DY

Daien Yokoi

SC Sanyo Special Steel Co.: 1 patents #50 of 109Top 50%
📍 Himeji, JP: #968 of 1,500 inventorsTop 65%
Overall (All Time): #3,613,130 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6053991 Production of cold working tool steel Nobuhiro Tsujii 2000-04-25