Sumito Metal Industries, Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Hydroforming method and mold used for the hydroforming method
- Patent number 7,464,571
- Issue date Dec 16, 2008
- Sumito Metal Industries, Ltd.
- Mitsutoshi Uchida
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for the prevention of slaking of dolomite bricks
- Patent number 4,157,621
- Issue date Jun 12, 1979
- Shinagana Refractories Co. Ltd.
- Sadame Asano
- C21 - METALLURGY OF IRON