Inventor
MINACHI YOSHIHIKO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “MINACHI YOSHIHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
16 patentsUS6139766AOct 31, 2000
Oxide magnetic material, ferrite particle, sintered magnet, bonded magnet, magnetic recording medium and motor
TDK CORP88 citations97
US6248253B1Jun 19, 2001
Hexagonal ferrite magnets
TDK CORP20 citations92
US6258290B1Jul 10, 2001
Magnet powder, sintered magnet, process for producing them, bonded magnet, motor and magnetic recording medium
TDK CORP29 citations91
US6086781AJul 11, 2000
Magnet powder, sintered magnet, process for producing them, bonded magnet, motor and magnetic recording medium
TDK CORP38 citations91
US6402980B1Jun 11, 2002
Oxide magnetic material, ferrite particles, bonded magnet, sintered magnet, process for producing the same, and magnetic recording medium
TDK CORP46 citations90
US7919007B2Apr 5, 2011
Ferrite magnetic material
TDK CORP8 citations83
US5951937ASep 14, 1999
Preparation of oxide magnetic material
TDK CORP14 citations73
US9589713B2Mar 7, 2017
Sintered ferrite magnet and motor provided therewith
TDK CORP4 citations70
US7879469B2Feb 1, 2011
Ferrite magnet powder, sintered magnet, bond magnet, and magnetic recording medium
TDK CORP3 citations63
US7425280B2Sep 16, 2008
Ferrite magnetic material and process for producing the same
TDK CORP4 citations57
US8033314B2Oct 11, 2011
Method for producing sintered magnet
TDK CORP2 citations56
US9336933B2May 10, 2016
Ferrite magnetic material
TDK CORP0 citations51
US7713433B2May 11, 2010
Ferrite magnetic material and ferrite sintered magnet
TDK CORP0 citations51
US7481947B2Jan 27, 2009
Ferrite magnetic material and ferrite sintered magnet
TDK CORP0 citations51
US9202613B2Dec 1, 2015
Ferrite magnetic material, ferrite magnet, and ferrite sintered magnet
TDK CORP1 citations50
US9627112B2Apr 18, 2017
Sintered ferrite magnet and motor provided therewith
TDK CORP0 citations49