Inventor
SAWA TETSUO
JP4 patents
Patents
4 patentsUS4510546AApr 9, 1985
Flexible magnetic disc cassette
SONY CORP41 citations90
US4581670AApr 8, 1986
Flexible magnetic disc cassette with a slidably mounted shutter
SONY CORP12 citations72
US4644435AFeb 17, 1987
Micro floppy disc cassette
SONY CORP13 citations71
US4544977AOct 1, 1985
Magnetic disc device
SONY CORP18 citations71