TK

Tomoyuki Kumagai

Yamaha: 1 patents #57 of 184Top 35%
Overall (1997): #65,731 of 185,788Top 40%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5623112 Automatic performance device Yoshihisa Ito, Tadasu Kakizaki 1997-04-22