TI

Tohru Ichikawa

SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #1,663,760 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D314762 Tape player Masayoshi Tsuchiya 1991-02-19
D284665 Magnetic disc jacket Etsuro Saito, Tsuneo Nemoto, Shinichiro Takahashi 1986-07-15
D277859 Magnetic disc Etsuro Saito 1985-03-05