Inventor
ASHIKAWA TERUO
JP38 patents
⚠️ This page may combine multiple inventors who share the name “ASHIKAWA TERUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
24 patentsUS5782355AJul 21, 1998
Cassette case
FUJI PHOTO FILM CO LTD22 citations92
US6556379B2Apr 29, 2003
Magnetic tape cassette, window member and resin molding product
FUJI PHOTO FILM CO LTD13 citations84
US6643096B2Nov 4, 2003
Magnetic tape cassette having improved positioning
FUJI PHOTO FILM CO LTD7 citations74
US5662854ASep 2, 1997
Method for manufacturing a magnetic tape cassette accommodating case
FUJI PHOTO FILM CO LTD6 citations74
US5560482AOct 1, 1996
Magnetic tape cassette-accommodating case having an easily deformable index card
FUJI PHOTO FILM CO LTD14 citations74
US5323904AJun 28, 1994
Magnetic tape cassette accommodating case and method and apparatus for manufacturing same
FUJI PHOTO FILM CO LTD5 citations74
US6821469B2Nov 23, 2004
Method of manufacturing a roller
FUJI PHOTO FILM CO LTD2 citations63
US6515828B1Feb 4, 2003
Magnetic tape cassette with position regulating rib
FUJI PHOTO FILM CO LTD5 citations63
US6515829B1Feb 4, 2003
Magnetic tape cassette, window opening having a build-up portion construction
FUJI PHOTO FILM CO LTD2 citations63
US5785176AJul 28, 1998
Cassette accommodating case
FUJI PHOTO FILM CO LTD3 citations63
US5586654ADec 24, 1996
Cassette accommodating case
FUJI PHOTO FILM CO LTD4 citations63
US7187522B2Mar 6, 2007
Tape cassette
FUJI PHOTO FILM CO LTD0 citations52
US7126791B2Oct 24, 2006
Recording medium cartridge having an accommodation portion for a noncontact-type memory
FUJI PHOTO FILM CO LTD1 citations52
US6954336B2Oct 11, 2005
Recording tape cassette having an approved reel lock member
FUJI PHOTO FILM CO LTD0 citations52
US6923396B2Aug 2, 2005
Recording tape cassette
FUJI PHOTO FILM CO LTD0 citations52
US6855285B2Feb 15, 2005
Magnetic tape cassette
FUJI PHOTO FILM CO LTD0 citations52
US6853516B2Feb 8, 2005
Recording tape cassette
FUJI PHOTO FILM CO LTD0 citations52
US6804084B2Oct 12, 2004
Magnetic tape cassette having reduced friction against tape reels
FUJI PHOTO FILM CO LTD0 citations52
US6719232B1Apr 13, 2004
Magnetic tape cassette
FUJI PHOTO FILM CO LTD0 citations52
US7073741B2Jul 11, 2006
Magnetic tape cassette
FUJI PHOTO FILM CO LTD0 citations50
US6866215B1Mar 15, 2005
Magnetic tape cassette
FUJI PHOTO FILM CO LTD0 citations50
US6863233B2Mar 8, 2005
Magnetic tape cassette
FUJI PHOTO FILM CO LTD0 citations50
US6817561B2Nov 16, 2004
Magnetic tape cassette
FUJI PHOTO FILM CO LTD0 citations50
US6407887B1Jun 18, 2002
Magnetic tape cassette having a lid lock
FUJI PHOTO FILM CO LTD0 citations41
FUJIFILM CORP
14 patentsUS7533840B2May 19, 2009
Reel and recording tape cartridge
FUJIFILM CORP16 citations84
US7516913B2Apr 14, 2009
Cartridge case for magnetic tape cartridge and magnetic tape cartridge
FUJIFILM CORP11 citations84
US7347397B2Mar 25, 2008
Reel and recording tape cartridge
FUJIFILM CORP17 citations83
US8006930B2Aug 30, 2011
Reel
FUJIFILM CORP3 citations63
US7832683B2Nov 16, 2010
Reel and manufacturing method thereof
FUJIFILM CORP6 citations63
US12396368B2Aug 19, 2025
Piezoelectric element
FUJIFILM CORP0 citations62
US7857250B2Dec 28, 2010
Recording tape cartridge and rotation locking structure
FUJIFILM CORP2 citations62
US7568654B2Aug 4, 2009
Reel
FUJIFILM CORP2 citations62
US12075211B2Aug 27, 2024
Laminated piezoelectric element and electroacoustic transducer
FUJIFILM CORP0 citations52
US11895463B2Feb 6, 2024
Piezoelectric element
FUJIFILM CORP0 citations52
US9147432B2Sep 29, 2015
Head cleaning device and drive device
FUJIFILM CORP0 citations52
US9076496B2Jul 7, 2015
Tape cleaning device and drive device
FUJIFILM CORP0 citations52
US7301728B2Nov 27, 2007
Recording medium cartridge having an accommodation portion for a noncontact-type memory
FUJIFILM CORP0 citations52
US7316314B2Jan 8, 2008
Tape cassette storing case with stacking ribs
FUJIFILM CORP0 citations42