SA

Shizuo Atsumi

Yamaha: 2 patents #899 of 2,001Top 45%
Overall (All Time): #2,275,667 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5482235 Cymbal clamping device — 1996-01-09
5388495 Upper cymbal fastening assembly for a hi-hat cymbal — 1995-02-14