YK

Yutaro Kumagai

AU Audio-Technica: 7 patents #1 of 27Top 4%
Overall (2023): #14,001 of 537,848Top 3%
7
Patents 2023

Issued Patents 2023

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D1008215 Headphone Nonomi Shiwaku 2023-12-19
D1003854 Headphone Nonomi Shiwaku 2023-11-07
D1003855 Headphone Nonomi Shiwaku 2023-11-07
D1002585 Earphone Yosuke Takubo, Hiroaki Kokubun 2023-10-24
D997122 Speaker pattern for a headphone Nonomi Shiwaku 2023-08-29
D997133 Earphone Daisuke Yoneyama, Takashi Nara 2023-08-29
D997123 Headphone headband support Nonomi Shiwaku 2023-08-29