YK

Yuri Kojima

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,257,787 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5721072 Alkaline battery Yuji Mototani, Shigeto Noya, Junichi Asaoka 1998-02-24
5587254 Alkaline battery having a gelled negative electrode Yuji Mototani, Junichi Asaoka 1996-12-24