Inventor
INABA HIROO
JP56 patents
Patents
50 patentsUS5645917AJul 8, 1997
Magnetic recording medium
FUJI PHOTO FILM CO LTD148 citations99
US5827600AOct 27, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD122 citations98
US5763046AJun 9, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD25 citations96
US5728454AMar 17, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD139 citations95
US5496607AMar 5, 1996
Magnetic recording medium
FUJI PHOTO FILM CO LTD144 citations95
US6429411B1Aug 6, 2002
Magnetic tape processing method and magnetic tape processing apparatus having an optical system
FUJI PHOTO FILM CO LTD29 citations93
US6210775B1Apr 3, 2001
Magnetic recording medium
FUJI PHOTO FILM CO LTD15 citations93
US5455112AOct 3, 1995
Magnetic recording medium
FUJI PHOTO FILM CO LTD27 citations93
US5258223ANov 2, 1993
Magnetic recording medium
FUJI PHOTO FILM CO LTD50 citations93
US5051303ASep 24, 1991
Magnetic recording medium
FUJI PHOTO FILM CO LTD31 citations93
US6579592B1Jun 17, 2003
Magnetic recording tape with controlled Hc and magnetic flux/unit area value and controlled Cl/Fe intensity
FUJI PHOTO FILM CO LTD26 citations92
US6074724AJun 13, 2000
Magnetic recording medium
FUJI PHOTO FILM CO LTD24 citations92
US5075167ADec 24, 1991
Magnetic recording medium
FUJI PHOTO FILM CO LTD31 citations92
US5034271AJul 23, 1991
Magnetic recording medium
FUJI PHOTO FILM CO LTD26 citations92
US5922454AJul 13, 1999
Magnetic recording medium
FUJI PHOTO FILM CO LTD19 citations89
US5489466AFeb 6, 1996
Magnetic recording medium comprising a lower nonmagnetic layer containing a surface coated inorganic powder and an upper magetic layer
FUJI PHOTO FILM CO LTD43 citations89
US6030689AFeb 29, 2000
Magnetic recording medium
FUJI PHOTO FILM CO LTD16 citations84
US6143403ANov 7, 2000
Magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations82
US6025082AFeb 15, 2000
Magnetic recording medium
FUJI PHOTO FILM CO LTD6 citations82
US6020022AFeb 1, 2000
Magnetic recording medium
FUJI PHOTO FILM CO LTD12 citations82
US5985408ANov 16, 1999
Magnetic recording medium
FUJI PHOTO FILM CO LTD6 citations82
US5851622ADec 22, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD15 citations82
US5811172ASep 22, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD12 citations82
US5811166ASep 22, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD14 citations82
US5795646AAug 18, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD12 citations82
US5792543AAug 11, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD15 citations82
US5780141AJul 14, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD13 citations82
US5756148AMay 26, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD15 citations82
US4861674AAug 29, 1989
Magnetic recording medium
FUJI PHOTO FILM CO LTD23 citations81
US6124030ASep 26, 2000
Cleaning medium for magnetic recording devices
FUJI PHOTO FILM CO LTD8 citations74
US6015602AJan 18, 2000
Magnetic recording medium
FUJI PHOTO FILM CO LTD5 citations74
US5908683AJun 1, 1999
Magnetic recording medium
FUJI PHOTO FILM CO LTD13 citations74
US5847905ADec 8, 1998
Cleaning medium for magnetic recording devices, in which the cleaning medium includes a substrate, a lower coating layer containing non-magnetic inorganic particles, and a cleaning area
FUJI PHOTO FILM CO LTD16 citations74
US5804283ASep 8, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD11 citations74
US5672423ASep 30, 1997
Magnetic recording medium having an underlayer containing three different powders
FUJI PHOTO FILM CO LTD14 citations74
US5447782ASep 5, 1995
Magnetic recording medium having a specified thickness relationship between a nonmagnetic underlayer and overcoated magnetic layers
FUJI PHOTO FILM CO LTD18 citations74
US5370932ADec 6, 1994
Magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations74
US5098773AMar 24, 1992
Magnetic recording medium
FUJI PHOTO FILM CO LTD18 citations74
US5089317AFeb 18, 1992
Magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations74
US5085915AFeb 4, 1992
Magnetic recording medium
FUJI PHOTO FILM CO LTD12 citations74
US5080967AJan 14, 1992
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations74
US5051320ASep 24, 1991
Magnetic recording medium
FUJI PHOTO FILM CO LTD14 citations74
US5001006AMar 19, 1991
Magnetic recording medium
FUJI PHOTO FILM CO LTD16 citations74
US5126202AJun 30, 1992
Magnetic recording medium containing ferro magnetic powder, polar group containing resins in a specific ratio and carbon black of a specific size range
FUJI PHOTO FILM CO LTD8 citations73
US6086986AJul 11, 2000
Cleaning medium for magnetic recording devices
FUJI PHOTO FILM CO LTD4 citations63
US5385779AJan 31, 1995
Magnetic recording medium
FUJI PHOTO FILM CO LTD5 citations63
US5178935AJan 12, 1993
Magnetic recording medium
FUJI PHOTO FILM CO LTD6 citations63
US5175048ADec 29, 1992
Magnetic recording medium
FUJI PHOTO FILM CO LTD4 citations63
US5139865AAug 18, 1992
Magnetic recording medium
FUJI PHOTO FILM CO LTD4 citations63
US5073406ADec 17, 1991
Method of producing a magnetic recording medium
FUJI PHOTO FILM CO LTD4 citations63
Showing the top 50 of 56 patents by PatentIndex Score.