Satoshi Igi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steel pipe, steel pipe structure, method of manufacturing steel pip...
- Patent number 10,189,065
- Issue date Jan 29, 2019
- JFE Steel Corporation
- Hisakazu Tajika
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circumferential welded joint of line pipe, method of forming circum...
- Patent number 9,833,856
- Issue date Dec 5, 2017
- JFE Steel Corporation
- Takahiro Sakimoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
UOE steel pipe and structure
- Patent number 9,205,475
- Issue date Dec 8, 2015
- JFE Steel Corporation
- Hisakazu Tajika
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF EVALUATING DEFORMABILITY OF STEEL PIPE AND METHOD OF MANU...
- Publication number 20200080840
- Publication date Mar 12, 2020
- JFE STEEL CORPORATION
- Hisakazu Tajika
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STEEL PIPE, STEEL PIPE STRUCTURE, METHOD OF MANUFACTURING STEEL PIP...
- Publication number 20180104731
- Publication date Apr 19, 2018
- JFE STEEL CORPORATION
- Hisakazu Tajika
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
CIRCUMFERENTIAL WELDED JOINT OF LINE PIPE, METHOD OF FORMING CIRCUM...
- Publication number 20150328708
- Publication date Nov 19, 2015
- JFE STEEL CORPORATION
- Takahiro SAKIMOTO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
UOE STEEL PIPE AND STRUCTURE
- Publication number 20150090361
- Publication date Apr 2, 2015
- Hisakazu Tajika
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...