IK

Itsuro Kubota

Yamaha: 2 patents #899 of 2,001Top 45%
Overall (All Time): #2,268,166 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5604324 Musical tone signal generating apparatus including a plurality of voice units Yasuyuki Umeyama 1997-02-18
5272276 Electronic musical instrument adapted to simulate a rubbed string instrument Tetsuo Okamoto, Satoshi Usa 1993-12-21