GK

Giichi Kawashima

SC Sumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
Overall (All Time): #3,977,990 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4678616 Method of producing permanent magnet — 1987-07-07