JO

Jun Okuyama

RO Roland: 1 patents #161 of 292Top 60%
Overall (All Time): #2,492,998 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1022554 Stand for percussion instrument Yohei Kunimitsu, Ryo Tanida 2024-04-16