Inventor
HIRAGUCHI KAZUO
JP163 patents
⚠️ This page may combine multiple inventors who share the name “HIRAGUCHI KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
30 patentsUS7104486B2Sep 12, 2006
Recording tape cartridge
FUJI PHOTO FILM CO LTD23 citations93
US6981586B2Jan 3, 2006
Magnetic tape cassette storage case
FUJI PHOTO FILM CO LTD14 citations93
US6964391B2Nov 15, 2005
Recording tape cartridge
FUJI PHOTO FILM CO LTD24 citations93
US6913219B2Jul 5, 2005
Recording tape cartridge
FUJI PHOTO FILM CO LTD15 citations93
US6742738B2Jun 1, 2004
Recording tape cartridge
FUJI PHOTO FILM CO LTD24 citations93
US6736345B2May 18, 2004
Recording tape cartridge
FUJI PHOTO FILM CO LTD16 citations93
US7175123B2Feb 13, 2007
Recording tape cartridge
FUJI PHOTO FILM CO LTD10 citations84
US6869037B2Mar 22, 2005
Recording tape cartridge
FUJI PHOTO FILM CO LTD16 citations84
US6826773B2Nov 30, 2004
Disc cartridge
FUJI PHOTO FILM CO LTD14 citations84
US7124973B2Oct 24, 2006
Drive device
FUJI PHOTO FILM CO LTD10 citations74
US7104488B2Sep 12, 2006
Gripped part structure of recording tape cartridge
FUJI PHOTO FILM CO LTD8 citations74
US7059554B2Jun 13, 2006
Recording tape cartridge
FUJI PHOTO FILM CO LTD10 citations74
US7032853B2Apr 25, 2006
Recording tape cartridge
FUJI PHOTO FILM CO LTD7 citations74
US7035048B2Apr 25, 2006
Magnetic tape cassettes and processes for producing them
FUJI PHOTO FILM CO LTD4 citations74
US6983908B2Jan 10, 2006
Recording tape cartridge
FUJI PHOTO FILM CO LTD7 citations74
US6958887B2Oct 25, 2005
Recording media cartridge having a memory accessible from multiple directions
FUJI PHOTO FILM CO LTD6 citations74
US6883740B2Apr 26, 2005
Tape drive device
FUJI PHOTO FILM CO LTD7 citations74
US6857591B2Feb 22, 2005
Recording tape cartridge
FUJI PHOTO FILM CO LTD7 citations74
US6856486B2Feb 15, 2005
Recording medium cartridge
FUJI PHOTO FILM CO LTD8 citations74
US6826145B2Nov 30, 2004
Disk cartridge and drive device having a cleaning liner
FUJI PHOTO FILM CO LTD7 citations74
US6816340B2Nov 9, 2004
Disk cartridge
FUJI PHOTO FILM CO LTD8 citations74
US6772430B2Aug 3, 2004
Cartridge housing a recording medium and drive device for recording medium
FUJI PHOTO FILM CO LTD6 citations74
US6739539B2May 25, 2004
Recording tape cartridge
FUJI PHOTO FILM CO LTD10 citations74
US6622952B2Sep 23, 2003
Magnetic tape cassette
FUJI PHOTO FILM CO LTD5 citations74
US6550614B1Apr 22, 2003
Magnetic tape cassette holding case
FUJI PHOTO FILM CO LTD5 citations74
US6009999AJan 4, 2000
Magnetic tape cassette storage case
FUJI PHOTO FILM CO LTD11 citations74
US6758428B1Jul 6, 2004
Tape reel for use in magnetic tape cassette
FUJI PHOTO FILM CO LTD7 citations73
US7175124B2Feb 13, 2007
Recording tape cartridge
FUJI PHOTO FILM CO LTD4 citations63
US7168649B2Jan 30, 2007
Recording tape cartridge
FUJI PHOTO FILM CO LTD2 citations63
US7165738B2Jan 23, 2007
Record media cartridge
FUJI PHOTO FILM CO LTD4 citations63
FUJIFILM CORP
20 patentsUS7350731B2Apr 1, 2008
Recording tape cartridge
FUJIFILM CORP12 citations84
US7360982B2Apr 22, 2008
Structure for holding recording tape cartridge and method of manufacturing said structure
FUJIFILM CORP7 citations74
US7690594B2Apr 6, 2010
Recording tape cartridge
FUJIFILM CORP7 citations73
US7475839B2Jan 13, 2009
Recording tape cartridge
FUJIFILM CORP7 citations73
US7677488B2Mar 16, 2010
Recording tape cartridge
FUJIFILM CORP6 citations63
US7559500B2Jul 14, 2009
Recording tape cartridge
FUJIFILM CORP4 citations63
US7530518B2May 12, 2009
Recording tape cartridge
FUJIFILM CORP2 citations63
US7471487B2Dec 30, 2008
Recording medium cartridge
FUJIFILM CORP2 citations63
US7416148B2Aug 26, 2008
Recording tape cartridge
FUJIFILM CORP2 citations63
US7407126B2Aug 5, 2008
Recording tape cartridge
FUJIFILM CORP5 citations63
US7401750B2Jul 22, 2008
Reel and recording tape cartridge
FUJIFILM CORP5 citations63
US7398940B2Jul 15, 2008
Leader tape, method for manufacturing the same, and magnetic tape cartridge
FUJIFILM CORP3 citations63
US7354016B2Apr 8, 2008
Reel
FUJIFILM CORP6 citations63
US7322540B2Jan 29, 2008
Recording tape cartridge
FUJIFILM CORP6 citations63
US7316367B2Jan 8, 2008
Recording tape cartridge
FUJIFILM CORP5 citations63
US7306182B2Dec 11, 2007
Recording tape cartridge
FUJIFILM CORP2 citations63
US7284723B2Oct 23, 2007
Recording tape cartridge
FUJIFILM CORP2 citations63
US7261249B2Aug 28, 2007
Tape cartridge
FUJIFILM CORP2 citations63
US7237740B2Jul 3, 2007
Recording tape cartridge
FUJIFILM CORP2 citations63
US7221540B2May 22, 2007
Recording medium cartridge
FUJIFILM CORP2 citations63
Showing the top 50 of 163 patents by PatentIndex Score.