Inventor · disambiguated record
Katsuhisa Aratani
Also filed as: ARATANI KATSUHISA · ARATANI KATSUHISA ARATANI
112 granted patents·12 pending applications·1,321 citations·filing 1987–2022
99Inventor score
Files withSONY CORP93SONY SEMICONDUCTOR SOLUTIONS CORP6YASUDA SHUICHIRO4ARATANI KATSUHISA3FURUYAMETALS CO LTD3
Top patents by PatentIndex Score
124 records- 0197US6356524B2Method of recording/reproducing an information signalSONY CORP·Filed 2001·Granted Mar 12, 2002·52 cites·6 claims
- 0296US9615173B2Information processing system and storage mediumSONY CORP·Filed 2013·Granted Apr 4, 2017·42 cites·17 claims
- 0395US7425724B2Memory device and method of production and method of use of same and semiconductor device and method of production of sameSONY CORP·Filed 2005·Granted Sep 16, 2008·25 cites·6 claims
- 0495US6788635B1Optical recording medium, optical recording method, optical reproducing method, optical recording device, optical reproducing device, and optical recording/reproducing deviceSONY CORP·Filed 2000·Granted Sep 7, 2004·62 cites·21 claims
- 0594US5168482AMagnetooptical recording and playback method employing multi-layer recording medium with record holding layer and playback layerSONY CORP·Filed 1990·Granted Dec 1, 1992·78 cites·5 claims
- 0693US7145791B2Memory device having variable resistive memory elementSONY CORP·Filed 2005·Granted Dec 5, 2006·32 cites·3 claims
- 0792US7344822B2Resist material and nanofabrication methodSONY CORP·Filed 2006·Granted Mar 18, 2008·10 cites·19 claims
- 0892US7009208B2Memory device and method of production and method of use of same and semiconductor device and method of production of sameSONY CORP·Filed 2003·Granted Mar 7, 2006·47 cites·5 claims
- 0991US7307270B2Memory element and memory deviceSONY CORP·Filed 2005·Granted Dec 11, 2007·26 cites·4 claims
- 1090US7175962B2Resist material and nanofabrication methodSONY CORP·Filed 2003·Granted Feb 13, 2007·23 cites·2 claims
- 1190US4878132AThermomagnetic recording method applying power modulated laser on a magnetically coupled multi-layer structure of perpendicular anisotropy magnetic filmSONY CORP·Filed 1988·Granted Oct 31, 1989·43 cites·6 claims
- 1288US8427860B2Memory component, memory device, and method of operating memory deviceOHBA KAZUHIRO·Filed 2011·Granted Apr 23, 2013·10 cites·22 claims
- 1388US7345908B2Memory deviceSONY CORP·Filed 2006·Granted Mar 18, 2008·21 cites·4 claims
- 1488US6228457B1Optical data storage mediumFURUYAMETALS CO LTD·Filed 1999·Granted May 8, 2001·62 cites·6 claims
- 1588US5018119AMethod for reproducing signal using an external magnetic field from magneto-optical recording medium having three magnetic layersSONY CORP·Filed 1988·Granted May 21, 1991·37 cites·4 claims
- 1687US8981325B2Memory device and storage apparatusARATANI KATSUHISA·Filed 2010·Granted Mar 17, 2015·6 cites·16 claims
- 1787US8884397B2Memory device and storage apparatusARATANI KATSUHISA·Filed 2010·Granted Nov 11, 2014·6 cites·7 claims
- 1885US7560724B2Storage device with reversible resistance change elementsSONY CORP·Filed 2005·Granted Jul 14, 2009·18 cites·11 claims
- 1985US7560220B2Resist material and nanofabrication methodSONY CORP·Filed 2008·Granted Jul 14, 2009·4 cites·19 claims
- 2085US7092278B2Memory deviceSONY CORP·Filed 2005·Granted Aug 15, 2006·18 cites·8 claims
- 2185US5241520ASystem and method of reproducing signals recorded on a magneto-optic recording mediumSONY CORP·Filed 1991·Granted Aug 31, 1993·40 cites·28 claims
- 2284US6262962B1Method of and apparatus for recording/reproducing information signal, recording/reproducing head device, memory medium, and head element and manufacture thereofSONY CORP·Filed 2000·Granted Jul 17, 2001·11 cites·1 claims
- 2381US7433220B2Two variable resistance elements being formed into a laminated layer with a common electrode and method of driving the sameSONY CORP·Filed 2005·Granted Oct 7, 2008·13 cites·13 claims
