Kohei FUNAHARA

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Hitachi-shi, lbaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Friction stir welding apparatus and friction stir welding method
- Patent number 11,897,048
- Issue date Feb 13, 2024
- Hitachi Power Solutions Co., Ltd.
- Koichi Ishiguro
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding apparatus and friction stir welding method
- Patent number 11,794,273
- Issue date Oct 24, 2023
- Hitachi Power Solutions Co., Ltd.
- Tomio Odakura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Friction stir welding apparatus and friction stir welding method
- Patent number 11,285,562
- Issue date Mar 29, 2022
- Hitachi Power Solutions Co., Ltd.
- Tomio Odakura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Friction Stir Welding Apparatus and Friction Stir Welding Method
- Publication number 20220126394
- Publication date Apr 28, 2022
- Hitachi Power Solutions Co., Ltd.
- Koichi ISHIGURO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction Stir Welding Apparatus
- Publication number 20210316390
- Publication date Oct 14, 2021
- Koichi ISHIGURO
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
FRICTION STIR WELDING APPARATUS AND FRICTION STIR WELDING METHOD
- Publication number 20210138576
- Publication date May 13, 2021
- Hitachi Power Solutions Co., Ltd.
- Tomio ODAKURA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Friction Stir Welding Apparatus and Friction Stir Welding Method
- Publication number 20210086293
- Publication date Mar 25, 2021
- Hitachi Power Solutions Co., Ltd.
- Tomio ODAKURA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR