Inventor
KAWAHARA SETSUKO
JP16 patents
Patents
16 patentsUS5151323ASep 29, 1992
Magnetic recording medium and manufacturing method thereof
KONISHIROKU PHOTO IND29 citations92
US5093192AMar 3, 1992
Magnetic recording medium
KONISHIROKU PHOTO IND23 citations92
US5051291ASep 24, 1991
Magnetic recording medium
KONISHIROKU PHOTO IND38 citations92
US5336559AAug 9, 1994
Magnetic recording medium
KONISHIROKU PHOTO IND14 citations74
US5188907AFeb 23, 1993
Magnetic recording medium
KONISHIROKU PHOTO IND13 citations73
US5097792AMar 24, 1992
Coating apparatus
KONISHIROKU PHOTO IND19 citations73
US5035856AJul 30, 1991
Magnetic recording medium
KONISHIROKU PHOTO IND12 citations73
US5026598AJun 25, 1991
Magnetic recording medium
KONISHIROKU PHOTO IND15 citations73
US4992330AFeb 12, 1991
Magnetic recording medium
KONISHIROKU PHOTO IND12 citations73
US5098785AMar 24, 1992
Magnetic recording medium containing a copolymer having an anionic functional group which forms an intermolecular salt
KONISHIROKU PHOTO IND7 citations72
US5084335AJan 28, 1992
Magnetic recording medium comprising upper and lower magnetic layers
KONISHIROKU PHOTO IND12 citations71
US5093193AMar 3, 1992
Magnetic recording medium and method of making it
KONISHIROKU PHOTO IND5 citations63
US5116683AMay 26, 1992
Magnetic recording medium containing a specified ferromagnetic powder, polyurethane resin prepared from specified branched chain diols and a fatty acid ester
KONISHIROKU PHOTO IND4 citations61
US5089333AFeb 18, 1992
Magnetic recording medium
KONISHIROKU PHOTO IND1 citations52
US5482762AJan 9, 1996
Magnetic recording medium
KONISHIROKU PHOTO IND0 citations47
US5496614AMar 5, 1996
Magnetic recording medium
KONISHIROKU PHOTO IND0 citations41