Inventor · disambiguated record
Hiroyuki Awano
Also filed as: AWANO HIROYUKI
32 granted patents·12 pending applications·685 citations·filing 1991–2012
97Inventor score
Top patents by PatentIndex Score
44 records- 0196US5481386AFlying type optical head integrally formed with light source and photodetector and optical disk apparatus with the sameHITACHI LTD·Filed 1994·Granted Jan 2, 1996·67 cites·8 claims
- 0294US5851643AMagnetic recording media and magnetic recording read-back system which uses such mediaHITACHI LTD·Filed 1997·Granted Dec 22, 1998·192 cites·61 claims
- 0392US6893746B1Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatusHITACHI MAXELL·Filed 2000·Granted May 17, 2005·43 cites·37 claims
- 0485US6781926B2Magneto-optical head having heat sink layerHITACHI MAXELL·Filed 2001·Granted Aug 24, 2004·17 cites·30 claims
- 0585US6611487B2Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the sameHITACHI LTD·Filed 2002·Granted Aug 26, 2003·14 cites·9 claims
- 0684US6385141B1Magneto-optical recording method capable of adjusting the sizes magnetic domainHITACHI MAXELL·Filed 2000·Granted May 7, 2002·18 cites·17 claims
- 0783US6628574B1Reproducing method and reproducing apparatus using plural light beam powers for transferring a magnetic domainHITACHI MAXELL·Filed 1999·Granted Sep 30, 2003·45 cites·13 claims
- 0879US6693854B2Reproducing method and reproducing apparatus for magneto-optical recording mediumHITACHI MAXELL·Filed 2003·Granted Feb 17, 2004·11 cites·32 claims
- 0979US6455174B1Magnetic recording medium, recording and reproducing head, and magnetic recording and reproducing methodHITACHI MAXELL·Filed 1999·Granted Sep 24, 2002·28 cites·25 claims
- 1077US6657927B1Optical head and apparatus provided therewithHITACHI MAXELL·Filed 1999·Granted Dec 2, 2003·28 cites·34 claims
- 1177US6633514B1Magneto-optical reproducing method using a plural of different reproducing beamsHITACHI MAXELL·Filed 1999·Granted Oct 14, 2003·25 cites·10 claims
- 1277US5715226AFlying type optical head integrally formed with light source and photodetector and optical disk apparatus with the sameHITACHI LTD·Filed 1995·Granted Feb 3, 1998·19 cites·17 claims
- 1376US5835469AHigh-density information recording/reproducing methodHITACHI LTD·Filed 1995·Granted Nov 10, 1998·24 cites·10 claims
- 1473US7110327B2Magneto-optical recording and reproducing method, using reproducing layer with high saturation magnetizationHITACHI MAXELL·Filed 2002·Granted Sep 19, 2006·8 cites·19 claims
- 1573US6477118B1Method and apparatus for recording and reproducing information by applying field in a direction other than the direction of magnetization or the direction to a surface of an information recording mediumHITACHI MAXELL·Filed 1999·Granted Nov 5, 2002·28 cites·7 claims
- 1669US6185177B1Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the sameHITACHI LTD·Filed 2000·Granted Feb 6, 2001·4 cites·2 claims
- 1768US6424601B1Magneto-optical recording media having an auxiliary magnetic layerHITACHI MAXELL·Filed 1997·Granted Jul 23, 2002·22 cites·45 claims
- 1868US5886969AHigh-density information recording/reproducing methodHITACHI LTD·Filed 1997·Granted Mar 23, 1999·17 cites·7 claims
- 1967US7864637B2Optical disc recording and reproducing apparatus and disc autochangerHITACHI LG DATA STORAGE INC·Filed 2007·Granted Jan 4, 2011·1 cites·26 claims
- 2065US6388954B1Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing sameHITACHI MAXELL·Filed 1999·Granted May 14, 2002·18 cites·11 claims
- 2163US6556516B1Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patternsHITACHI MAXELL·Filed 1997·Granted Apr 29, 2003·13 cites·14 claims
- 2263US5995474AFlying type optical head integrally formed with light source and photodetector and optical disk apparatus with the sameHITACHI LTD·Filed 1997·Granted Nov 30, 1999·16 cites·7 claims
- 2360US6904002B2Magneto-optical reproducing method using a plurality of different reproducing beamsHITACHI MAXELL·Filed 2003·Granted Jun 7, 2005·3 cites·27 claims
- 2459US6584044B2Magneto-optical recording apparatus using multiple magnetic field strengths for recording different mark lengthsHITACHI MAXELL·Filed 2002·Granted Jun 24, 2003·3 cites·7 claims
- 2553US6674693B1Recording method, reproducing method and recording and reproducing apparatus for magneto-optical recording mediumHITACHI MAXELL·Filed 2000·Granted Jan 6, 2004·2 cites·26 claims
- 2651US5909410AOptical magnetic recording medium and optical magnetic reproducing methodHITACHI LTD·Filed 1997·Granted Jun 1, 1999·9 cites·13 claims
- 2749US7434241B2Recording and reproducing apparatus of thin optical discHITACHI MAXELL·Filed 2005·Granted Oct 7, 2008·0 cites·6 claims
- 2846US2004246877A1Magneto-optical head having heat sink layerHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 2945US8850282B2Verifying device, imaging device having verifying function, and verifying methodPANASONIC CORP·Filed 2012·Granted Sep 30, 2014·0 cites·10 claims
- 3045US6301199B1Magneto-optical recording medium and recording/reproducing apparatus therefor in which recorded magnetic domains are transferred from the recording layer to the reproducing layerSANYO ELECTRIC CO·Filed 1998·Granted Oct 9, 2001·6 cites·12 claims
- 3144US2005240953A1Information recording and reproducing apparatusHITACHI MAXELL·Filed 2005·Application pending·0 cites
- 3242US6847590B2Magneto-optical recording medium including a calibration magnetic domain recorded in a predetermined pattern in a recording layerSANYO ELECTRIC CO·Filed 2001·Granted Jan 25, 2005·0 cites·3 claims
- 3342US2003107956A1Magneto-optical recording medium having different magnetic domain radii in recording layer and reproduction layerHITACHI MAXELL·Filed 2002·Application pending·0 cites
- 3442US2005201222A1Driving method of flexible recording discHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 3541US2005276211A1Information recording medium and manufacturing processHIROTSUNE AKEMI·Filed 2005·Application pending·0 cites
- 3641US2002018404A1Magneto-optical recording medium having different magnetic domain radii in recording layer and reproduction layerHITACHI MAXELL·Filed 2001·Application pending·0 cites
- 3740US5263015AMagneto-optical recording media and overwrite recording method using the sameHITACHI LTD·Filed 1991·Granted Nov 16, 1993·4 cites·12 claims
- 3840US2005069731A1Magneto-optical recording mediumHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 3940US2005052956A1Method for determining reproducing light beam intensity and recording and reproducing apparatusHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 4039US2004196745A1Magneto-optical recording medium and method for producing magneto-optical recording mediumHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 4138US2001007722A1Magneto-optical recording mediumHITACHI MAXELL·Filed 2001·Application pending·0 cites
- 4237US2004130974A1Magnetooptic recording medium and reproducing method thereforFiled 2002·Application pending·0 cites
- 4331US8676026B2Data recording apparatusFUJIMOTO NAOKI·Filed 2011·Granted Mar 18, 2014·0 cites·9 claims
- 4431US2001012244A1Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the sameFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →