KW

Kazuya Washio

Yamaha: 5 patents #527 of 2,001Top 30%
Overall (All Time): #970,632 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D877112 Amplifier — 2020-03-03
D804448 Speaker — 2017-12-05
D778342 Electronic keyboard — 2017-02-07
D766873 Speaker — 2016-09-20
D766874 Audio equipment — 2016-09-20