Method of producing magnetic powder and method of producing magnetic recording medium

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United States of America Patent

PATENT NO 11830533
APP PUB NO 20210027807A1
SERIAL NO

17043452

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Abstract

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[Solving Means] A method of producing a magnetic powder includes: coating a surface of each of silica-coated precursor particles with at least one type of coating agent of a metal chloride or a sulfate; and firing the precursor particles coated with the coating agent.

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Patent Owner(s)

Patent OwnerAddress
SONY CORPORATION1-7-1 KONAN MINATO-KU TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Satoru Miyagi, JP 87 425
Akimoto, Yuta Miyagi, JP 3 15
Fujisawa, Norikatsu Miyagi, JP 5 20
Maeshima, Katsunori Miyagi, JP 23 126
Muramatu, Atsushi Miyagi, JP 1 2
Nakaya, Masafumi Miyagi, JP 4 9
Terakawa, Masaru Miyagi, JP 38 334
Toyosawa, Natsuki Miyagi, JP 2 3

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