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Yoshiko Kurosawa
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Yokohama, JP
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last 30 patents
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Patent Grant
Negative electrode for lithium secondary battery and lithium second...
Patent number
5,900,336
Issue date
May 4, 1999
Ricoh Company, Ltd.
Toshiyuki Kabata
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Non-aqueous secondary lithium battery
Patent number
5,885,733
Issue date
Mar 23, 1999
Ricoh Company, Ltd.
Toshiyuki Ohsawa
H01 - BASIC ELECTRIC ELEMENTS