Inventor
HOSOE YUZURU
JP60 patents
⚠️ This page may combine multiple inventors who share the name “HOSOE YUZURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
39 patentsUS6221508B1Apr 24, 2001
Magnetic recording media
HITACHI LTD47 citations96
US5815343ASep 29, 1998
Magnetic recording medium, process for producing the same and magnetic recording system
HITACHI LTD77 citations96
US6057021AMay 2, 2000
Magnetic recording media and magnetic recording system using the same
HITACHI LTD42 citations95
US5750230AMay 12, 1998
Magnetic recording media and magnetic recording system using the same
HITACHI LTD44 citations95
US6773826B2Aug 10, 2004
Perpendicular magnetic recording media and magnetic storage apparatus using the same
HITACHI LTD24 citations93
US6723457B2Apr 20, 2004
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
HITACHI LTD32 citations93
US6569545B1May 27, 2003
Magnetic recording medium and a magnetic storage apparatus
HITACHI LTD24 citations93
US6001447ADec 14, 1999
Longitudinal magnetic recording media and magnetic storage apparatus using the same
HITACHI LTD34 citations93
US5922456AJul 13, 1999
Longitudal magnetic recording medium having a multi-layered underlayer and magnetic storage apparatus using such magnetic recording medium
HITACHI LTD38 citations93
US5759681AJun 2, 1998
Magnetic recording medium and magnetic recording system using the same
HITACHI LTD53 citations93
US6403240B1Jun 11, 2002
Magnetic recording media and magnetic recording system using the same
HITACHI LTD35 citations92
US6372367B1Apr 16, 2002
Magnetic recording medium, method for producing the same and magnetic recording apparatus using the same
HITACHI LTD20 citations92
US6177208B1Jan 23, 2001
Magnetic recording system and magnetic recording medium used therefor
HITACHI LTD24 citations92
US6080476AJun 27, 2000
Magnetic recording medium and magnetic recording system using such a magnetic recording medium
HITACHI LTD32 citations92
US5998040ADec 7, 1999
Multilayer which shows magnetoresistive effect and magnetoresistive element using the same
HITACHI LTD49 citations92
US5723198AMar 3, 1998
Multi-layered magnetic recording medium and magnetic recording system employing the same
HITACHI LTD29 citations92
US5650889AJul 22, 1997
Magnetic recording medium containing heavy rare gas atoms, and a magnetic transducing system using the medium
HITACHI LTD40 citations92
US4581579AApr 8, 1986
Optical magnetic-field measuring apparatus having improved temperature characteristics
HITACHI LTD43 citations92
US6544667B1Apr 8, 2003
Magnetic recording medium, producing method of the same and magnetic recording system
HITACHI LTD17 citations84
US6509111B1Jan 21, 2003
Magnetic recording media and magnetic disk apparatus
HITACHI LTD16 citations83
US5919581AJul 6, 1999
Magnetic recording system and magnetic recording medium used therefor
HITACHI LTD16 citations81
US6815083B2Nov 9, 2004
Perpendicular magnetic recording medium and process of production thereof
HITACHI LTD8 citations74
US6808824B2Oct 26, 2004
Perpendicular magnetic recording media
HITACHI LTD9 citations74
US6613428B2Sep 2, 2003
Magnetic recording medium and magnetic recording and reproducing apparatus wherein the magnetic layer has a fluctuation of field; A or Hf of not less than 30 Oersteds
HITACHI LTD4 citations74
US6583958B1Jun 24, 2003
Magnetic recording medium and magnetic storage system using same
HITACHI LTD11 citations74
US6574060B2Jun 3, 2003
Magnetic storage apparatus
HITACHI LTD9 citations74
US6544672B1Apr 8, 2003
Magnetic recording medium and magnetic storage
HITACHI LTD12 citations74
US6310748B1Oct 30, 2001
Magnetic thin film magnetic recording medium
HITACHI LTD5 citations74
US6251532B1Jun 26, 2001
Magnetic recording medium and magnetic storage device using the same
HITACHI LTD11 citations74
US6197367B1Mar 6, 2001
Magnetic recording medium, method of fabricating magnetic recording medium, and magnetic storage
HITACHI LTD13 citations74
US4622264ANov 11, 1986
Garnet film for magnetic bubble memory element
HITACHI LTD7 citations74
US6852432B2Feb 8, 2005
Magnetic recording media and magnetic disk apparatus
HITACHI LTD9 citations73
US6596420B2Jul 22, 2003
Magnetic recording media and magnetic recording system using the same
HITACHI LTD12 citations73
US5906884AMay 25, 1999
Magnetic recording medium
HITACHI LTD13 citations72
US6924048B2Aug 2, 2005
Magnetic recording medium and a magnetic storage apparatus
HITACHI LTD4 citations63
US6846577B2Jan 25, 2005
Magnetic recording medium possessing a fluctuation field of not less than 30 Oe
HITACHI LTD2 citations63
US6623873B1Sep 23, 2003
Magnetic recording medium and magnetic disk apparatus using the same
HITACHI LTD4 citations63
US6605374B2Aug 12, 2003
Magnetic recording medium and magnetic recording system using such a magnetic recording medium
HITACHI LTD3 citations63
US6403242B1Jun 11, 2002
Magnetic recording medium and magnetic recording system using such a magnetic recording medium
HITACHI LTD2 citations63
HITACHI GLOBAL STORAGE TECH
11 patentsUS7368185B2May 6, 2008
Perpendicular magnetic recording media and magnetic storage apparatus using the same
HITACHI GLOBAL STORAGE TECH35 citations92
US7056604B2Jun 6, 2006
Magnetic recording media and magnetic recording system using the same
HITACHI GLOBAL STORAGE TECH11 citations84
US6709768B2Mar 23, 2004
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium
HITACHI GLOBAL STORAGE TECH13 citations84
US7153546B2Dec 26, 2006
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
HITACHI GLOBAL STORAGE TECH6 citations74
US7041393B2May 9, 2006
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
HITACHI GLOBAL STORAGE TECH7 citations74
US7618722B2Nov 17, 2009
Perpendicular magnetic recording media and magnetic storage apparatus using the same
HITACHI GLOBAL STORAGE TECH3 citations63
US7556871B2Jul 7, 2009
Magnetic recording medium containing first and second recording layers, each layer containing a columnar structure
HITACHI GLOBAL STORAGE TECH5 citations63
US7182974B2Feb 27, 2007
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium
HITACHI GLOBAL STORAGE TECH3 citations63
US7050253B2May 23, 2006
Magnetic recording media and magnetic storage apparatus using the same
HITACHI GLOBAL STORAGE TECH4 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
Showing the top 50 of 60 patents by PatentIndex Score.