Michio Hiraoka

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Hetero-macrocyclic compound coated on the surface of solid
- Patent number 4,142,020
- Issue date Feb 27, 1979
- Nippon Soda Company, Ltd.
- Hiromichi Okamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...