YK

Yusuke Konagai

Yamaha: 2 patents #22 of 214Top 15%
Overall (2020): #102,681 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10860287 Sound output device and sound output method 2020-12-08
10735849 Headphones Hideyoshi MASUI 2020-08-04