Yoshishige Tsumura

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for refinement of impure aluminum
- Patent number 4,430,174
- Issue date Feb 7, 1984
- Mitsui Aluminium Co., Ltd.
- Yoshishige Tsumura
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Demagging process for aluminum alloy without air pollution
- Patent number 4,183,745
- Issue date Jan 15, 1980
- Yoshishige Tsumura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for production of aluminum
- Patent number 4,159,928
- Issue date Jul 3, 1979
- Mitsui Aluminium Co., Ltd.
- Yoshishige Tsumura
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for production of aluminum
- Patent number 4,108,741
- Issue date Aug 22, 1978
- Mitsui Aluminum Co., Ltd.
- Yoshishige Tsumura
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR