Inventor
NAKAMOTO KAZUHIRO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “NAKAMOTO KAZUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI GLOBAL STORAGE TECH
13 patentsUS7532433B2May 12, 2009
Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it
HITACHI GLOBAL STORAGE TECH51 citations98
US7221538B2May 22, 2007
Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it
HITACHI GLOBAL STORAGE TECH30 citations93
US7679862B2Mar 16, 2010
Perpendicular recording head with reduced thermal protrusion
HITACHI GLOBAL STORAGE TECH20 citations92
US7599151B2Oct 6, 2009
Magnetic head with laminated side shields
HITACHI GLOBAL STORAGE TECH40 citations92
US7158351B2Jan 2, 2007
Magnetic recording and reproducing head restraining a side reading
HITACHI GLOBAL STORAGE TECH18 citations92
US6967823B2Nov 22, 2005
Magnetic recording head
HITACHI GLOBAL STORAGE TECH32 citations92
US7505232B2Mar 17, 2009
Magnetic head with side shield and manufacturing method thereof
HITACHI GLOBAL STORAGE TECH9 citations81
US7145750B2Dec 5, 2006
Perpendicular magnetic recording head and perpendicular magnetic recording and reproducing system
HITACHI GLOBAL STORAGE TECH7 citations74
US7054106B2May 30, 2006
Magnetic head and magnetic storage apparatus
HITACHI GLOBAL STORAGE TECH9 citations74
US6926974B2Aug 9, 2005
Perpendicular magnetic recording medium and magnetic storage apparatus
HITACHI GLOBAL STORAGE TECH10 citations74
US7813079B2Oct 12, 2010
Thin film perpendicular magnetic recording head, their fabrication process and magnetic disk drive using it
HITACHI GLOBAL STORAGE TECH3 citations63
US7405905B2Jul 29, 2008
Perpendicular magnetic recording and reproducing head
HITACHI GLOBAL STORAGE TECH2 citations63
US7348078B2Mar 25, 2008
Perpendicular magnetic recording medium and magnetic storage apparatus
HITACHI GLOBAL STORAGE TECH2 citations63
HITACHI LTD
11 patentsUS5936810AAug 10, 1999
Magnetoresistive effect head
HITACHI LTD53 citations96
US6456466B1Sep 24, 2002
Magnetic head with shield layer having discontinuous multi-layer or mixed layer and magnetic recording apparatus utilizing the magnetic head
HITACHI LTD29 citations92
US6141190AOct 31, 2000
Magnetoresistive effect head
HITACHI LTD38 citations92
US5590008ADec 31, 1996
Magnetic disc unit having a plurality of magnetic heads which include multilayer magnetic films
HITACHI LTD52 citations92
US6275360B1Aug 14, 2001
Read-write head
HITACHI LTD45 citations91
US6693774B2Feb 17, 2004
Magnetoresistive sensor and magnetic storage apparatus
HITACHI LTD11 citations74
US6545847B2Apr 8, 2003
Magnetoresistive effect head
HITACHI LTD9 citations74
US6507465B1Jan 14, 2003
Magnetoresistive effect head
HITACHI LTD7 citations74
US5969896AOct 19, 1999
Magnetic recording/reproducing device with a function of correcting waveform of magnetoresistive-effect head
HITACHI LTD14 citations74
US6643105B2Nov 4, 2003
Magnetic head having magnetic shield layers
HITACHI LTD9 citations73
US6731478B2May 4, 2004
Magnetoresistive effect head
HITACHI LTD5 citations63