Daiichi Koshuha Kogyo Kabushiki Kaisha

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Tokyo, JP

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Patents Grantslast 30 patents

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Induction heating method and apparatus for relieving residual stres...
- Patent number 4,694,131
- Issue date Sep 15, 1987
- Daiichi Koshuha Kogyo Kabushiki Kaisha
- Toshio Ino
- C21 - METALLURGY OF IRON
Information Patent Grant
Induction heating method and apparatus for relieving residual stres...
- Patent number 4,687,894
- Issue date Aug 18, 1987
- Daiichi Koshuha Kogyo Kabushiki Kaisha
- Tadao Koga
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for bending elongated materials
- Patent number 4,195,506
- Issue date Apr 1, 1980
- Daiichi Koshuha Kogyo Kabushiki Kaisha
- Shunpei Kawanami
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for locally solution-treating stainless material
- Patent number 4,168,190
- Issue date Sep 18, 1979
- Daiichi Koshuha Kogyo Kabushiki Kaisha
- Toshiyuki Eguchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Bending method and apparatus with slidable clamp
- Patent number 4,098,106
- Issue date Jul 4, 1978
- Daiichi Koshuha Kogyo Kabushiki Kaisha
- Jousuke Yamaguchi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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