Inventor
MATSUKUMA HIROKI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MATSUKUMA HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
10 patentsUS7649713B2Jan 19, 2010
Thin-film magnetic head with heating element and heatsink
TDK CORP22 citations92
US7623322B2Nov 24, 2009
Thin-film magnetic head with heater spaced further from medium facing surface than split in shield
TDK CORP28 citations92
US7443633B2Oct 28, 2008
Thin-film magnetic head for perpendicular magnetic recording and manufacturing method of thin-film magnetic head
TDK CORP45 citations92
US7724474B2May 25, 2010
Thin-film magnetic head comprising contact pad including portions of closure and substrate and magnetic recording apparatus comprising the head
TDK CORP8 citations83
US7924533B2Apr 12, 2011
Multi-channel head
TDK CORP3 citations62
US7604910B2Oct 20, 2009
Exposure mask, method of forming resist pattern and method of forming thin film pattern
TDK CORP2 citations62
US7583479B2Sep 1, 2009
Thin-film magnetic head with heater in overcoat multilayer, head gimbal assembly with thin-film magnetic head, and magnetic disk drive apparatus with head gimbal assembly
TDK CORP6 citations62
US7173786B2Feb 6, 2007
Magnetic disk drive apparatus and method for compensating characteristics of magnetic disk drive apparatus
TDK CORP5 citations62
US7158340B2Jan 2, 2007
Magnetic recording and reproducing apparatus and magnetic recording medium
TDK CORP5 citations62
US7221529B2May 22, 2007
Magnetic head driving circuit and magnetic disk device
TDK CORP4 citations60