Inventor · disambiguated record
Tetsuhiro Sakamoto
Also filed as: SAKAMOTO TETSUHIRO
29 granted patents·17 pending applications·243 citations·filing 1994–2023
96Inventor score
Top patents by PatentIndex Score
46 records- 0195US7138164B2Optical recording mediumSONY CORP·Filed 2005·Granted Nov 21, 2006·28 cites·23 claims
- 0288US7790263B2Ag alloy reflective film for optical information recording medium, optical information recording medium and Ag alloy sputtering target for forming Ag alloy reflective film for optical information recording mediumSONY CORP·Filed 2006·Granted Sep 7, 2010·9 cites·14 claims
- 0388US6353592B1Optical recording medium and optical disk deviceSONY CORP·Filed 1998·Granted Mar 5, 2002·52 cites·36 claims
- 0485US6613396B1Optical disc and method for manufacturing sameSONY CORP·Filed 2000·Granted Sep 2, 2003·18 cites·2 claims
- 0583US7843796B2Optical information recording medium and method of marking BCA (burst cutting area) into the sameSONY CORP·Filed 2007·Granted Nov 30, 2010·5 cites·8 claims
- 0680US8379503B2Optical information recording reproduction apparatus and optical information recording reproduction methodSONY CORP·Filed 2011·Granted Feb 19, 2013·5 cites·5 claims
- 0780US7038998B2Optical recording disk having land and groove wobbled at outer circumference sideSONY CORP·Filed 2002·Granted May 2, 2006·13 cites·4 claims
- 0878US7720766B2Digital data selling and buying transaction system, auxiliary digital data selling and buying system, digital data selling and buying transaction method, auxiliary digital data selling and buying method, and digital data selling and buying transaction apparatusSONY CORP·Filed 2008·Granted May 18, 2010·5 cites·10 claims
- 0978US5726970AMulti-layer optical recording mediumSONY CORP·Filed 1995·Granted Mar 10, 1998·31 cites·20 claims
- 1072US6349086B2Optical disc and method for manufacturing sameSONY CORP·Filed 1999·Granted Feb 19, 2002·20 cites·8 claims
- 1172US5448538AElectromagnet coils having a different inductance during magneto-optical recording and reproducingSONY CORP·Filed 1994·Granted Sep 5, 1995·19 cites·4 claims
- 1269US6731589B2Substrate for optical recording media, optical recording medium, manufacturing process for optical recording media, and optical recording/reproducing methodSONY CORP·Filed 2000·Granted May 4, 2004·7 cites·24 claims
- 1368US9536543B2Information processing device, storage medium, and methodSONY CORP·Filed 2014·Granted Jan 3, 2017·2 cites·19 claims
- 1467US8187689B2Optical recording medium having write once metal reflective filmSAKAMOTO TETSUHIRO·Filed 2007·Granted May 29, 2012·1 cites·6 claims
- 1562US6944100B2Method for reproducing information data from a magneto-optical storage medium in reverse direction with recordingSONY CORP·Filed 2003·Granted Sep 13, 2005·4 cites·24 claims
- 1661US2008199602A1Method for manufacturing magneto-optical recording mediumSONY CORP·Filed 2008·Application pending·0 cites
- 1759US2008102318A1Magneto-optical recording medium and its manufacturing methodSONY CORP·Filed 2007·Application pending·0 cites
- 1857US7060373B2Magneto-optical recording medium and signal reproduction methodSONY CORP·Filed 2004·Granted Jun 13, 2006·3 cites·2 claims
- 1957US6309726B1Optical recording mediumSONY CORP·Filed 1999·Granted Oct 30, 2001·12 cites·38 claims
- 2057US2002165828A1Digital data dealing systemFiled 2001·Application pending·0 cites
- 2155US6751166B2Phase error detection method for magnetic wall displacement type of magneto-optical recording deviceSONY CORP·Filed 2001·Granted Jun 15, 2004·2 cites·16 claims
- 2254US2025324840A1Display apparatusSONY GROUP CORP·Filed 2023·Application pending·0 cites
