HM

Hirotaka Matsuyuki

RO Roland: 1 patents #161 of 292Top 60%
Overall (All Time): #3,339,705 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7612273 Electronic percussion instrument Kiyoshi Yoshino, Masato Katsuda 2009-11-03