TS

Takuma Saka

RO Roland: 1 patents #161 of 292Top 60%
Overall (All Time): #2,498,844 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11984099 Drum head and attachment method of cushion Kenji Sakamoto 2024-05-14