Hideto KAWANO

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Patents Grantslast 30 patents

Information Patent Grant
As-rolled type K55 electric resistance welded oil well pipe and hot...
- Patent number 10,738,371
- Issue date Aug 11, 2020
- Nippon Steel Corporation
- Tetsuo Ishitsuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
High strength electric resistance welded steel pipe and method for...
- Patent number 10,640,843
- Issue date May 5, 2020
- Nippon Steel Corporation
- Tetsuo Ishitsuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
AS-ROLLED TYPE K55 ELECTRIC RESISTANCE WELDED OIL WELL PIPE AND HOT...
- Publication number 20180298475
- Publication date Oct 18, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tetsuo ISHITSUKA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HIGH STRENGTH ELECTRIC RESISTANCE WELDED STEEL PIPE, METHOD FOR PRO...
- Publication number 20180105893
- Publication date Apr 19, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Tetsuo ISHITSUKA
- C21 - METALLURGY OF IRON