Inventor
FUJIYAMA MASAAKI
JP119 patents
Patents
50 patentsUS5633068AMay 27, 1997
Abrasive tape having an interlayer for magnetic head cleaning and polishing
FUJI PHOTO FILM CO LTD89 citations96
US5366525ANov 22, 1994
Manufacture of abrasive tape
FUJI PHOTO FILM CO LTD96 citations96
US4324177AApr 13, 1982
Calender roll for supercalender
FUJI PHOTO FILM CO LTD52 citations96
US4135031AJan 16, 1979
Magnetic recording substance
FUJI PHOTO FILM CO LTD58 citations96
US6376057B1Apr 23, 2002
Packaging material for photographic photosensitive material
FUJI PHOTO FILM CO LTD75 citations94
US5611826AMar 18, 1997
Abrasive tape
FUJI PHOTO FILM CO LTD23 citations93
US5456734AOct 10, 1995
Abrasive member
FUJI PHOTO FILM CO LTD23 citations93
US4916024AApr 10, 1990
Magnetic recording medium
FUJI PHOTO FILM CO LTD23 citations93
US4528240AJul 9, 1985
Magnetic recording medium
FUJI PHOTO FILM CO LTD37 citations93
US4474843AOct 2, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD33 citations93
US4439486AMar 27, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD41 citations93
US4414270ANov 8, 1983
Magnetic recording medium
FUJI PHOTO FILM CO LTD33 citations93
US5632789AMay 27, 1997
Abrasive tape
FUJI PHOTO FILM CO LTD19 citations92
US5573444ANov 12, 1996
Polishing method
FUJI PHOTO FILM CO LTD24 citations92
US4617226AOct 14, 1986
Magnetic recording medium
FUJI PHOTO FILM CO LTD32 citations92
US4578311AMar 25, 1986
Magnetic recording medium
FUJI PHOTO FILM CO LTD27 citations92
US4420532ADec 13, 1983
Magnetic recording medium
FUJI PHOTO FILM CO LTD36 citations92
US4138229AFeb 6, 1979
Cleaning tape for magnetic head
FUJI PHOTO FILM CO LTD34 citations92
US4643941AFeb 17, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD22 citations82
US4626469ADec 2, 1986
Magnetic recording material
FUJI PHOTO FILM CO LTD20 citations82
US4546038AOct 8, 1985
Magnetic recording medium
FUJI PHOTO FILM CO LTD21 citations82
US4544601AOct 1, 1985
Magnetic recording medium
FUJI PHOTO FILM CO LTD22 citations82
US4504542AMar 12, 1985
Magnetic recording medium having a subbing layer of amorphous saturated polyesters
FUJI PHOTO FILM CO LTD20 citations82
US4450199AMay 22, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD24 citations82
US4367261AJan 4, 1983
Magnetic recording medium
FUJI PHOTO FILM CO LTD24 citations82
US4343831AAug 10, 1982
Process for producing magnetic recording medium
FUJI PHOTO FILM CO LTD22 citations82
US4310599AJan 12, 1982
Magnetic recording element
FUJI PHOTO FILM CO LTD25 citations82
US4146031AMar 27, 1979
Leader or trailer for a magnetic tape
FUJI PHOTO FILM CO LTD19 citations82
US4337288AJun 29, 1982
Magnetic recording medium
FUJI PHOTO FILM CO LTD27 citations81
US4002804AJan 11, 1977
Magnetic recording material
FUJI PHOTO FILM CO LTD28 citations81
US5711772AJan 27, 1998
Abrasive member
FUJI PHOTO FILM CO LTD9 citations74
US5695386ADec 9, 1997
Cleaning method using abrasive tape
FUJI PHOTO FILM CO LTD14 citations74
US5089330AFeb 18, 1992
Abrasive tape in which a single compound serves to improve dispersion of abrasive particles and also as antistatic and lubricant for the tape
FUJI PHOTO FILM CO LTD10 citations74
US4937098AJun 26, 1990
Method for manufacturing a magnetic recording medium
FUJI PHOTO FILM CO LTD14 citations74
US4922675AMay 8, 1990
Abrasive tape
FUJI PHOTO FILM CO LTD16 citations74
US4844991AJul 4, 1989
Magnetic recording medium and process for the preparation of the same
FUJI PHOTO FILM CO LTD12 citations74
US4840842AJun 20, 1989
Abrasive tape
FUJI PHOTO FILM CO LTD10 citations74
US4767644AAug 30, 1988
Method of making abrasive tape
FUJI PHOTO FILM CO LTD7 citations74
US4761243AAug 2, 1988
Process for the preparation of magnetic paint
FUJI PHOTO FILM CO LTD10 citations74
US4745017AMay 17, 1988
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4743500AMay 10, 1988
Magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations74
US4701364AOct 20, 1987
Tape for cleaning magnetic head
FUJI PHOTO FILM CO LTD14 citations74
US4696859ASep 29, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations74
US4690863ASep 1, 1987
Magnetic recording media and process for producing same
FUJI PHOTO FILM CO LTD11 citations74
US4687704AAug 18, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD12 citations74
US4687703AAug 18, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD11 citations74
US4670333AJun 2, 1987
Magnetic recording media
FUJI PHOTO FILM CO LTD7 citations74
US4668568AMay 26, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD15 citations74
US4652958AMar 24, 1987
Tape for cleaning magnetic head
FUJI PHOTO FILM CO LTD12 citations74
US4612235ASep 16, 1986
Magnetic recording medium
FUJI PHOTO FILM CO LTD13 citations74
Showing the top 50 of 119 patents by PatentIndex Score.