HK

Hisashi Kenmochi

Yamaha: 2 patents #899 of 2,001Top 45%
Overall (All Time): #2,149,052 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D574413 Key rod mounting post for wind instrument — 2008-08-05
D574414 Key rod mounting post for wind instrument — 2008-08-05