Yoshio Nakashima

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Tokyo, JP

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Patents Grantslast 30 patents

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Method and apparatus for controlling the atmosphere in a heat treat...
- Patent number 6,106,636
- Issue date Aug 22, 2000
- Dowa Mining Co., Ltd.
- Takeshi Naito
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and apparatus for controlling the atmosphere in heat treatme...
- Patent number 6,051,078
- Issue date Apr 18, 2000
- Dowa Mining Co., Ltd.
- Takeshi Naito
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...