- 2353US7911929B2Optical disk read only memorySONY CORP·Filed 2008·Granted Mar 22, 2011·0 cites·3 claims
- 2453US7423939B2Method for manufacturing magneto-optical recording mediumSONY CORP·Filed 2004·Granted Sep 9, 2008·1 cites·8 claims
- 2552US8634287B2Method for manufacturing read-only optical disc medium and read-only optical disc mediumSAKAMOTO TETSUHIRO·Filed 2008·Granted Jan 21, 2014·0 cites·15 claims
- 2652US2009262640A1Optical disc manufacturing method, disc master manufacturing method, and optical discSONY CORP·Filed 2009·Application pending·0 cites
- 2751US2010074094A1Optical information recording medium, method for manufacturing optical information recording medium, and bca (burst cutting area) marking methodKOBE STEEL LTD·Filed 2007·Application pending·0 cites
- 2850US2009080312A1Read-only optical disc medium and method of manufacturing sameSONY CORP·Filed 2007·Application pending·0 cites
- 2949US7972673B2Optical recording mediumSONY CORP·Filed 2006·Granted Jul 5, 2011·0 cites·6 claims
- 3046US6869655B1Optical recording mediumSONY CORP·Filed 2000·Granted Mar 22, 2005·6 cites·24 claims
- 3145US8305870B2Optical information recording method, optical information reproducing method, optical information recording apparatus, and optical information recording and reproducing apparatusSAKAMOTO TETSUHIRO·Filed 2011·Granted Nov 6, 2012·0 cites·9 claims
- 3244US7517436B2Magneto-optical recording medium and manufacturing method thereofSONY CORP·Filed 2003·Granted Apr 14, 2009·0 cites·15 claims
- 3343US2005099908A1Playback apparatus and method, and optical disk playerSONY CORP·Filed 2004·Application pending·0 cites
- 3442US8565057B2Multilayer optical recording mediumSAKAMOTO TETSUHIRO·Filed 2011·Granted Oct 22, 2013·0 cites·4 claims
- 3542US8526284B2Multilayer optical recording medium with interfacial surfacesSAKAMOTO TETSUHIRO·Filed 2011·Granted Sep 3, 2013·0 cites·7 claims
- 3642US2005201211A1Annealing device and annealing methodSONY CORP·Filed 2004·Application pending·0 cites
- 3742US2005041537A1Record/playback apparatus and record/playback methodSONY CORP·Filed 2004·Application pending·0 cites
- 3841US7075881B2Signal recording/playback apparatus, and recording compensation method and playback method used thereforSONY CORP·Filed 2002·Granted Jul 11, 2006·0 cites·12 claims
- 3940US2014037921A1Optical information recording medium and laminate for optical information recording mediumSONY CORP·Filed 2013·Application pending·0 cites
- 4040US2007008832A1Method for thermal treatment judgment on magneto-optical information recording medium and device for thermal treatment judgmentTANAKA YASUHITO·Filed 2004·Application pending·0 cites
- 4140US2014050877A1Optical information recording medium and optical information recording medium laminateSONY CORP·Filed 2013·Application pending·0 cites
- 4240US2012092977A1Optical recording medium, method of producing same, and recording deviceSAKAMOTO TETSUHIRO·Filed 2011·Application pending·0 cites
- 4339US8462608B2Read-only optical recording mediumSAKAMOTO TETSUHIRO·Filed 2010·Granted Jun 11, 2013·0 cites·4 claims
- 4439US2004141425A1Optical recording medium, production method of optical recording medium, optical recording method and optical reproducing method for optical recording mediumFiled 2002·Application pending·0 cites
- 4537US2012281513A1Recording apparatus, recording method, and optical recording mediumMIYAMOTO HIROTAKA·Filed 2010·Application pending·0 cites
- 4637US2012196077A1Optical recording medium and production method for optical recording mediumSAKAMOTO TETSUHIRO·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →