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Hiroto WATANABE
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Niihama-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for manufacturing sulfuric acid solution and electrolyzer us...
Patent number
11,781,228
Issue date
Oct 10, 2023
Sumitomo Metal Mining Co., Ltd.
Hiroto Watanabe
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
PRODUCTION METHOD FOR COBALT SULFATE
Publication number
20240228320
Publication date
Jul 11, 2024
Sumitomo Metal Mining Co., Ltd.
Hideki OHARA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PRODUCTION METHOD FOR COBALT SULFATE
Publication number
20230183091
Publication date
Jun 15, 2023
Sumitomo Metal Mining Co., Ltd.
Hiroto WATANABE
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR MANUFACTURING NICKEL AND COBALT-CONTAINING SOLUTION FROM...
Publication number
20220154308
Publication date
May 19, 2022
Sumitomo Metal Mining Co., Ltd.
Hideki Ohara
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD FOR MANUFACTURING SULFURIC ACID SOLUTION AND ELECTROLYZER US...
Publication number
20210230755
Publication date
Jul 29, 2021
Sumitomo Metal Mining Co., Ltd.
Hiroto WATANABE
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
METAL ELECTRODEPOSITION CATHODE PLATE AND PRODUCTION METHOD THEREFOR
Publication number
20190233960
Publication date
Aug 1, 2019
Sumitomo Metal Mining Co., Ltd.
Hiroto Watanabe
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
REACTIVE SPUTTERING METHOD AND METHOD FOR PRODUCING LAMINATE FILM
Publication number
20180105920
Publication date
Apr 19, 2018
Sumitomo Metal Mining Co., Ltd.
Hiroto WATANABE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...