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Youtarou Yamauchi

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,423,406 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7080390 Power transmitting device for stepping motor and disk drive provided with the same Yasunari Toyama, Makoto Kambayashi 2006-07-18