Toshifumi KAWAMURA

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Hitachi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polyoxometalate and method for producing polyoxometalate
- Patent number 10,647,589
- Issue date May 12, 2020
- JX Nippon Mining & Metals Corporation
- Toshifumi Kawamura
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for recovering at least one valuable containing tungsten
- Patent number 10,538,849
- Issue date Jan 21, 2020
- JX Nippon Mining & Metals Corporation
- Toshifumi Kawamura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing tungsten
- Patent number 10,422,022
- Issue date Sep 24, 2019
- JX Nippon Mining & Metals Corporation
- Toshifumi Kawamura
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for producing tungsten carbide
- Patent number 10,227,235
- Issue date Mar 12, 2019
- JX Nippon Mining & Metals Corporation
- Toshifumi Kawamura
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR RECOVERING AT LEAST ONE VALUABLE CONTAINING TUNGSTEN
- Publication number 20180087166
- Publication date Mar 29, 2018
- JX NIPPON MINING & METALS CORPORATION
- Toshifumi KAWAMURA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR PRODUCING TUNGSTEN
- Publication number 20180080101
- Publication date Mar 22, 2018
- JX NIPPON MINING & METALS CORPORATION
- Toshifumi KAWAMURA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR PRODUCING TUNGSTEN CARBIDE
- Publication number 20180072576
- Publication date Mar 15, 2018
- JX NIPPON MINING & METALS CORPORATION
- Toshifumi KAWAMURA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
POLYOXOMETALATE AND METHOD FOR PRODUCING POLYOXOMETALATE
- Publication number 20180065862
- Publication date Mar 8, 2018
- JX NIPPON MINING & METALS CORPORATION
- Toshifumi KAWAMURA
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR