SI

Shunsuke Ichiki

Yamaha: 5 patents #4 of 158Top 3%
Overall (2021): #27,755 of 548,734Top 6%
5
Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11183162 Keyboard apparatus Ken Takahashi 2021-11-23
11094308 Keyboard device 2021-08-17
11017753 Keyboard device 2021-05-25
10984771 Rotating mechanism and keyboard apparatus 2021-04-20
10885884 Pivot member and keyboard apparatus Ken Takahashi 2021-01-05