SI

Sadayuki Ito

SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #1,618,446 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6457963 Resin-sealing apparatus Masato Tawara, Toshiyuki Ebara, Kazuhiko Hatakawa 2002-10-01
4581669 Flexible magnetic disk cassette and a recording and/or reproducing apparatus for the same Akira Tsuji, Kazumi Fujimoto 1986-04-08
4517617 Flexible magnetic disk cassette and a recording and/or reproducing apparatus for the same Akira Tsuji, Kazumi Fujimoto 1985-05-14