KK

Kawamura Kiyoshi

Yamaha: 1 patents #1,232 of 2,001Top 65%
📍 Nanbu, JP: #734 of 1,154 inventorsTop 65%
Overall (All Time): #3,609,471 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6037534 Keyboard musical instrument and electric tutor for guiding fingers on keyboard Kaneko Yasutoshi 2000-03-14