Title:
【発明の名称】磁気記録用針状磁性酸化鉄粒子粉末の製造法
Document Type and Number:
Japanese Patent JP2885252
Kind Code:
B2
Inventors:
MORYA TOMOHISA
YAMASHITA KATSUMI
OKA HIROSHI
KAMISHIRO KAZUAKI
YAMASHITA KATSUMI
OKA HIROSHI
KAMISHIRO KAZUAKI
Application Number:
JP8950091A
Publication Date:
April 19, 1999
Filing Date:
March 27, 1991
Export Citation:
Assignee:
TODA KOGYO KK
International Classes:
H01F1/11; C01G49/00; (IPC1-7): H01F1/11; C01G49/00
Domestic Patent References:
| JP5572007A | ||||
| JP63303817A |