Inventor
TSUCHIYAMA RYUJI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “TSUCHIYAMA RYUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS6493188B1Dec 10, 2002
Magnetic disc apparatus having slider which reduces variation in lift-up caused by change in air pressure
HITACHI LTD22 citations92
US6373661B1Apr 16, 2002
Magnetic head slider and a magnetic disk device in which the slider is mounted
HITACHI LTD14 citations92
US6633455B2Oct 14, 2003
Slider capable of reducing distance between head element and recording medium, and recording apparatus incorporating same
HITACHI LTD9 citations74
US6597537B2Jul 22, 2003
Magnetic head slider and a magnetic disk device in which the slider is mounted
HITACHI LTD8 citations73
US6452751B1Sep 17, 2002
Magnetic head slider and a magnetic disk device in which the slider is mounted
HITACHI LTD7 citations73
US6785095B2Aug 31, 2004
Magnetic disc apparatus with slider having specified location of action point of equivalent load
HITACHI LTD5 citations63
US6985334B2Jan 10, 2006
Magnetic head slider and a magnetic disk device in which the slider is mounted
HITACHI LTD2 citations62
US6961201B2Nov 1, 2005
Magnetic disk apparatus
HITACHI LTD3 citations62
US6597536B2Jul 22, 2003
Magnetic head slider
HITACHI LTD6 citations59
US7936536B2May 3, 2011
Magnetic recording medium having lands with curved upper surfaces and magnetic recording and reproducing apparatus
HITACHI LTD1 citations47
HITACHI GLOBAL STORAGE TECH
5 patentsUS6963464B2Nov 8, 2005
Magnetic head heating element in a disk drive
HITACHI GLOBAL STORAGE TECH67 citations98
US7474504B2Jan 6, 2009
Magnetic head heating element in a disk drive
HITACHI GLOBAL STORAGE TECH7 citations74
US7072146B2Jul 4, 2006
Magnetic head slider and a magnetic disk device in which the slider is mounted
HITACHI GLOBAL STORAGE TECH8 citations73
US7042678B2May 9, 2006
Magnetic head slider and magnetic disc unit
HITACHI GLOBAL STORAGE TECH5 citations63
US7385786B2Jun 10, 2008
Magnetic head slider and a magnetic disk device in which the slider is mounted
HITACHI GLOBAL STORAGE TECH2 citations62