - METALLURGY OF IRON