IO

Ichiro Osuga

Yamaha: 1 patents #37 of 116Top 35%
Overall (2023): #416,498 of 537,848Top 80%
1
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11767873 Fastening structure and keyboard device Kaoru Fujishiro 2023-09-26