Koichi Numata

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Takehara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing lithium manganate in spinel structure
- Patent number 6,706,444
- Issue date Mar 16, 2004
- Mitsui Mining & Smelting Company, Ltd.
- Koichi Numata
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method for preparing lithium manganate having spinel structure
- Patent number 6,576,215
- Issue date Jun 10, 2003
- Mitsui Mining & Smelting Co., Ltd.
- Koichi Numata
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Lithium manganese complex oxide anode material for lithium secondar...
- Patent number 6,465,130
- Issue date Oct 15, 2002
- Mitsui Mining & Smelting Company, Ltd.
- Koichi Numata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing lithium manganate
- Patent number 6,409,985
- Issue date Jun 25, 2002
- Mitsui Mining and Smelting Company, Ltd.
- Koichi Numata
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing spinel type lithium manganate
- Patent number 6,383,683
- Issue date May 7, 2002
- Mitsui Mining and Smelting Company, Ltd.
- Masatoshi Nagayama
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing lithium manganate for lithium secondary battery
- Patent number 6,123,911
- Issue date Sep 26, 2000
- Mitsui Mining and Smelting Company, Ltd.
- Munetoshi Yamaguchi
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

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
Process for preparation of spinel-type lithium manganate
- Publication number 20030035997
- Publication date Feb 20, 2003
- MITSUI MINING AND SMELTING CO., LTD
- Koichi Numata
- C01 - INORGANIC CHEMISTRY