Yukio Kai

Follow

Person

Narashino, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Filter medium for molten metals
- Patent number 5,998,322
- Issue date Dec 7, 1999
- Mitsui Mining & Smelting Co., Ltd.
- Kazutomo Hoshino
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Filter for the filtration of molten aluminum
- Patent number 5,667,685
- Issue date Sep 16, 1997
- Mitsui Mining & Smelting Co., Ltd.
- Tadahiro Yoshida
- B22 - CASTING POWDER METALLURGY