KA

Katsuo Aoki

DC Dowa Mining Co.: 1 patents #157 of 324Top 50%
📍 Okayama, JP: #824 of 1,590 inventorsTop 55%
Overall (All Time): #3,964,260 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4789494 Hydrothermal process for producing magnetoplumbitic ferrite Toshio Ueda 1988-12-06