Onahama Seiren Kabushiki Kaisha

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Patents Grantslast 30 patents

Information Patent Grant
Mother blank for producing starting sheets used in electrolytic non...
- Patent number 4,040,937
- Issue date Aug 9, 1977
- Ryozo Iijima
- Ryozo Iijima
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of operating copper ore smelting reverberatory furnace
- Patent number 4,001,013
- Issue date Jan 4, 1977
- Onahama Seiren Kabushiki Kaisha
- Motoo Goto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...