Yoichi Naganuma

Follow

Person

Kitakyushu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for detecting level of molten metal
- Patent number 5,103,893
- Issue date Apr 14, 1992
- Nippon Steel Corporation
- Yoichi Naganuma
- B22 - CASTING POWDER METALLURGY