Hideo Takafuji

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-frequency electric resistance welding method using irradiation...
- Patent number 4,649,256
- Issue date Mar 10, 1987
- Nippon Steel Corporation
- Katsuhiro Minamida
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for joining of articles by energy beam and apparatus for con...
- Patent number 4,560,855
- Issue date Dec 24, 1985
- Nippon Steel Corporation
- Hideo Takafuji
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method for joining of articles by energy beam and apparatus for con...
- Patent number 4,471,204
- Issue date Sep 11, 1984
- Nippon Steel Corporation
- Hideo Takafuji
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR