Nobuaki Okajima

Follow

Person

Oita-Shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for recovering rhodium and silver from hydrochloric acid
- Patent number 7,563,420
- Issue date Jul 21, 2009
- Nippon Mining & Metals Co., Ltd.
- Shoujirou Usui
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method for recovering RH
- Publication number 20070248513
- Publication date Oct 25, 2007
- Nippon Mining & Metals Co., Ltd.
- Shoujirou Usui
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...