Inventor
MIYATA KIYOYUKI
JP6 patents
Patents
6 patentsUS7224544B2May 29, 2007
Method and device for recording data and erasing servo data
SONY CORP32 citations90
US6307713B1Oct 23, 2001
Center core for disc-shaped recording medium and process of producing same
SONY CORP10 citations72
US5327314AJul 5, 1994
Disk cartridge lifter with cutout across folding line
SONY CORP6 citations72
US7280299B2Oct 9, 2007
Recording method for magnetic recording medium, recording device for magnetic recording medium and magnetic recording medium
SONY CORP6 citations71
US9001455B2Apr 7, 2015
Magnetic recording medium, servo signal recording apparatus and method of producing magnetic recording medium
SONY CORP3 citations62
US6166883ADec 26, 2000
Spring assembly for biasing shutter of a disk cassette
SONY CORP6 citations60