SH

Satoshi Hirasawa

HC Hoshino Gakki Co.: 2 patents #1 of 5Top 20%
Overall (2019): #124,389 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10475423 Pedal device for musical instrument 2019-11-12
10366680 Anti-loosening device for drum tension bolt 2019-07-30