RW

Ryoken Watanabe

RO Roland: 1 patents #161 of 292Top 60%
Overall (All Time): #2,457,652 of 4,157,543Top 60%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D1092608 Electronic percussion instrument Yuya Ohmae, Satoshi Sutoh 2025-09-09