Hiroshi Yoshida

Follow

Person

Kasukabe, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Magnesium base treating agent of molten iron
- Patent number 4,083,716
- Issue date Apr 11, 1978
- Aikoh Co., Ltd.
- Hiroshi Yoshida
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for the desulfurization of molten iron
- Patent number 4,076,522
- Issue date Feb 28, 1978
- Aikoh Co., Ltd.
- Hiroshi Yoshida
- C21 - METALLURGY OF IRON
Information Patent Grant
Desulfurizing and inoculating agent for molten iron
- Patent number 4,019,897
- Issue date Apr 26, 1977
- Aikoh Co., Ltd.
- Hiroshi Yoshida
- C21 - METALLURGY OF IRON