- 2481US6049521AOptical recording medium and method for producing sameSONY CORP·Filed 1997·Granted Apr 11, 2000·35 cites·10 claims
- 2581US4955007AThermomagnetic recording method applying power modulated laser on a magnetically coupled double layer structure of perpendicular anisotropy filmSONY CORP·Filed 1987·Granted Sep 4, 1990·26 cites·5 claims
- 2680US11018189B2Storage apparatusSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2018·Granted May 25, 2021·3 cites·16 claims
- 2780US7719082B2Memory device and storage apparatusSONY CORP·Filed 2004·Granted May 18, 2010·22 cites·6 claims
- 2880US6723281B1Metal material for electronic parts, electronic parts, electronic apparatuses, and method of processing metal materialsSONY CORP·Filed 2000·Granted Apr 20, 2004·28 cites·22 claims
- 2979US9058873B2Memory element having ion source layers with different contents of a chalcogen elementSHIMUTA MASAYUKI·Filed 2012·Granted Jun 16, 2015·8 cites·12 claims
- 3079US8914236B2Mobile object, system, and storage mediumSONY CORP·Filed 2013·Granted Dec 16, 2014·3 cites·13 claims
- 3179US8295074B2Memory cellYASUDA SHUICHIRO·Filed 2008·Granted Oct 23, 2012·11 cites·19 claims
- 3279US7427431B2Write once optical recording mediumSONY CORP·Filed 2005·Granted Sep 23, 2008·3 cites·8 claims
- 3378US9277178B2Information processing system and storage mediumSONY CORP·Filed 2013·Granted Mar 1, 2016·3 cites·18 claims
- 3477US9616901B2Mobile object, system, and storage mediumC/O SONY CORP·Filed 2015·Granted Apr 11, 2017·2 cites·20 claims
- 3577US8569732B2Memory element and memory deviceYASUDA SHUICHIRO·Filed 2011·Granted Oct 29, 2013·5 cites·16 claims
- 3677US7675053B2Memory device comprising a memory layer and a metal chalcogenide ion-source layerSONY CORP·Filed 2006·Granted Mar 9, 2010·3 cites·20 claims
- 3777US6501725B2Method of recording/reproducing an information signalSONY CORP·Filed 2001·Granted Dec 31, 2002·7 cites·6 claims
- 3876US7715220B2Memory apparatusSONY CORP·Filed 2007·Granted May 11, 2010·10 cites·5 claims
- 3976US7184295B2Memory deviceSONY CORP·Filed 2005·Granted Feb 27, 2007·10 cites·7 claims
- 4076US6249503B1Method of and apparatus for recording/reproducing an information signal, recording/reproducing head device, memory medium, and head elementSONY CORP·Filed 1998·Granted Jun 19, 2001·30 cites·18 claims
- 4175US10186658B2Memory device and method of manufacturing memory deviceSONY SEMICONDUCTOR SOLUTIONS CORP·Filed 2013·Granted Jan 22, 2019·5 cites·19 claims
- 4275US9088723B2Server, client terminal, and programSONY CORP·Filed 2013·Granted Jul 21, 2015·2 cites·20 claims
- 4373US8730709B2Memory component, memory device, and method of operating memory deviceSONY CORP·Filed 2013·Granted May 20, 2014·3 cites·14 claims
- 4473US7786459B2Memory element and memory device comprising memory layer positioned between first and second electrodesSONY CORP·Filed 2005·Granted Aug 31, 2010·7 cites·6 claims
- 4573US7198700B2Thin film formation use sputtering target material, thin film formed using same, and optical recording mediumFURUYAMETALS CO LTD·Filed 2005·Granted Apr 3, 2007·1 cites·2 claims
- 4673US6272083B1Method of and apparatus for recording/reproducing information signal, recording/reproducing head device. Memory medium, and head element and manufacture thereofSONY CORP·Filed 2000·Granted Aug 7, 2001·19 cites·1 claims
- 4772US7126152B2Storage deviceSONY CORP·Filed 2004·Granted Oct 24, 2006·18 cites·17 claims
- 4872US6537637B2Multilayer optical diskSONY CORP·Filed 2001·Granted Mar 25, 2003·6 cites·19 claims
- 4972US6063468AOptical recording mediumSONY CORP·Filed 1998·Granted May 16, 2000·42 cites·14 claims
- 5072US5448538AElectromagnet coils having a different inductance during magneto-optical recording and reproducingSONY CORP·Filed 1994·Granted Sep 5, 1995·19 cites·4 claims
Showing the top 50 of 124 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →