YT

Yosuke Takubo

AU Audio-Technica: 16 patents #8 of 180Top 5%
NC Nippon Chemical Industrial Co.: 3 patents #36 of 212Top 20%
Overall (All Time): #228,997 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1082754 Earpiece for earphone 2025-07-08
12294828 Wireless earphone 2025-05-06
12256184 Earpiece and earphone 2025-03-18
D1042329 Battery charger for earphones Yutaro Kumagai, Yuki Nojiri 2024-09-17
D1030719 Earphone Yutaro Kumagai, Yuki Nojiri 2024-06-11
D1029800 Earphone Hiroaki Kokubun, Yutaro Kumagai 2024-06-04
D1028876 Battery charger for earphones Hiroaki Kokubun, Yutaro Kumagai 2024-05-28
D1002585 Earphone Hiroaki Kokubun, Yutaro Kumagai 2023-10-24
11578266 Silyl phosphine compound, process for producing silyl phosphine compound and process for producing InP quantum dots Ken Tamura, Kazuhiro Nakatsui 2023-02-14
11512103 Process for producing silyl phosphine compound and silyl phosphine compound Ken Tamura 2022-11-29
D934841 Earphone Takashi Nara, Jin Kuramoto 2021-11-02
D934840 Earphone Takashi Nara, Jin Kuramoto 2021-11-02
D924850 Earphone Takashi Nara, Jin Kuramoto 2021-07-13
10934316 Process for producing silyl phosphine compound and silyl phosphine compound Ken Tamura 2021-03-02
D905016 Headphone Yutaro Kumagai 2020-12-15
D893458 Headshell 2020-08-18
D876429 Pick-up cartridge Aya Mashimo, Daichi Yamakawa, Shohei Araki 2020-02-25
D873237 Headphone Hiromichi Ozawa, Shohei Araki 2020-01-21
D872706 Headphone Shohei Araki 2020-01-14