identify C. Itoh harddisk

C. Itoh

YD-3530 31.1MB (ST-412, ??/??KB/??) MFM, CHS 731x5x17, 5.25"
YD-3540 43.5MB (ST-412, ??/??KB/??) MFM, CHS 731x7x17, 5.25"

YD-3042 53.6MB (SCSI, 12.0/??KB/??) RLL, CHS 788x4x34, 5.25"
YD-3082 107.2MB (SCSI, 12.0/??KB/??) RLL, CHS 788x8x34, 5.25"