YK

Yozo Koyama

KS Kawai Gakki Seisakusho: 1 patents #2 of 17Top 15%
📍 Nanbu, JP: #51 of 128 inventorsTop 40%
Overall (2004): #82,561 of 270,089Top 35%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

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