Inventor
SHIMAKAWA KAZUYA
JP25 patents
⚠️ This page may combine multiple inventors who share the name “SHIMAKAWA KAZUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
24 patentsUS7352529B2Apr 1, 2008
Magnetic recording medium and magnetic recording and reproducing device using a magnetic recording layer formed with a predetermined concavo-convex pattern
TDK CORP22 citations92
US7133189B2Nov 7, 2006
Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same and crucible for producing the same
TDK CORP17 citations91
US7821738B2Oct 26, 2010
Magnetic recording medium, stamper recording/reproducing apparatus and method of measuring a parameter
TDK CORP8 citations84
US7800859B2Sep 21, 2010
Recording/reproducing apparatus and tracking servo control method
TDK CORP11 citations84
US7741229B2Jun 22, 2010
Method for manufacturing magnetic recording medium
TDK CORP9 citations84
US7616404B2Nov 10, 2009
Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium
TDK CORP8 citations84
US7423842B2Sep 9, 2008
Magnetic recording medium having servo and data track regions with different arithmetical mean deviations
TDK CORP10 citations84
US7403353B2Jul 22, 2008
Magnetic recording and reproducing system with recording layer having predetermined convex-concave pattern
TDK CORP10 citations84
US7385785B2Jun 10, 2008
Magnetic recording medium and magnetic recording and reproduction apparatus
TDK CORP14 citations84
US7517406B2Apr 14, 2009
Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same and crucible for producing the same
TDK CORP11 citations82
US7333261B2Feb 19, 2008
Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same crucible for producing the same
TDK CORP11 citations82
US7505220B2Mar 17, 2009
Magnetic recording medium, recording/reproducing apparatus, and stamper
TDK CORP7 citations74
US7494727B2Feb 24, 2009
Magnetic recording medium and magnetic recording and reproducing apparatus
TDK CORP7 citations73
US7672075B2Mar 2, 2010
Magnetic recording medium, recording/reproducing apparatus, and stamper
TDK CORP4 citations63
US7604880B2Oct 20, 2009
Information recording medium
TDK CORP2 citations63
US8040633B2Oct 18, 2011
Magnetic head and magnetic recording-reproducing apparatus
TDK CORP2 citations62
US7554760B2Jun 30, 2009
Recording/reproducing apparatus and method of measuring a parameter
TDK CORP6 citations62
US7158340B2Jan 2, 2007
Magnetic recording and reproducing apparatus and magnetic recording medium
TDK CORP5 citations62
US7940494B2May 10, 2011
Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium
TDK CORP0 citations52
US7811077B2Oct 12, 2010
Stamper, imprinting method, and method of manufacturing an information recording medium
TDK CORP1 citations52
US7541106B2Jun 2, 2009
Magnetic recording medium and magnetic recording/reproducing device
TDK CORP0 citations52
US7482070B2Jan 27, 2009
Magnetic recording medium
TDK CORP1 citations52
US7864469B2Jan 4, 2011
Information recording medium, recording/reproducing apparatus, and stamper
TDK CORP0 citations42
US7597972B2Oct 6, 2009
Magnetic recording medium including a patterned intermediate layer and a non-patterned soft magnetic layer and manufacturing method thereof
TDK CORP0 citations42