Inventor · disambiguated record
Katsutaro Ichihara
Also filed as: HAYASE RUMIKO · ICHIHARA KATSUTARO · ICHIHARA LEGAL REPRESENTATIVE · KIHARA NAOKO
60 granted patents·13 pending applications·1,924 citations·filing 1993–2007
99Inventor score
Top patents by PatentIndex Score
73 records- 0198US6602620B1Magnetic recording apparatus, magnetic recording medium and manufacturing method thereofTOSHIBA KK·Filed 1999·Granted Aug 5, 2003·221 cites·23 claims
- 0298US6014296AMagnetic disk, method of manufacturing magnetic disk and magnetic recording apparatusTOSHIBA KK·Filed 1996·Granted Jan 11, 2000·187 cites·10 claims
- 0397US6830824B2Magnetic recording medium with multiple magnetic layers capable of being exchange coupled at elevated temperatures and magnetic recording apparatusTOSHIBA KK·Filed 2001·Granted Dec 14, 2004·105 cites·32 claims
- 0497US6636460B2Thermally-assisted magnetic recording method and thermally-assisted magnetic recorderTOSHIBA KK·Filed 2000·Granted Oct 21, 2003·87 cites·20 claims
- 0595US7042810B2Thermally-assisted magnetic recording head, method of manufacturing the same, and thermally-assisted magnetic recording apparatusTOSHIBA KK·Filed 2001·Granted May 9, 2006·60 cites·16 claims
- 0695US6741524B2Thermally-assisted magnetic recording and reproducing device having an electron beam thermal sourceTOSHIBA KK·Filed 2000·Granted May 25, 2004·57 cites·18 claims
- 0794US7214416B2Phase-change optical recording mediumTOSHIBA KK·Filed 2004·Granted May 8, 2007·37 cites·7 claims
- 0894US6750469B2Phase change nonvolatile storage device and drive circuitTOSHIBA KK·Filed 2002·Granted Jun 15, 2004·89 cites·18 claims
- 0994US6554972B1Information recording medium and its manufacturing methodTOSHIBA KK·Filed 1999·Granted Apr 29, 2003·67 cites·4 claims
- 1091US6396792B1Recording method of a phase change optical recording medium and recording apparatusTOSHIBA KK·Filed 1999·Granted May 28, 2002·63 cites·18 claims
- 1190US7455951B2Information recording medium and its manufacturing methodTOSHIBA KK·Filed 2006·Granted Nov 25, 2008·8 cites·2 claims
- 1290US6493164B1Magnetic recording apparatus and method of magnetic recordingTOSHIBA KK·Filed 2000·Granted Dec 10, 2002·30 cites·14 claims
- 1390US5560776APlasma discharge generating antennaTOSHIBA KK·Filed 1994·Granted Oct 1, 1996·69 cites·20 claims
- 1487US6826144B1Optical recording medium, optical recording and/or reproducing method, and optical recording and/or reproducing systemTOSHIBA KK·Filed 2000·Granted Nov 30, 2004·19 cites·16 claims
- 1586US7245576B2Optical recording medium and optical recording-reproducing methodTOSHIBA KK·Filed 2004·Granted Jul 17, 2007·20 cites·22 claims
- 1686US5889756APhase change optical recording mediumTOSHIBA KK·Filed 1997·Granted Mar 30, 1999·46 cites·17 claims
- 1786US5652054AMagnetic recording media having a magnetic thin film made of magnetic metals grains and nonmagnetic matrixTOSHIBA KK·Filed 1995·Granted Jul 29, 1997·56 cites·20 claims
- 1885US6187406B1Optical disk and optical disk driveTOSHIBA KK·Filed 1998·Granted Feb 13, 2001·33 cites·6 claims
- 1985US6114056AMagnetic element, and magnetic head and magnetic memory device using thereofTOSHIBA KK·Filed 1998·Granted Sep 5, 2000·56 cites·21 claims
- 2084US6174597B1Magnetic recording apparatusTOSHIBA KK·Filed 1997·Granted Jan 16, 2001·83 cites·23 claims
- 2183US7110348B2Optical information recording mediumTOSHIBA KK·Filed 2005·Granted Sep 19, 2006·4 cites·5 claims
