Kouichi Hatakeyama

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Hachioji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copper-based electric and electronic parts having high strength and...
- Patent number 5,205,878
- Issue date Apr 27, 1993
- Dowa Mining Co., Ltd.
- Toshihiro Kanzaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing copper-based alloys having high strength and...
- Patent number 5,147,469
- Issue date Sep 15, 1992
- Dowa Mining Co. Ltd.
- Toshihiro Kanzaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...