Renpei Sei

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing titanium oxide
- Patent number 5,061,460
- Issue date Oct 29, 1991
- Solex Research Corporation of Japan
- Morio Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for neutralizing sulfuric acid containing zinc ion
- Patent number 4,992,248
- Issue date Feb 12, 1991
- Solex Corporation of Japan
- Morio Watanabe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for neutralization treatment of sulfuric acid containing iro...
- Patent number 4,952,378
- Issue date Aug 28, 1990
- Solex Research Corporation of Japan
- Morio Watanabe
- C01 - INORGANIC CHEMISTRY