Inventor
ICHIHARA KATSUTARO
JP53 patents
Patents
50 patentsUS6602620B1Aug 5, 2003
Magnetic recording apparatus, magnetic recording medium and manufacturing method thereof
TOSHIBA KK221 citations99
US6014296AJan 11, 2000
Magnetic disk, method of manufacturing magnetic disk and magnetic recording apparatus
TOSHIBA KK187 citations99
US6830824B2Dec 14, 2004
Magnetic recording medium with multiple magnetic layers capable of being exchange coupled at elevated temperatures and magnetic recording apparatus
TOSHIBA KK105 citations98
US6750469B2Jun 15, 2004
Phase change nonvolatile storage device and drive circuit
TOSHIBA KK89 citations98
US6636460B2Oct 21, 2003
Thermally-assisted magnetic recording method and thermally-assisted magnetic recorder
TOSHIBA KK87 citations98
US6174597B1Jan 16, 2001
Magnetic recording apparatus
TOSHIBA KK83 citations97
US7042810B2May 9, 2006
Thermally-assisted magnetic recording head, method of manufacturing the same, and thermally-assisted magnetic recording apparatus
TOSHIBA KK60 citations96
US6741524B2May 25, 2004
Thermally-assisted magnetic recording and reproducing device having an electron beam thermal source
TOSHIBA KK57 citations96
US6554972B1Apr 29, 2003
Information recording medium and its manufacturing method
TOSHIBA KK67 citations96
US6396792B1May 28, 2002
Recording method of a phase change optical recording medium and recording apparatus
TOSHIBA KK63 citations96
US6114056ASep 5, 2000
Magnetic element, and magnetic head and magnetic memory device using thereof
TOSHIBA KK56 citations96
US6033536AMar 7, 2000
Magnetron sputtering method and sputtering target
TOSHIBA KK56 citations96
US5652054AJul 29, 1997
Magnetic recording media having a magnetic thin film made of magnetic metals grains and nonmagnetic matrix
TOSHIBA KK56 citations96
US5607599AMar 4, 1997
Method of processing a magnetic thin film
TOSHIBA KK55 citations95
US5560776AOct 1, 1996
Plasma discharge generating antenna
TOSHIBA KK69 citations95
US6826144B1Nov 30, 2004
Optical recording medium, optical recording and/or reproducing method, and optical recording and/or reproducing system
TOSHIBA KK19 citations93
US6493164B1Dec 10, 2002
Magnetic recording apparatus and method of magnetic recording
TOSHIBA KK30 citations93
US6385162B1May 7, 2002
Optical disk
TOSHIBA KK24 citations93
US6339582B1Jan 15, 2002
Optical disk and recording/reproducing method thereof
TOSHIBA KK30 citations93
US6296915B1Oct 2, 2001
Optical recording medium
TOSHIBA KK33 citations93
US6187406B1Feb 13, 2001
Optical disk and optical disk drive
TOSHIBA KK33 citations93
US5981054ANov 9, 1999
Magnetic recording medium and method for manufacturing the same
TOSHIBA KK37 citations93
US5889756AMar 30, 1999
Phase change optical recording medium
TOSHIBA KK46 citations93
US7245576B2Jul 17, 2007
Optical recording medium and optical recording-reproducing method
TOSHIBA KK20 citations92
US7214416B2May 8, 2007
Phase-change optical recording medium
TOSHIBA KK37 citations92
US6240060B1May 29, 2001
Phase change optical recording medium
TOSHIBA KK20 citations92
US6077406AJun 20, 2000
Sputtering system
TOSHIBA KK43 citations92
US5744011AApr 28, 1998
Sputtering apparatus and sputtering method
TOSHIBA KK26 citations92
US7359306B2Apr 15, 2008
Holographic recording medium
TOSHIBA KK14 citations84
US6738335B1May 18, 2004
Optical recording medium, reproducing method, and reproducing apparatus
TOSHIBA KK17 citations84
US6500598B2Dec 31, 2002
Multilevel phase change optical recording medium
TOSHIBA KK15 citations84
US6181650B1Jan 30, 2001
Optical disk drive and super-resolution reproduction method for optical disk
TOSHIBA KK16 citations84
US6805935B2Oct 19, 2004
Optical recording medium
TOSHIBA KK14 citations83
US7455951B2Nov 25, 2008
Information recording medium and its manufacturing method
TOSHIBA KK8 citations74
US7031037B2Apr 18, 2006
Holographic recording medium and holographic recording medium manufacturing method
TOSHIBA KK10 citations74
US6944116B2Sep 13, 2005
Optical information recording medium
TOSHIBA KK9 citations74
US6744717B2Jun 1, 2004
Optical disk and optical disk drive
TOSHIBA KK11 citations74
US6606291B2Aug 12, 2003
Optical disk and optical disk drive
TOSHIBA KK9 citations74
US6154440ANov 28, 2000
Optical disc
TOSHIBA KK10 citations74
US5997978ADec 7, 1999
Phase change optical recording medium and optical recording method
TOSHIBA KK9 citations74
US5780135AJul 14, 1998
Magnetic disc apparatus
TOSHIBA KK8 citations74
US6842419B2Jan 11, 2005
Optical information recording medium and optical disk drive
TOSHIBA KK7 citations73
US7335459B2Feb 26, 2008
Phase-change optical recording medium
TOSHIBA KK7 citations72
US5412627AMay 2, 1995
A magneto-optical recording system including a recording medium having a reversal preventive layer for preventing a magnetization reversal of a bias layer which is magnetostatically coupled to a recording layer
TOSHIBA KK7 citations70
US7626910B2Dec 1, 2009
Optical information recording medium for holographic recording and method of holographic recording in optical information recording medium
TOSHIBA KK2 citations63
US7294382B2Nov 13, 2007
Phase-change optical recording medium
TOSHIBA KK2 citations63
US7110348B2Sep 19, 2006
Optical information recording medium
TOSHIBA KK4 citations63
US7095536B2Aug 22, 2006
Holographic recording medium and holographic recording medium manufacturing method
TOSHIBA KK2 citations63
US7081328B2Jul 25, 2006
Optical disk having super-resolution film
TOSHIBA KK5 citations63
US7767285B2Aug 3, 2010
Phase-change optical recording medium
TOSHIBA KK1 citations52
Showing the top 50 of 53 patents by PatentIndex Score.