RM

Rokurouta Mantani

Yamaha: 2 patents #899 of 2,001Top 45%
📍 Iwata, JP: #392 of 782 inventorsTop 55%
Overall (All Time): #2,023,351 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8962966 Keyboard instrument Kenta Ohnishi, Jun Ishii 2015-02-24
8859866 Keyboard instrument Kenta Onishi 2014-10-14