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Yoshiyuki Sumitomo

Overall (All Time): #2,039,601 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9192196 Underwear with seamless neck portion 2015-11-24
6857135 Helmet 2005-02-22