Inventor · disambiguated record
Keiichiro Yusu
Also filed as: YUSU KEIICHIRO
34 granted patents·23 pending applications·633 citations·filing 1994–2012
97Inventor score
Top patents by PatentIndex Score
57 records- 0194US7214416B2Phase-change optical recording mediumTOSHIBA KK·Filed 2004·Granted May 8, 2007·37 cites·7 claims
- 0294US6554972B1Information recording medium and its manufacturing methodTOSHIBA KK·Filed 1999·Granted Apr 29, 2003·67 cites·4 claims
- 0390US7455951B2Information recording medium and its manufacturing methodTOSHIBA KK·Filed 2006·Granted Nov 25, 2008·8 cites·2 claims
- 0490US5534355AArtificial multilayer and method of manufacturing the sameTOSHIBA KK·Filed 1995·Granted Jul 9, 1996·52 cites·52 claims
- 0586US7245576B2Optical recording medium and optical recording-reproducing methodTOSHIBA KK·Filed 2004·Granted Jul 17, 2007·20 cites·22 claims
- 0686US5889756APhase change optical recording mediumTOSHIBA KK·Filed 1997·Granted Mar 30, 1999·46 cites·17 claims
- 0786US5616370AArtificial multilayer and method of manufacturing the sameTOSHIBA KK·Filed 1996·Granted Apr 1, 1997·39 cites·9 claims
- 0885US7542404B2Optical recording mediaTOSHIBA KK·Filed 2005·Granted Jun 2, 2009·6 cites·22 claims
- 0985US6114056AMagnetic element, and magnetic head and magnetic memory device using thereofTOSHIBA KK·Filed 1998·Granted Sep 5, 2000·56 cites·21 claims
- 1084US6174597B1Magnetic recording apparatusTOSHIBA KK·Filed 1997·Granted Jan 16, 2001·83 cites·23 claims
- 1183US7110348B2Optical information recording mediumTOSHIBA KK·Filed 2005·Granted Sep 19, 2006·4 cites·5 claims
- 1282US6805935B2Optical recording mediumTOSHIBA KK·Filed 2003·Granted Oct 19, 2004·14 cites·16 claims
- 1381US7858166B2Phase change recording mediumTOSHIBA KK·Filed 2007·Granted Dec 28, 2010·4 cites·16 claims
- 1480US6296915B1Optical recording mediumTOSHIBA KK·Filed 1999·Granted Oct 2, 2001·33 cites·14 claims
- 1578US5981054AMagnetic recording medium and method for manufacturing the sameTOSHIBA KK·Filed 1997·Granted Nov 9, 1999·37 cites·18 claims
- 1677US7294382B2Phase-change optical recording mediumTOSHIBA KK·Filed 2006·Granted Nov 13, 2007·2 cites·15 claims
- 1777US7291375B2Phase-change optical recording mediumTOSHIBA KK·Filed 2006·Granted Nov 6, 2007·2 cites·12 claims
- 1876US6944116B2Optical information recording mediumTOSHIBA KK·Filed 2002·Granted Sep 13, 2005·9 cites·6 claims
- 1974US7510753B2Phase-change optical recording mediaTOSHIBA KK·Filed 2005·Granted Mar 31, 2009·2 cites·13 claims
- 2072US5585196AMagnetoresistance effect elementTOSHIBA KK·Filed 1994·Granted Dec 17, 1996·31 cites·34 claims
- 2171US7767285B2Phase-change optical recording mediumTOSHIBA KK·Filed 2007·Granted Aug 3, 2010·1 cites·2 claims
- 2269US7335459B2Phase-change optical recording mediumTOSHIBA KK·Filed 2003·Granted Feb 26, 2008·7 cites·18 claims
- 2369US6842419B2Optical information recording medium and optical disk driveTOSHIBA KK·Filed 2002·Granted Jan 11, 2005·7 cites·6 claims
- 2468US6240060B1Phase change optical recording mediumTOSHIBA KK·Filed 1999·Granted May 29, 2001·20 cites·17 claims
- 2566US7357969B2Phase-change optical recording mediumTOSHIBA KK·Filed 2004·Granted Apr 15, 2008·6 cites·9 claims
- 2666US7132147B2Phase-change optical recording mediumTOSHIBA KK·Filed 2004·Granted Nov 7, 2006·4 cites·14 claims
