HS

Hideharu Sakai

DC Daido Steel Co.: 1 patents #95 of 272Top 35%
Overall (All Time): #3,671,096 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6001148 Process for obtaining metal from metal oxide Tetsuo Okamoto 1999-12-14