Inventor
ICHIHARA TAKAYUKI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “ICHIHARA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI GLOBAL STORAGE TECH
8 patentsUS7033686B2Apr 25, 2006
Perpendicular magnetic recording medium and method of manufacturing it
HITACHI GLOBAL STORAGE TECH14 citations83
US7923134B2Apr 12, 2011
Perpendicular magnetic recording medium, method of manufacturing the same, and magnetic recording device
HITACHI GLOBAL STORAGE TECH4 citations63
US7556871B2Jul 7, 2009
Magnetic recording medium containing first and second recording layers, each layer containing a columnar structure
HITACHI GLOBAL STORAGE TECH5 citations63
US7645363B2Jan 12, 2010
Manufacturing of magnetic recording medium
HITACHI GLOBAL STORAGE TECH4 citations62
US7625644B2Dec 1, 2009
Perpendicular magnetic recording medium and manufacturing of the same
HITACHI GLOBAL STORAGE TECH0 citations52
US7184236B2Feb 27, 2007
Magnetic hard disk drive
HITACHI GLOBAL STORAGE TECH1 citations52
US7625646B2Dec 1, 2009
Perpendicular magnetic recording medium and method of manufacturing it
HITACHI GLOBAL STORAGE TECH0 citations51
US7641774B2Jan 5, 2010
Manufacturing process for perpendicular magnetic recording medium
HITACHI GLOBAL STORAGE TECH0 citations42