- 2761US5773156AMagnetoresistance effect elementTOSHIBA KK·Filed 1996·Granted Jun 30, 1998·17 cites·20 claims
- 2859US2009268580A1Master recording apparatus, master recording method, master for stamper containing heat-sensitive resist material, and method of forming film of heat-sensitiveTOSHIBA KK·Filed 2009·Application pending·0 cites
- 2956US2006275577A1Phase-change optical recording mediumTOSHIBA KK·Filed 2006·Application pending·0 cites
- 3055US8077586B2Optical recording head device, optical recording apparatus, and recording methodWATABE KAZUO·Filed 2008·Granted Dec 13, 2011·0 cites·6 claims
- 3154US2009196157A1Information recording mediumTOSHIBA KK·Filed 2009·Application pending·0 cites
- 3253US2009196148A1Master recording apparatus and master recording methodTOSHIBA KK·Filed 2009·Application pending·0 cites
- 3353US2009196142A1Information recording medium, information recording method, and information recording and reproducing apparatusTOSHIBA KK·Filed 2009·Application pending·0 cites
- 3452US7736715B2Optical recording medium, and information recording/playback apparatus and method using the mediumTOSHIBA KK·Filed 2006·Granted Jun 15, 2010·0 cites·20 claims
- 3552US7643397B2Phase-change optical recording media and optical recording-reproducing apparatusTOSHIBA KK·Filed 2005·Granted Jan 5, 2010·0 cites·9 claims
- 3652US5997978APhase change optical recording medium and optical recording methodTOSHIBA KK·Filed 1997·Granted Dec 7, 1999·9 cites·19 claims
- 3752US2009109809A1Laser drive device and information recording/reproducing apparatus using the deviceTOSHIBA KK·Filed 2008·Application pending·0 cites
- 3852US2009196138A1Information recording apparatus and control method thereofTOSHIBA KK·Filed 2009·Application pending·0 cites
- 3952US2009141760A1Drive control apparatus and drive control method of semiconductor laserTOSHIBA KK·Filed 2008·Application pending·0 cites
- 4052US2009109816A1Optical disc apparatus and optical disc processing methodTOSHIBA KK·Filed 2008·Application pending·0 cites
- 4152US2009109815A1Optical disc device and optical disc processing methodTOSHIBA KK·Filed 2008·Application pending·0 cites
- 4251US2008151728A1Optical disc and optical disc deviceTOSHIBA KK·Filed 2007·Application pending·0 cites
- 4350US2007298207A1Single-sided, multilayered optical disc, BCA recording apparatus, BCA recording method, and optical disc apparatusYUSU KEIICHIRO·Filed 2007·Application pending·0 cites
- 4449US2007230321A1Optical disk and optical disk deviceOOMACHI NORITAKE·Filed 2007·Application pending·0 cites
- 4548US8989525B2Light deflecting elementKAMIGUCHI YUUZO·Filed 2012·Granted Mar 24, 2015·0 cites·4 claims
- 4648US2007248785A1Optical recording medium, information recording and reproducing apparatus, and information recording and reproducing methodNAKAI TSUKASA·Filed 2007·Application pending·0 cites
- 4747US7011876B2Optical recording mediumTOSHIBA KK·Filed 2004·Granted Mar 14, 2006·0 cites·19 claims
- 4847US2006280066A1Information storage medium, medium processing apparatus, and medium processing methodYUSU KEIICHIRO·Filed 2006·Application pending·0 cites
- 4945US2003152867A1Information recording medium and its manufacturing methodTOSHIBA KK·Filed 2003·Application pending·0 cites
- 5045US2006068151A1Optical recording mediaASHIDA SUMIO·Filed 2005·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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