Hideaki Ohtsuka

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cathode material and secondary battery using the same
- Patent number 5,415,957
- Issue date May 16, 1995
- Nippon Telegraph & Telephone Corporation
- Shigeto Okada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lithium battery including vanadium pentoxide base amorphous cathode...
- Patent number 4,675,260
- Issue date Jun 23, 1987
- Nippon Telegraph & Telephone Corporation
- Yoji Sakurai
- H01 - BASIC ELECTRIC ELEMENTS