Inventor

TSUYUKI SEIJI

JP64 patents

⚠️ This page may combine multiple inventors who share the name “TSUYUKI SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJI PHOTO FILM CO LTD

46 patents

US6349892B2Feb 26, 2002

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD59 citations96

US6349016B1Feb 19, 2002

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD32 citations96

US6236539B1May 22, 2001

Magnetic tape cartridge with spring member abutting leader pin

FUJI PHOTO FILM CO LTD51 citations96

US6751059B2Jun 15, 2004

Magnetic tape cartridge with urging member acting on reel brake radial outer periphery

FUJI PHOTO FILM CO LTD13 citations93

US6680818B1Jan 20, 2004

Magnetic tape cartridge for housing a reel

FUJI PHOTO FILM CO LTD17 citations93

US6581866B2Jun 24, 2003

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD36 citations93

US6577471B1Jun 10, 2003

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD29 citations93

US6568619B1May 27, 2003

Reel of magnetic tape cartridge

FUJI PHOTO FILM CO LTD42 citations93

US6499686B2Dec 31, 2002

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD33 citations93

US6462905B1Oct 8, 2002

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD23 citations93

US6435439B1Aug 20, 2002

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD18 citations93

US6331922B2Dec 18, 2001

Magnetic tape cartridge with elastic member for removably holding leader pin

FUJI PHOTO FILM CO LTD12 citations82

US7121494B2Oct 17, 2006

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD8 citations74

US6938848B2Sep 6, 2005

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD5 citations74

US6814326B2Nov 9, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD6 citations74

US6761327B2Jul 13, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD6 citations74

US6752341B2Jun 22, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD4 citations74

US6736344B2May 18, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD9 citations74

US6728066B2Apr 27, 2004

Magnetic tape cartridge having a brake

FUJI PHOTO FILM CO LTD8 citations74

US6700742B2Mar 2, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD10 citations74

US6685123B2Feb 3, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD4 citations74

US6687086B2Feb 3, 2004

Magnetic tape cartridge for housing a reel

FUJI PHOTO FILM CO LTD6 citations74

US6672528B2Jan 6, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD4 citations74

US6667852B2Dec 23, 2003

Magnetic tape cartridge having a brake

FUJI PHOTO FILM CO LTD9 citations74

US6659380B2Dec 9, 2003

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD7 citations74

US6654204B2Nov 25, 2003

Magnetic tape cartridge for housing a reel

FUJI PHOTO FILM CO LTD4 citations74

US6629656B2Oct 7, 2003

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD7 citations74

US6533204B2Mar 18, 2003

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD7 citations74

US6499685B2Dec 31, 2002

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD4 citations74

US7064926B2Jun 20, 2006

Cartridge case with chip retaining features

FUJI PHOTO FILM CO LTD9 citations73

US6779242B2Aug 24, 2004

Method for assembling, magnetic tape cartridge

FUJI PHOTO FILM CO LTD5 citations73

US7191970B2Mar 20, 2007

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD4 citations63

US7097126B2Aug 29, 2006

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD1 citations63

US7088552B2Aug 8, 2006

Magnetic tape cartridge with brake release push rod extending through reel hole wider than only one reel gear pitch

FUJI PHOTO FILM CO LTD2 citations63

US6959888B2Nov 1, 2005

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD4 citations63

US6953170B2Oct 11, 2005

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD2 citations63

US6862157B2Mar 1, 2005

Magnetic tape cartridge with claw-engageable side notch having rounded outer edge with specified radius of curvature

FUJI PHOTO FILM CO LTD2 citations63

US6851169B2Feb 8, 2005

Method of assembling a magnetic tape cartridge

FUJI PHOTO FILM CO LTD1 citations63

US6796520B2Sep 28, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD3 citations63

US6760192B2Jul 6, 2004

Magnetic tape cartridge for housing a reel

FUJI PHOTO FILM CO LTD2 citations63

US6745967B2Jun 8, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD2 citations63

US6741423B2May 25, 2004

Magnetic tape cartridge having a latch spring with one of an inclined guide surface and a bent portion supported by a support member

FUJI PHOTO FILM CO LTD4 citations63

US6712303B2Mar 30, 2004

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD2 citations63

US6672527B2Jan 6, 2004

Structure for identifying a recording medium cartridge

FUJI PHOTO FILM CO LTD6 citations63

US6661609B1Dec 9, 2003

Magnetic tape cartridge

FUJI PHOTO FILM CO LTD2 citations63

US6356411B2Mar 12, 2002

Magnetic tape cartridge with magnetic tape leader pin having rotatable engagement portions at opposite ends thereof

FUJI PHOTO FILM CO LTD2 citations63

(unassigned)

3 patents

US6563671B2May 13, 2003

Magnetic tape cartridge having brake with skirt portion thereof contacting reel hub continous wall portion

US6648259B1Nov 18, 2003

Magnetic tape cartridge

US6462906B2Oct 8, 2002

Magnetic tape cartridge

FUJIFILM CORP

1 patent

US7284724B2Oct 23, 2007

Magnetic tape cartridge

FUJIFILM CORP2 citations63

Showing the top 50 of 64 patents by PatentIndex Score.