HK

Hirotsugu KAMIYA

Yamaha: 1 patents #71 of 214Top 35%
Overall (2020): #450,318 of 565,922Top 80%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10825435 Pivot mechanism and keyboard apparatus including the same Shunsuke Ichiki, Tsuyoshi Sato 2020-11-03