- 2283US6738335B1Optical recording medium, reproducing method, and reproducing apparatusTOSHIBA KK·Filed 2000·Granted May 18, 2004·17 cites·23 claims
- 2382US6805935B2Optical recording mediumTOSHIBA KK·Filed 2003·Granted Oct 19, 2004·14 cites·16 claims
- 2482US6033536AMagnetron sputtering method and sputtering targetTOSHIBA KK·Filed 1996·Granted Mar 7, 2000·56 cites·15 claims
- 2581US7359306B2Holographic recording mediumTOSHIBA KK·Filed 2004·Granted Apr 15, 2008·14 cites·10 claims
- 2680US6744717B2Optical disk and optical disk driveTOSHIBA KK·Filed 2003·Granted Jun 1, 2004·11 cites·5 claims
- 2780US6296915B1Optical recording mediumTOSHIBA KK·Filed 1999·Granted Oct 2, 2001·33 cites·14 claims
- 2879US6339582B1Optical disk and recording/reproducing method thereofTOSHIBA KK·Filed 1999·Granted Jan 15, 2002·30 cites·15 claims
- 2978US7031037B2Holographic recording medium and holographic recording medium manufacturing methodTOSHIBA KK·Filed 2004·Granted Apr 18, 2006·10 cites·11 claims
- 3078US6606291B2Optical disk and optical disk driveTOSHIBA KK·Filed 2001·Granted Aug 12, 2003·9 cites·9 claims
- 3178US5981054AMagnetic recording medium and method for manufacturing the sameTOSHIBA KK·Filed 1997·Granted Nov 9, 1999·37 cites·18 claims
- 3277US7294382B2Phase-change optical recording mediumTOSHIBA KK·Filed 2006·Granted Nov 13, 2007·2 cites·15 claims
- 3377US7291375B2Phase-change optical recording mediumTOSHIBA KK·Filed 2006·Granted Nov 6, 2007·2 cites·12 claims
- 3477US6077406ASputtering systemTOSHIBA KK·Filed 1999·Granted Jun 20, 2000·43 cites·14 claims
- 3576US7095536B2Holographic recording medium and holographic recording medium manufacturing methodTOSHIBA KK·Filed 2006·Granted Aug 22, 2006·2 cites·6 claims
- 3676US6944116B2Optical information recording mediumTOSHIBA KK·Filed 2002·Granted Sep 13, 2005·9 cites·6 claims
- 3774US6385162B1Optical diskTOSHIBA KK·Filed 1999·Granted May 7, 2002·24 cites·19 claims
- 3873US7254106B2Method and equipment for storing holographic dataTOSHIBA KK·Filed 2004·Granted Aug 7, 2007·9 cites·20 claims
- 3971US7767285B2Phase-change optical recording mediumTOSHIBA KK·Filed 2007·Granted Aug 3, 2010·1 cites·2 claims
- 4069US7335459B2Phase-change optical recording mediumTOSHIBA KK·Filed 2003·Granted Feb 26, 2008·7 cites·18 claims
- 4169US6842419B2Optical information recording medium and optical disk driveTOSHIBA KK·Filed 2002·Granted Jan 11, 2005·7 cites·6 claims
- 4269US5607599AMethod of processing a magnetic thin filmTOSHIBA KK·Filed 1995·Granted Mar 4, 1997·55 cites·18 claims
- 4368US6240060B1Phase change optical recording mediumTOSHIBA KK·Filed 1999·Granted May 29, 2001·20 cites·17 claims
- 4466US7357969B2Phase-change optical recording mediumTOSHIBA KK·Filed 2004·Granted Apr 15, 2008·6 cites·9 claims
- 4566US7132147B2Phase-change optical recording mediumTOSHIBA KK·Filed 2004·Granted Nov 7, 2006·4 cites·14 claims
- 4664US7081328B2Optical disk having super-resolution filmTOSHIBA KK·Filed 2001·Granted Jul 25, 2006·5 cites·14 claims
- 4764US6500598B2Multilevel phase change optical recording mediumTOSHIBA KK·Filed 1998·Granted Dec 31, 2002·15 cites·13 claims
- 4863US6181650B1Optical disk drive and super-resolution reproduction method for optical diskTOSHIBA KK·Filed 1998·Granted Jan 30, 2001·16 cites·8 claims
- 4963US5744011ASputtering apparatus and sputtering methodTOSHIBA KK·Filed 1996·Granted Apr 28, 1998·26 cites·12 claims
- 5056US7270916B2Recording mediumTOSHIBA KK·Filed 2004·Granted Sep 18, 2007·4 cites·19 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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