TK

Tsutomu Kawabata

ON Onkyo: 2 patents #44 of 170Top 30%
Overall (All Time): #1,454,504 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D891401 Earphone — 2020-07-28
D853360 Earphone — 2019-07-09
D850408 Earphone — 2019-06-04