Ryuichi Tsuji

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing secondary battery negative electrode
- Patent number 6,432,579
- Issue date Aug 13, 2002
- Kao Corporation
- Ryuichi Tsuji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lithium secondary cell and method for manufacturing the same
- Patent number 6,413,672
- Issue date Jul 2, 2002
- Kao Corporation
- Atsushi Suzuki
- H01 - BASIC ELECTRIC ELEMENTS