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Masayoshi Maruta

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,254,007 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7179564 Cadmium negative electrode and nickel cadmium storage battery including the same Mika Morita 2007-02-20
6596436 Nickel positive electrode plate for alkaline storage batteries and method for producing the same Yoshiyuki Muraoka, Masumi Katsumoto, Fumihiko Yoshii 2003-07-22
6245459 Substrate for alkaline storage battery, process for producing the same and alkaline storage battery Masato Onishi, Fumihiko Yoshii, Tetsushi Kajikawa 2001-06-12
6120937 Electrode for alkaline storage battery and method for manufacturing the same Tamao Kojima, Munehiro Tabata, Tomoyuki Washizaki, Masakazu Tanahashi, Yoshiki Murakami +1 more 2000-09-19