SI

Shunsuke Ichiki

Yamaha: 2 patents #28 of 178Top 20%
Overall (2019): #121,293 of 560,194Top 25%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10311836 Support assembly and keyboard apparatus Akito Ohba, Hiroshi Harimoto, Ichiro Osuga 2019-06-04
10311847 Keyboard apparatus Hirotsugu Suzuki, Ichiro Osuga 2019-06-04