DY

Daisuke Yoneyama

AU Audio-Technica: 2 patents #8 of 30Top 30%
Overall (2021): #167,428 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
D933601 Battery charger for earphone Takashi Nara, Naoto Nakamura 2021-10-19
10959005 Headphone — 2021-03-23