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Masataka YAMASHITA
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Tokyo, JP
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last 30 patents
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Patent Application
METHOD FOR RECOVERING VALUABLE MATERIALS FROM LITHIUM ION SECONDARY...
Publication number
20230411719
Publication date
Dec 21, 2023
DOWA ECO-SYSTEM CO., LTD.
Chihiro NISHIKAWA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING VALUABLE SUBSTANCE
Publication number
20230366061
Publication date
Nov 16, 2023
DOWA ECO-SYSTEM CO., LTD.
Chihiro NISHIKAWA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
VALUABLE MATTER RECOVERY METHOD
Publication number
20230318063
Publication date
Oct 5, 2023
DOWA ECO-SYSTEM CO., LTD.
Yoji SUGANUMA
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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Patent Application
METHOD FOR CONCENTRATING VALUABLE METAL CONTAINED IN LITHIUM ION SE...
Publication number
20230119544
Publication date
Apr 20, 2023
DOWA ECO-SYSTEM CO., LTD.
Ryoei WATANABE
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING VALUABLE SUBSTANCE
Publication number
20230107938
Publication date
Apr 6, 2023
DOWA ECO-SYSTEM CO., LTD.
Chihiro NISHIKAWA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR RECOVERING LITHIUM AND METHOD FOR PROCESSING LITHIUM ION...
Publication number
20230104457
Publication date
Apr 6, 2023
DOWA ECO-SYSTEM CO., LTD.
Chihiro NISHIKAWA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...