KO

Koji Otsuka

AU Audio-Technica: 3 patents #3 of 25Top 15%
TC Taiyo Yuden Co.: 2 patents #40 of 194Top 25%
Overall (2019): #33,601 of 560,194Top 6%
5
Patents 2019

Issued Patents 2019

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10511900 Headphone Daisuke Yoneyama, Yumi Shimazaki 2019-12-17
10431387 Electronic component and method of manufacturing the same Takuya Moriya, Tsuyoshi Ogino 2019-10-01
10312015 Electronic component Tsuyoshi Ogino, Takayuki SEKIGUCHI 2019-06-04
10249287 Noise-cancelling headphone Yumi Shimazaki, Daisuke Yoneyama 2019-04-02
10204615 Noise-cancelling headphone Yumi Shimazaki, Kozo Ando 2019-02-12