Naoki Kumada

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Patents Grantslast 30 patents

Information Patent Grant
Zinc foil, primary battery negative electrode active material using...
- Patent number 11,848,441
- Issue date Dec 19, 2023
- Mitsui Mining & Smelting Co., Ltd.
- Tsuneyoshi Kamada
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Spinel type lithium transition metal oxide
- Patent number 7,988,880
- Issue date Aug 2, 2011
- Mitsui Mining & Smelting Co., Ltd.
- Naoki Kumada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Lithium transition metal oxide having layered structure
- Patent number 7,927,741
- Issue date Apr 19, 2011
- Mitsui Mining & Smelting Co., Ltd.
- Tomoya Takeuchi
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ZINC FOIL, PRIMARY BATTERY NEGATIVE ELECTRODE ACTIVE MATERIAL USING...
- Publication number 20220037654
- Publication date Feb 3, 2022
- Mitsui Mining and Smelting Co., Ltd.
- Tsuneyoshi KAMADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spinel Type Lithium Transition Metal Oxide
- Publication number 20100243952
- Publication date Sep 30, 2010
- Mitsui Mining and Smelting Co., Ltd.
- Naoki Kumada
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Lithium Transition Metal Oxide Having Layered Structure
- Publication number 20100117025
- Publication date May 13, 2010
- Mitsui Mining and Smelting Co., Ltd.
- Tomoya Takeuchi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Active substance of postitive electrode for battery, process for pr...
- Publication number 20060019165
- Publication date Jan 26, 2006
- Munetoshi Yamaguchi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Battery cathode active material, method for producing electrolytic...
- Publication number 20040009400
- Publication date Jan 15, 2004
- MITSUI MINING AND SMELTING CO., LTD
- Munetoshi Yamaguchi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR