Inventor
AKASHI GORO
JP62 patents
Patents
50 patentsUS4543275ASep 24, 1985
Method of forming thin vapor deposited film of organic material
FUJI PHOTO FILM CO LTD105 citations96
US4200680AApr 29, 1980
Process for preparing magnetic iron oxide and magnetic iron oxide produced thereby
FUJI PHOTO FILM CO LTD56 citations96
US4135031AJan 16, 1979
Magnetic recording substance
FUJI PHOTO FILM CO LTD58 citations96
US5348811ASep 20, 1994
Recording medium and method of performing recording/producing on the recording medium
FUJI PHOTO FILM CO LTD33 citations93
US4439795AMar 27, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD29 citations93
US4414270ANov 8, 1983
Magnetic recording medium
FUJI PHOTO FILM CO LTD33 citations93
US4368237AJan 11, 1983
Process for producing magnetic recording device
FUJI PHOTO FILM CO LTD42 citations93
US4260466AApr 7, 1981
Method of producing magnetic recording medium
FUJI PHOTO FILM CO LTD46 citations93
US4076890AFeb 28, 1978
Magnetic recording medium
FUJI PHOTO FILM CO LTD46 citations93
US4486496ADec 4, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD34 citations92
US4442159AApr 10, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD46 citations92
US4636898AJan 13, 1987
Multichannel magnetic head
FUJI PHOTO FILM CO LTD20 citations82
US4588656AMay 13, 1986
Method of preparing a magnetic recording medium
FUJI PHOTO FILM CO LTD25 citations82
US4547393AOct 15, 1985
Method for preparing a magnetic recording medium
FUJI PHOTO FILM CO LTD20 citations82
US4451501AMay 29, 1984
Method of making a magnetic recording medium
FUJI PHOTO FILM CO LTD18 citations82
US4450199AMay 22, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD24 citations82
US4407853AOct 4, 1983
Process for producing a magnetic recording medium
FUJI PHOTO FILM CO LTD26 citations82
US4403002ASep 6, 1983
Vacuum evaporating apparatus
FUJI PHOTO FILM CO LTD17 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
US4091158AMay 23, 1978
Magnetic recording members
FUJI PHOTO FILM CO LTD21 citations82
US4015030AMar 29, 1977
Process for stabilization of ferromagnetic material and magnetic recording member
FUJI PHOTO FILM CO LTD21 citations82
US3966510AJun 29, 1976
Ferromagnetic powder for magnetic recording medium and method for preparation thereof
FUJI PHOTO FILM CO LTD28 citations82
US4002804AJan 11, 1977
Magnetic recording material
FUJI PHOTO FILM CO LTD28 citations81
US4267207AMay 12, 1981
Process for producing cobalt-containing ferromagnetic iron oxide powder
FUJI PHOTO FILM CO LTD22 citations79
US4748592AMay 31, 1988
Recording and reproducing method by a change in composition on a solid surface
FUJI PHOTO FILM CO LTD12 citations74
US4666773AMay 19, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD14 citations74
US4520069AMay 28, 1985
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4513054AApr 23, 1985
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4501225AFeb 26, 1985
Apparatus for making a magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4482578ANov 13, 1984
Method for preparing magnetic recording media
FUJI PHOTO FILM CO LTD7 citations74
US4476177AOct 9, 1984
Magnetic tape having a leader tape
FUJI PHOTO FILM CO LTD15 citations74
US4442171AApr 10, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD13 citations74
US4439796AMar 27, 1984
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4414271ANov 8, 1983
Magnetic recording medium and method of preparation thereof
FUJI PHOTO FILM CO LTD17 citations74
US4409281AOct 11, 1983
Magnetic recording medium
FUJI PHOTO FILM CO LTD14 citations74
US4397911AAug 9, 1983
Cleaning tape
FUJI PHOTO FILM CO LTD13 citations74
US4391851AJul 5, 1983
Process for producing a magnetic recording medium
FUJI PHOTO FILM CO LTD16 citations74
US4388368AJun 14, 1983
Magnetic recording media
FUJI PHOTO FILM CO LTD17 citations74
US4388360AJun 14, 1983
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4273797AJun 16, 1981
Method of detecting pinholes in a magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations74
US4242783AJan 6, 1981
Calender roll for use in super calender for magnetic tapes
FUJI PHOTO FILM CO LTD16 citations74
US4187341AFeb 5, 1980
Magnetic recording tape
FUJI PHOTO FILM CO LTD11 citations74
US4135032AJan 16, 1979
Magnetic recording medium
FUJI PHOTO FILM CO LTD14 citations74
US4117190ASep 26, 1978
Magnetic recording medium
FUJI PHOTO FILM CO LTD17 citations74
US4068040AJan 10, 1978
Magnetic recording members
FUJI PHOTO FILM CO LTD14 citations74
US4059463ANov 22, 1977
Process for producing ferromagnetic powder
FUJI PHOTO FILM CO LTD13 citations74
US4003743AJan 18, 1977
Process for production of motion picture film with sound track containing p-toluenesulfonic acid and glacial acetic acid
FUJI PHOTO FILM CO LTD7 citations74
US4678682AJul 7, 1987
Process for producing magnetic recording medium
FUJI PHOTO FILM CO LTD12 citations73
US4071654AJan 31, 1978
Magnetic recording member
FUJI PHOTO FILM CO LTD12 citations73
Showing the top 50 of 62 patents by PatentIndex Score.