Kiyomi Yamaguchi

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Kosaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of treating electrolytic solution of copper for purification...
- Patent number 4,404,071
- Issue date Sep 13, 1983
- Dowa Mining Co., Ltd.
- Hideki Abe
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of removing mercury-containing contaminations in gases
- Patent number 4,206,183
- Issue date Jun 3, 1980
- Dowa Mining Co., Ltd.
- Minoru Yamada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL