Kenji Takeda

Person

Ehime, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for treating lithium ion battery waste
- Patent number 12,157,927
- Issue date Dec 3, 2024
- Sumitomo Metal Mining Co., Ltd.
- Kenji Takeda
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method for treating lithium ion battery waste
- Patent number 11,618,959
- Issue date Apr 4, 2023
- Sumitomo Metal Mining Co., Ltd.
- Hiroshi Takenouchi
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Method for concentration of gold in copper sulfide minerals
- Patent number 8,052,774
- Issue date Nov 8, 2011
- Sumitomo Metal Mining Co., Ltd.
- Noriyuki Nagase
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process of solvent extraction of copper
- Patent number 7,449,160
- Issue date Nov 11, 2008
- Sumitomo Metal Mining Co., Ltd.
- Kenji Takeda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR REFINING BISMUTH
- Publication number 20210292927
- Publication date Sep 23, 2021
- Sumitomo Metal Mining Co., Ltd.
- Hiroshi TAKENOUCHI
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR TREATING LITHIUM ION BATTERY WASTE
- Publication number 20200277704
- Publication date Sep 3, 2020
- Sumitomo Metal Mining Co., Ltd.
- Hiroshi Takenouchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR TREATING LITHIUM ION BATTERY WASTE
- Publication number 20200263276
- Publication date Aug 20, 2020
- Sumitomo Metal Mining Co., Ltd.
- Kenji Takeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for concentration of gold in copper sulfide minerals
- Publication number 20100242681
- Publication date Sep 30, 2010
- Sumitomo Metal Mining Co., Ltd.
- Noriyuki Nagase
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for extracting copper with solvent
- Publication number 20060147360
- Publication date Jul 6, 2006
- Sumitomo Metal Minning Co., LTD
- Kenji Takeda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for refining raw copper material containing copper sulfide...
- Publication number 20040144208
- Publication date Jul 29, 2004
- Koji Ando
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Kenji Takeda

Person

Patents Grantslast 30 patents

Method for treating lithium ion battery waste

Method for treating lithium ion battery waste

Method for concentration of gold in copper sulfide minerals

Process of solvent extraction of copper

Patents Applicationslast 30 patents

METHOD FOR REFINING BISMUTH

METHOD FOR TREATING LITHIUM ION BATTERY WASTE

METHOD FOR TREATING LITHIUM ION BATTERY WASTE

Method for concentration of gold in copper sulfide minerals

Method for extracting copper with solvent

Process for refining raw copper material containing copper sulfide...