Inventor
ISHII KAZUTAKA
JP8 patents
Patents
8 patentsUS11014826B2May 25, 2021
Ferrite particles, resin composition and resin film
POWDERTECH CO LTD2 citations71
US10825593B2Nov 3, 2020
Ni—Zn—Cu ferrite particle, resin composition, and resin molding
POWDERTECH CO LTD3 citations71
US10564561B2Feb 18, 2020
Ferrite carrier core material for electrophotographic developer, ferrite carrier for electrophotographic developer, electrophotographic developer, and method for manufacturing ferrite carrier core material for electrophotographic developer
POWDERTECH CO LTD2 citations71
US11651881B2May 16, 2023
Mn—Zn ferrite particles, resin molded body, soft magnetic mixed powder, and magnetic core
POWDERTECH CO LTD0 citations61
US11542174B2Jan 3, 2023
Ferrite particles, resin compositions and electromagnetic wave shielding material
POWDERTECH CO LTD0 citations61
US11521768B2Dec 6, 2022
Ferrite powder, resin composition, and molded body
POWDERTECH CO LTD0 citations61
US11952286B2Apr 9, 2024
Mn ferrite powder, resin composition, electromagnetic wave shielding material, electronic material, and electronic component
POWDERTECH CO LTD0 citations59
US10775711B2Sep 15, 2020
Ferrite carrier core material for electrophotographic developer, ferrite carrier for electrophotographic developer, electrophotographic developer, and method for manufacturing ferrite carrier core material for electrophotographic developer
POWDERTECH CO LTD0 citations39