Inventor
AONUMA MASASHI
JP57 patents
⚠️ This page may combine multiple inventors who share the name “AONUMA MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
43 patentsUS4020236AApr 26, 1977
Process for producing a magnetic material and magnetic recording medium containing the same
FUJI PHOTO FILM CO LTD51 citations96
US6762429B2Jul 13, 2004
Image and information processor
FUJI PHOTO FILM CO LTD25 citations93
US4847147AJul 11, 1989
Magnetic recording medium
FUJI PHOTO FILM CO LTD32 citations93
US4253886AMar 3, 1981
Corrosion resistant ferromagnetic metal powders and method of preparing the same
FUJI PHOTO FILM CO LTD51 citations93
US4246316AJan 20, 1981
Magnetic recording medium
FUJI PHOTO FILM CO LTD29 citations93
US4096316AJun 20, 1978
Method of producing magnetic material with alkaline borohydrides
FUJI PHOTO FILM CO LTD35 citations93
US4063000ADec 13, 1977
Process for production of ferromagnetic powder
FUJI PHOTO FILM CO LTD49 citations93
US4135016AJan 16, 1979
Magnetic recording material
FUJI PHOTO FILM CO LTD34 citations92
US4076861AFeb 28, 1978
Magnetic recording substance
FUJI PHOTO FILM CO LTD38 citations92
US6906814B1Jun 14, 2005
Interfacing method for network printers
FUJI PHOTO FILM CO LTD16 citations84
US4475946AOct 9, 1984
Ferromagnetic metal particles of iron alloyed with Ti, V, Cr, Mn, Co, Ni, Cu, Zn, Si, P, Mo, Sn, Sb and Ag coated with mono- or dialkoxysilanes
FUJI PHOTO FILM CO LTD25 citations82
US4431712AFeb 14, 1984
Magnetic recording medium of ferromagnetic particles and binder
FUJI PHOTO FILM CO LTD21 citations82
US4141763AFeb 27, 1979
Process for production of ferromagnetic powder and apparatus therefor
FUJI PHOTO FILM CO LTD21 citations82
US4069073AJan 17, 1978
Process for the production of a ferromagnetic metal powder
FUJI PHOTO FILM CO LTD27 citations82
US3966510AJun 29, 1976
Ferromagnetic powder for magnetic recording medium and method for preparation thereof
FUJI PHOTO FILM CO LTD28 citations82
US5126215AJun 30, 1992
Magnetic recording medium having a surface with pores of specified average inlet diameter and wide pore size distribution controlled by calender treatment
FUJI PHOTO FILM CO LTD11 citations74
US5091268AFeb 25, 1992
Magnetic recording medium lubricated by a three component fatty acid ester-fatty acid amide composition
FUJI PHOTO FILM CO LTD12 citations74
US4959263ASep 25, 1990
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4716077ADec 29, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD17 citations74
US4686149AAug 11, 1987
Magnetic recording medium and method of preparing
FUJI PHOTO FILM CO LTD7 citations74
US4604296AAug 5, 1986
Process for production of magnetic recording elements
FUJI PHOTO FILM CO LTD7 citations74
US4437882AMar 20, 1984
Ferromagnetic powder treated with an organic silane compound
FUJI PHOTO FILM CO LTD15 citations74
US4308311ADec 29, 1981
Magnetic recording material
FUJI PHOTO FILM CO LTD19 citations74
US4217152AAug 12, 1980
Process for production of ferromagnetic powder
FUJI PHOTO FILM CO LTD15 citations74
US4059463ANov 22, 1977
Process for producing ferromagnetic powder
FUJI PHOTO FILM CO LTD13 citations74
US4007072AFeb 8, 1977
Ferromagnetic metal powder comprising lead and method for making the same
FUJI PHOTO FILM CO LTD8 citations74
US5795645AAug 18, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations73
US4663209AMay 5, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations73
US4154895AMay 15, 1979
Magnetic recording member
FUJI PHOTO FILM CO LTD12 citations73
US4110503AAug 29, 1978
Magnetic recording members
FUJI PHOTO FILM CO LTD15 citations73
US4101311AJul 18, 1978
Process for producing ferromagnetic metal powder
FUJI PHOTO FILM CO LTD18 citations73
US6149989ANov 21, 2000
Magnetic recording particulate medium
FUJI PHOTO FILM CO LTD8 citations72
US4009111AFeb 22, 1977
Magnetic recording medium
FUJI PHOTO FILM CO LTD13 citations72
US3943012AMar 9, 1976
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations72
US4976989ADec 11, 1990
Method for preparing a magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations70
US7170621B2Jan 30, 2007
Automatic image data transfer system
FUJI PHOTO FILM CO LTD2 citations63
US6939575B2Sep 6, 2005
Ferromagnetic metal powder, producing method of the same, and magnetic recording medium
FUJI PHOTO FILM CO LTD5 citations63
US5233555AAug 3, 1993
Method of erasing residual radiation information on stimulable phosphor sheet
FUJI PHOTO FILM CO LTD5 citations63
US4812351AMar 14, 1989
Magnetic recording medium
FUJI PHOTO FILM CO LTD6 citations63
US4671998AJun 9, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD4 citations63
US4617234AOct 14, 1986
Magnetic recording medium
FUJI PHOTO FILM CO LTD3 citations63
US4309471AJan 5, 1982
Magnetic audio-recording tape
FUJI PHOTO FILM CO LTD6 citations63
US4086374AApr 25, 1978
Production of magnetic recording material
FUJI PHOTO FILM CO LTD5 citations63
SEIKO EPSON CORP
7 patentsUS9898868B2Feb 20, 2018
Display device, method of controlling the same, and program
SEIKO EPSON CORP15 citations84
US9746914B2Aug 29, 2017
Head mounted display, display system, control method of head mounted display, and computer program
SEIKO EPSON CORP3 citations73
US9697417B2Jul 4, 2017
Exercise support system, exercise support apparatus, and exercise support method
SEIKO EPSON CORP3 citations73
US11210521B2Dec 28, 2021
Information processing apparatus, image display apparatus, control method for information processing apparatus and image display apparatus, and computer program
SEIKO EPSON CORP0 citations62
US11176681B2Nov 16, 2021
Image processing apparatus, control method for image processing apparatus, and computer program
SEIKO EPSON CORP1 citations62
US10909370B2Feb 2, 2021
Information processing apparatus, image display apparatus, control method for information processing apparatus and image display apparatus, and computer program
SEIKO EPSON CORP0 citations62
US10664975B2May 26, 2020
Image processing apparatus, control method for image processing apparatus, and computer program for generating a virtual image corresponding to a moving target
SEIKO EPSON CORP1 citations62
Showing the top 50 of 57 patents by PatentIndex Score.