AO

Akito Ohba

Yamaha: 3 patents #12 of 214Top 6%
Overall (2020): #100,083 of 565,922Top 20%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10796672 Keyboard apparatus 2020-10-06
10692478 Keyboard apparatus Shunsuke Ichiki 2020-06-23
10607577 Support assembly and keyboard apparatus Shunsuke Ichiki 2020-03-31