Inventor
IKEBE MASARU
JP65 patents
⚠️ This page may combine multiple inventors who share the name “IKEBE MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
49 patentsUS6205115B1Mar 20, 2001
Disc cartridge
TDK CORP70 citations96
US5278717AJan 11, 1994
Disk cartridge
TDK CORP57 citations96
US5385235AJan 31, 1995
Casing for housing a cartridge
TDK CORP45 citations93
US5195084AMar 16, 1993
Disc cartridge
TDK CORP27 citations93
US4977475ADec 11, 1990
Lining member for the surface of a casing for a disc cartridge
TDK CORP23 citations93
US6108298AAug 22, 2000
Disc cartridge
TDK CORP32 citations92
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
US7114166B2Sep 26, 2006
Disc cartridge
TDK CORP11 citations84
US6542459B2Apr 1, 2003
Cartridge and manufacturing method thereof
TDK CORP14 citations84
US5034844AJul 23, 1991
Disc cartridge with bent shutter plate to facilitate mounting of shutter plate on disc casing
TDK CORP20 citations82
US6418113B1Jul 9, 2002
Disk cartridge
TDK CORP13 citations74
US6370108B1Apr 9, 2002
Disc cartridge
TDK CORP8 citations74
US6334268B1Jan 1, 2002
Disk storage case
TDK CORP12 citations74
US6307831B1Oct 23, 2001
Disc cartridge having reference holes
TDK CORP9 citations74
US6283285B1Sep 4, 2001
Disk storage case and disk tray
TDK CORP9 citations74
US6243355B1Jun 5, 2001
Disk cartridge with error insertion prevention mechanism
TDK CORP14 citations74
US6125011ASep 26, 2000
Disc cartridge with particular cover configuration
TDK CORP8 citations74
US6094326AJul 25, 2000
Disc cartridge with improved shutter mechanism
TDK CORP15 citations74
US5966360AOct 12, 1999
Cleaning disc cartridge
TDK CORP10 citations74
US5860611AJan 19, 1999
Tape cassette and recording and reproducing apparatus
TDK CORP8 citations74
US5498456AMar 12, 1996
Disc cartridge
TDK CORP7 citations74
US5326608AJul 5, 1994
Disc cartridge
TDK CORP11 citations74
US5325256AJun 28, 1994
Cartridge having a write protector integrally formed with the casing
TDK CORP17 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
US5205507AApr 27, 1993
Hub for tape cassette
TDK CORP7 citations74
US5121277AJun 9, 1992
Disc cartridge with shutter and assembling and mounting mechanism therefor
TDK CORP17 citations74
US5081556AJan 14, 1992
Protective casing for a magnetic disk
TDK CORP17 citations74
US5077625ADec 31, 1991
Cartridge having casing with shutter movable to receive discs therein
TDK CORP17 citations74
US5072326ADec 10, 1991
Disc cartridge and shutter assembly thereof
TDK CORP12 citations74
US5057960AOct 15, 1991
Hub for a disk type recording medium
TDK CORP8 citations74
US5036421AJul 30, 1991
Disc cartridge having an improved shutter configuration
TDK CORP8 citations74
US5010435AApr 23, 1991
Hub for a disk type recording medium
TDK CORP9 citations74
US4991048AFeb 5, 1991
Disc cartridge casing with shutter slidably fitted therein to uncover a pick-inserting hole
TDK CORP11 citations74
US4847717AJul 11, 1989
Handling of a tape cassette
TDK CORP7 citations74
US4747007AMay 24, 1988
Spring means for biasing a tape against a head inserted in a cassette
TDK CORP14 citations74
US4671469AJun 9, 1987
Tape cassette
TDK CORP13 citations74
US6266319B1Jul 24, 2001
Disc cartridge integrally formed of transparent and non-transparent resin, and molding die therefor
TDK CORP7 citations73
US6095327AAug 1, 2000
Storage case for cartridge, manufacturing method thereof and cartridge
TDK CORP10 citations73
US5954198ASep 21, 1999
Cartridge receiving casing
TDK CORP12 citations73
US4979065ADec 18, 1990
Disc cartridge having a liner and an elastic member for maintaining the liner in contact with a disc
TDK CORP17 citations73
US5881871AMar 16, 1999
Cartridge receiving casing
TDK CORP11 citations72
US6301078B1Oct 9, 2001
Disc cartridge and shutter
TDK CORP2 citations63
US6282059B1Aug 28, 2001
Disk Cartridge
TDK CORP5 citations63
US6011675AJan 4, 2000
Tape cassette
TDK CORP4 citations63
US5797555AAug 25, 1998
Tape cassette
TDK CORP4 citations63
US5621597AApr 15, 1997
Disc cartridge
TDK CORP5 citations63
TDK ELECTRONICS CO LTD
1 patentShowing the top 50 of 65 patents by PatentIndex Score.