RI

Ryuichi Izumi

Yamaha: 1 patents #37 of 116Top 35%
Overall (2023): #272,190 of 537,848Top 55%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11599135 Rotation operation device Yoshihiro Suzuki 2023-03-07