Inventor
SASAKI MORIMASA
JP27 patents
Patents
27 patentsUS5278717AJan 11, 1994
Disk cartridge
TDK CORP57 citations96
US5260931ANov 9, 1993
Disk cartridge with improved transmission shutter mechanism
TDK CORP22 citations92
US5153801AOct 6, 1992
Disk cartridge having coupled shutters for closing plural cartridge openings
TDK CORP44 citations92
US4862448AAug 29, 1989
Disc cartridge and casing therefor
TDK CORP26 citations92
US5498456AMar 12, 1996
Disc cartridge
TDK CORP7 citations74
US5288543AFeb 22, 1994
Protective film on sliding members and method of forming same
TDK CORP9 citations74
US5247416ASep 21, 1993
Disk cartridge with friction-reducing sheet
TDK CORP16 citations74
US5081556AJan 14, 1992
Protective casing for a magnetic disk
TDK CORP17 citations74
US4984120AJan 8, 1991
Cleaning cassette for a video cassette tape deck
TDK CORP10 citations74
US4775911AOct 4, 1988
Magnetic tape cassette
TDK CORP9 citations73
US7448569B2Nov 11, 2008
Cartridge case and information recording medium
TDK CORP2 citations63
US7350732B2Apr 1, 2008
Cartridge case and information recording medium
TDK CORP6 citations63
US7343613B2Mar 11, 2008
Disc cartridge having disc access opening
TDK CORP2 citations63
US7284722B2Oct 23, 2007
Information recording medium
TDK CORP3 citations63
US5621597AApr 15, 1997
Disc cartridge
TDK CORP5 citations63
US5091814AFeb 25, 1992
Disk cartridge having discontinuous hub-position determining rib
TDK CORP3 citations63
US5018039AMay 21, 1991
Disc cartridge with thick portion surrounding head insertion hole
TDK CORP3 citations63
US4905113AFeb 27, 1990
Magnetic tape cassette having a slider mounted on the lower casing member
TDK CORP5 citations63
US4853816AAug 1, 1989
Casing for cassette magnetic tape
TDK CORP5 citations63
US7552887B2Jun 30, 2009
Information medium
TDK CORP2 citations62
US7578464B2Aug 25, 2009
Tape reel and information recording apparatus
TDK CORP2 citations61
US7290734B2Nov 6, 2007
Tape reel and information recording medium
TDK CORP4 citations61
US7497397B2Mar 3, 2009
Cartridge case and information recording medium
TDK CORP6 citations60
US7775472B2Aug 17, 2010
Information medium
TDK CORP0 citations42
US7195192B2Mar 27, 2007
Tape cartridge
TDK CORP0 citations42
US7357344B2Apr 15, 2008
Information medium
TDK CORP0 citations41
US7364107B2Apr 29, 2008
Tape cartridge
TDK CORP0 citations39