TS

Takuma Saka

RO Roland: 1 patents #20 of 50Top 40%
Overall (2024): #248,626 of 561,600Top 45%
1
Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

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