Inventor
TSUKIDATE YOSHITAKA
JP3 patents
Patents
3 patentsUS7285318B2Oct 23, 2007
Packaging material and information recording media packaged by packaging material
SONY CORP24 citations84
US4191984AMar 4, 1980
Tape cassette
SONY CORP24 citations79
US5066539ANov 19, 1991
Magnetic recording medium wherein the magnetic layer contains components having specified polar groups, particle diameters and surface areas or which are in specific relative ratios
SONY CORP5 citations59