YK

Yozo Koyama

KS Kawai Gakki Seisakusho: 1 patents #113 of 198Top 60%
📍 Nanbu, JP: #734 of 1,154 inventorsTop 65%
Overall (All Time): #3,480,038 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6740801 Action for keyboard-based musical instrument Kenji Yoshisue 2004-05-25