YU

Yasuyuki Umeyama

Yamaha: 2 patents #24 of 184Top 15%
Overall (1997): #19,384 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5616879 Electronic musical instrument system formed of dynamic network of processing units Akira Yamauchi, Kyoko Ohno 1997-04-01
5604324 Musical tone signal generating apparatus including a plurality of voice units Itsuro Kubota 1997-02-18