YI

Yoshihisa Ito

Yamaha: 1 patents #57 of 184Top 35%
Overall (1997): #56,294 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5623112 Automatic performance device Tomoyuki Kumagai, Tadasu Kakizaki 1997-04-22