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Yoshio Yahagi

TE Teac: 1 patents #255 of 440Top 60%
📍 Hidaka, JP: #32 of 71 inventorsTop 50%
Overall (All Time): #3,745,154 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5526341 Test disk having defect patterns uniformly distributed in recording areas Mitsuo Shiba 1996-06-11