Inventor
SHIRATA MASASHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “SHIRATA MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIFILM CORP
23 patentsUS9748026B2Aug 29, 2017
Hexagonal ferrite magnetic powder for magnetic recording, method for producing hexagonal ferrite magnetic particles, and magnetic recording medium
FUJIFILM CORP103 citations97
US7974467B2Jul 5, 2011
Image-taking system
FUJIFILM CORP7 citations73
US11721461B2Aug 8, 2023
Particles of magnetoplumbite-type hexagonal ferrite, method for manufacturing the same, and radio wave absorber
FUJIFILM CORP2 citations72
US11222661B2Jan 11, 2022
Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatus
FUJIFILM CORP2 citations72
US11170812B2Nov 9, 2021
Magnetic recording medium including specified compound, magnetic recording and reproducing apparatus, and composition for magnetic recording medium
FUJIFILM CORP2 citations72
US10734144B2Aug 4, 2020
Production method for metal oxide particles, metal oxide powder, and magnetic recording medium
FUJIFILM CORP2 citations72
US10102874B2Oct 16, 2018
Method of manufacturing hexagonal ferrite powder, hexagonal ferrite powder, and magnetic recording medium
FUJIFILM CORP2 citations72
US9957167B2May 1, 2018
Method of manufacturing hexagonal ferrite powder, hexagonal ferrite powder, magnetic recording medium and method of manufacturing magnetic recording medium
FUJIFILM CORP2 citations72
US12160984B2Dec 3, 2024
Radio wave absorber
FUJIFILM CORP0 citations62
US11705156B2Jul 18, 2023
Hexagonal strontium ferrite powder, magnetic recording medium, and magnetic recording and reproducing apparatus
FUJIFILM CORP0 citations62
US11459244B2Oct 4, 2022
Particles of β-iron oxyhydroxide-based compound, manufacturing method of the same, manufacturing method of particles of ϵ-iron oxide-based compound, and manufacturing method of magnetic recording medium
FUJIFILM CORP0 citations62
US11348711B2May 31, 2022
Core-shell particle, fired product of core-shell particle, manufacturing method of core-shell particle, epsilon type iron oxide-based compound particle, manufacturing method of epsilon type iron oxide-based compound particle, magnetic recording medium, and manufacturing method of magnetic recording medium
FUJIFILM CORP0 citations62
US11090716B2Aug 17, 2021
ϵ-iron oxide type ferromagnetic powder and magnetic recording medium
FUJIFILM CORP1 citations62
US10373638B2Aug 6, 2019
Hexagonal ferrite powder and magnetic recording medium
FUJIFILM CORP1 citations62
US7651782B2Jan 26, 2010
Method for producing metallic nanoparticles, metallic nanoparticles, and dispersion of the same
FUJIFILM CORP2 citations62
US11100949B2Aug 24, 2021
Magnetic recording medium
FUJIFILM CORP0 citations52
US7990057B2Aug 2, 2011
Surface emitting-type electroluminescent device
FUJIFILM CORP0 citations52
US11562839B2Jan 24, 2023
Core-shell particle and manufacturing method and fired product of the same, epsilon type iron oxide compound particle and manufacturing method of the same, and magnetic recording medium and manufacturing method of the same
FUJIFILM CORP0 citations51
US11488627B2Nov 1, 2022
Ferromagnetic powder for magnetic recording and magnetic recording medium
FUJIFILM CORP0 citations51
US11244701B2Feb 8, 2022
Hexagonal strontium ferrite powder for magnetic recording and magnetic recording medium
FUJIFILM CORP0 citations51
US9773518B2Sep 26, 2017
Magnetic recording medium
FUJIFILM CORP0 citations51
US9589585B2Mar 7, 2017
Magnetic powder for magnetic recording, magnetic recording medium, and method of manufacturing magnetic powder for magnetic recording
FUJIFILM CORP0 citations51
US9589584B2Mar 7, 2017
Magnetic powder for magnetic recording, magnetic recording medium, and method of manufacturing magnetic powder for magnetic recording
FUJIFILM CORP0 citations51