IO

Ichiro Osuga

Yamaha: 1 patents #20 of 99Top 25%
Overall (2025): #361,400 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12305685 Fastening structure and keyboard device Kaoru Fujishiro 2025-05-20