Inventor · disambiguated record
Yoshinori Miyamura
Also filed as: MIYAMURA YOSHINORI
26 granted patents·1,173 citations·filing 1980–2003
98Inventor score
Top patents by PatentIndex Score
26 records- 0198US5390061AMultilayer magnetoresistance effect-type magnetic headHITACHI LTD·Filed 1991·Granted Feb 14, 1995·156 cites·27 claims
- 0297US4357616ARecording mediumHITACHI LTD·Filed 1980·Granted Nov 2, 1982·72 cites·13 claims
- 0395US6687099B2Magnetic head with conductors formed on endlayers of a multilayer film having magnetic layer coercive force differenceHITACHI LTD·Filed 2002·Granted Feb 3, 2004·33 cites·10 claims
- 0494US5766718ALongitudinal magnetic recording medium and apparatusHITACHI LTD·Filed 1994·Granted Jun 16, 1998·70 cites·28 claims
- 0594US5726837AMultilayer magnetoresistance effect-type magnetic headHITACHI LTD·Filed 1994·Granted Mar 10, 1998·43 cites·24 claims
- 0693US6294723B2Photovoltaic device, photovoltaic module and establishing method of photovoltaic systemHITACHI LTD·Filed 1999·Granted Sep 25, 2001·156 cites·20 claims
- 0793US5568331AMethod of head positioning and magnetic recording disk drive using the sameHITACHI LTD·Filed 1990·Granted Oct 22, 1996·67 cites·22 claims
- 0892US6323415B1Light concentrator photovoltaic module method of manufacturing same and light concentrator photovoltaic systemHITACHI LTD·Filed 1999·Granted Nov 27, 2001·182 cites·21 claims
- 0991US5325244AMagnetic recording data storage systemHITACHI LTD·Filed 1992·Granted Jun 28, 1994·55 cites·12 claims
- 1089US6011674AMagnetoresistance effect multilayer film with ferromagnetic film sublayers of different ferromagnetic material compositionsHITACHI LTD·Filed 1996·Granted Jan 4, 2000·33 cites·6 claims
- 1186US6483677B2Magnetic disk apparatus including magnetic head having multilayered reproducing element using tunneling effectHITACHI LTD·Filed 2001·Granted Nov 19, 2002·11 cites·6 claims
- 1285US5093822AHigh-density magnetic recording and optical reproducing apparatusHITACHI LTD·Filed 1990·Granted Mar 3, 1992·39 cites·16 claims
- 1385US5020041AMagneto-optical memory apparatus having a floating magnetic headHITACHI LTD·Filed 1988·Granted May 28, 1991·31 cites·23 claims
- 1480US5411430AScanning optical device and method for making a hybrid scanning lens used thereforHITACHI LTD·Filed 1992·Granted May 2, 1995·31 cites·10 claims
- 1579US6278593B1Magnetoresistance effect elements and magnetic heads using the tunneling magnetoresistive effectHITACHI LTD·Filed 1999·Granted Aug 21, 2001·17 cites·64 claims
- 1678US5235591AStack type optical disc apparatus, sealed and separate type optical head therefor and optical disc mediumHITACHI LTD·Filed 1991·Granted Aug 10, 1993·27 cites·34 claims
- 1775US5372843AProcess for producing a magnetic recording medium using a patterned diffusion barrierHITACHI LTD·Filed 1992·Granted Dec 13, 1994·23 cites·11 claims
- 1875US5270987AMagneto-optical recording and reproducing method, magneto-optical memory apparatus and magneto-optical recording medium thereforHITACHI LTD·Filed 1990·Granted Dec 14, 1993·22 cites·53 claims
- 1972US5330880AProcess for producing optical disksHITACHI LTD·Filed 1992·Granted Jul 19, 1994·35 cites·12 claims
- 2069US7054120B2Magnetic apparatus with perpendicular recording medium and head having multilayered reproducing element using tunneling effectHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 30, 2006·7 cites·7 claims
- 2167US4407880ASubstrate of member for recording information with light and method of manufacturing the sameHITACHI LTD·Filed 1980·Granted Oct 4, 1983·13 cites·15 claims
- 2264US4889757AOptical recording diskHITACHI LTD·Filed 1987·Granted Dec 26, 1989·12 cites·34 claims
- 2357US5736235AMagnetic recording medium having at least two magnetic layers with easy axes oriented in the same directionHITACHI LTD·Filed 1991·Granted Apr 7, 1998·16 cites·15 claims
- 2454US5814400AMagneto-optical recording medium and methodHITACHI LTD·Filed 1991·Granted Sep 29, 1998·10 cites·41 claims
- 2543US5179546AMagneto-optical disk and process for manufacturing the sameHITACHI LTD·Filed 1990·Granted Jan 12, 1993·5 cites·8 claims
- 2641US4348461ARecording memberHITACHI LTD·Filed 1980·Granted Sep 7, 1982·7 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →