Inventor
HASHIZUME KENJI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “HASHIZUME KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
40 patentsUS6205115B1Mar 20, 2001
Disc cartridge
TDK CORP70 citations96
US5278717AJan 11, 1994
Disk cartridge
TDK CORP57 citations96
US5153801AOct 6, 1992
Disk cartridge having coupled shutters for closing plural cartridge openings
TDK CORP44 citations92
US7114166B2Sep 26, 2006
Disc cartridge
TDK CORP11 citations84
US6532133B1Mar 11, 2003
Recording medium cartridge with improved welding characteristics
TDK CORP10 citations74
US6418113B1Jul 9, 2002
Disk cartridge
TDK CORP13 citations74
US6191920B1Feb 20, 2001
Tape cassette with tape guides press-fit over ribbed guide posts
TDK CORP9 citations74
US5933302AAug 3, 1999
Tape cassette
TDK CORP6 citations74
US5232093AAug 3, 1993
Tape cassette housing
TDK CORP13 citations74
US5107386AApr 21, 1992
Magnetic tape cassette
TDK CORP8 citations74
US4984120AJan 8, 1991
Cleaning cassette for a video cassette tape deck
TDK CORP10 citations74
US4973012ANov 27, 1990
Magnetic tape cassette
TDK CORP7 citations74
US4930714AJun 5, 1990
Reel for a magnetic tape
TDK CORP8 citations74
US4885651ADec 5, 1989
Tape cassette with low friction slide member for guiding movement of a lid thereon
TDK CORP9 citations74
US4631619ADec 23, 1986
Magnetic tape cassette having improved reel locking means
TDK CORP15 citations74
US4585187AApr 29, 1986
Magnetic tape cassette
TDK CORP11 citations73
US7343613B2Mar 11, 2008
Disc cartridge having disc access opening
TDK CORP2 citations63
US6407886B1Jun 18, 2002
Tape cassette having a biased locked member
TDK CORP4 citations63
US5626305AMay 6, 1997
Tape cassette having ribs and window
TDK CORP5 citations63
US5417378AMay 23, 1995
Tape cassette
TDK CORP2 citations63
US5381893AJan 17, 1995
Housing case for tape cassette with index card
TDK CORP5 citations63
US5379960AJan 10, 1995
Tape cassette casing having an attaching cylindrical portion with at least one rib for retaining a reel spring
TDK CORP5 citations63
US4899242AFeb 6, 1990
Locking mechanism of magnetic tape cassette
TDK CORP3 citations63
US4865265ASep 12, 1989
Magnetic tape cassette
TDK CORP4 citations63
US4717980AJan 5, 1988
Tape cassette with low friction slide member for guiding movement of a lid thereon
TDK CORP3 citations63
US7281258B2Oct 9, 2007
Disc cartridge
TDK CORP2 citations62
US4858849AAug 22, 1989
Tape cassette housing
TDK CORP2 citations62
US4682259AJul 21, 1987
Magnetic tape cassette with dustproof mechanism
TDK CORP4 citations62
US7610595B2Oct 27, 2009
Clamping plate, cartridge case, information medium, mold, and method of manufacturing clamping plate
TDK CORP1 citations52
US6484957B1Nov 26, 2002
Tape cassette and combination structure of the tape cassette and driving device
TDK CORP0 citations52
US6446896B1Sep 10, 2002
Tape cassette
TDK CORP1 citations52
US6388837B1May 14, 2002
Tape cartridge
TDK CORP1 citations52
US6385010B1May 7, 2002
Cartridge
TDK CORP0 citations52
US6137653AOct 24, 2000
Release mechanism for a reel brake member for a tape cassette
TDK CORP1 citations52
US6118631ASep 12, 2000
Tape cassette
TDK CORP1 citations52
US5115365AMay 19, 1992
Magnetic tape cassette having elastic pad element
TDK CORP1 citations52
US7047546B2May 16, 2006
Disc cartridge
TDK CORP0 citations42
US6325316B1Dec 4, 2001
Tape cartridge
TDK CORP0 citations42
US6302345B1Oct 16, 2001
Tape cassette
TDK CORP0 citations42
US5873538AFeb 23, 1999
Magnetic tape cassette
TDK CORP0 citations42