YS

Youji Semba

Yamaha: 1 patents #57 of 184Top 35%
📍 Iwata, JP: #25 of 96 inventorsTop 30%
Overall (1997): #55,316 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5654516 Karaoke system having a playback source with pre-stored data and a music synthesizing source with rewriteable data Masashi Tashiro 1997-08-05