Tomoaki Sera

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Nishinomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing tool steels
- Patent number 6,478,898
- Issue date Nov 12, 2002
- Sumitomo Metal Industries, Ltd.
- Tomoaki Sera
- C21 - METALLURGY OF IRON
Information Patent Grant
Casting components made from a tool steel
- Patent number 6,479,013
- Issue date Nov 12, 2002
- Sumitomo Metal Industries, Ltd.
- Tomoaki Sera
- C21 - METALLURGY OF IRON