Inventor
TAKEKUMA IKUKO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “TAKEKUMA IKUKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI GLOBAL STORAGE TECH
12 patentsUS7368185B2May 6, 2008
Perpendicular magnetic recording media and magnetic storage apparatus using the same
HITACHI GLOBAL STORAGE TECH35 citations92
US6916557B2Jul 12, 2005
Perpendicular magnetic recording media
HITACHI GLOBAL STORAGE TECH12 citations84
US7033686B2Apr 25, 2006
Perpendicular magnetic recording medium and method of manufacturing it
HITACHI GLOBAL STORAGE TECH14 citations83
US7701667B2Apr 20, 2010
Perpendicular magnetic recording medium and magnetic storage apparatus using the same
HITACHI GLOBAL STORAGE TECH3 citations63
US7618722B2Nov 17, 2009
Perpendicular magnetic recording media and magnetic storage apparatus using the same
HITACHI GLOBAL STORAGE TECH3 citations63
US7641989B2Jan 5, 2010
Perpendicular magnetic recording medium for high density recording and manufacturing of the same
HITACHI GLOBAL STORAGE TECH3 citations62
US7457064B2Nov 25, 2008
Perpendicular magnetic recording medium, method of evaluating magnetic properties of the same
HITACHI GLOBAL STORAGE TECH4 citations62
US7651795B2Jan 26, 2010
Perpendicular magnetic recording medium and manufacturing of the same
HITACHI GLOBAL STORAGE TECH1 citations52
US7625644B2Dec 1, 2009
Perpendicular magnetic recording medium and manufacturing of the same
HITACHI GLOBAL STORAGE TECH0 citations52
US7534507B2May 19, 2009
Perpendicular magnetic recording medium for high density magnetic recording and manufacturing of the same
HITACHI GLOBAL STORAGE TECH1 citations52
US7510789B2Mar 31, 2009
Perpendicular magnetic recording media
HITACHI GLOBAL STORAGE TECH0 citations52
US7625646B2Dec 1, 2009
Perpendicular magnetic recording medium and method of manufacturing it
HITACHI GLOBAL STORAGE TECH0 citations51