MI

Masakazu Ikeyama

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
Overall (All Time): #1,051,375 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5968684 Nickel positive electrode for alkaline rechargeable batteries and nickel metal hydride cells Kiyoshi Hayashi, Katsuyuki Tomioka, Nobuyasu Morishita, Munehisa Ikoma 1999-10-19
5213722 Method of making a separator material for a storage battery Kazutaka Iwasaki, Munehisa Ikoma, Hiroshi Kawano, Isao Matsumoto 1993-05-25
5100723 Separator material for storage batteries Kazutaka Iwasaki, Munehisa Ikoma, Hiroshi Kawano, Isao Matsumoto 1992-03-31
4925748 Alkaline storage battery using hydrogen absorbing alloy Munehisa Ikoma, Hiroshi Kawano, Osamu Takahashi, Isao Matsumoto 1990-05-15
4582098 Method of fabricating electrodes for battery Isao Matsumoto, Koichi Inoue, Minoru Yamaga 1986-04-15