KO

Katsuro Okada

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,974,916 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4667584 Coffee kettle Masahiro Koyama, Kengi Kinoshita, Hiroshi Matsuo 1987-05-26