OM

Ohshi Miyashita

SO Sony: 2 patents #12,963 of 25,231Top 55%
📍 Shinagawa, JP: #282 of 807 inventorsTop 35%
Overall (All Time): #1,657,016 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D333560 Earphone case Katsumi Yamatogi 1993-03-02
D328074 Headphone Akira Yamazaki 1992-07-21
D318473 Earphone earpiece Katsumi Yamatogi 1991-07-23