KY

Kyoji Yoshikawa

RC Rion Co.: 2 patents #29 of 139Top 25%
Overall (All Time): #1,893,072 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D938594 Earphone Takashi Iwakura 2021-12-14
11184720 Electroacoustic transducer and acoustic device Takashi Iwakura 2021-11-23