Inventor · disambiguated record
Naozumi Sugimura
Also filed as: SUGIMURA NAOZUMI
28 granted patents·11 pending applications·147 citations·filing 1995–2021
95Inventor score
Top patents by PatentIndex Score
39 records- 0184US6519411B1Digital signal recording and reproduction apparatus suitable for recording and reproducing a compressed video signalHITACHI LTD·Filed 2000·Granted Feb 11, 2003·15 cites·4 claims
- 0282US8531570B2Image processing device, image processing method, and programSUGIMURA NAOZUMI·Filed 2011·Granted Sep 10, 2013·5 cites·8 claims
- 0379US7697824B2Recording and playback apparatusHITACHI LTD·Filed 2005·Granted Apr 13, 2010·4 cites·14 claims
- 0479US7483622B2Recording medium and method for reproducing information therefromHITACHI LTD·Filed 2005·Granted Jan 27, 2009·3 cites·4 claims
- 0577US5903704AApparatus for selectively recording and reproducing received analog and digital signalsHITACHI LTD·Filed 1995·Granted May 11, 1999·26 cites·13 claims
- 0675US5532835ATracking control in apparatus for fast reproducing digital information signal from magnetic tapeHITACHI LTD·Filed 1995·Granted Jul 2, 1996·30 cites·14 claims
- 0770US7496280B2Still picture information recording medium and method and apparatus for reproducing still picture information therefromHITACHI LTD·Filed 2003·Granted Feb 24, 2009·5 cites·8 claims
- 0869US11812071B2Program, recording medium, and reproducing apparatusMAXELL LTD·Filed 2021·Granted Nov 7, 2023·0 cites·15 claims
- 0968US6847781B1Digital signal recording apparatus and recording mediumHITACHI LTD·Filed 2000·Granted Jan 25, 2005·10 cites·3 claims
- 1065US8751693B2Apparatus for and method of processing dataSUGIMURA NAOZUMI·Filed 2010·Granted Jun 10, 2014·2 cites·11 claims
- 1165US6363210B1Communication system for encrypted data and apparatus for selectively recording and reproducing received analog signal and received digital signalHITACHI LTD·Filed 1999·Granted Mar 26, 2002·25 cites·11 claims
- 1264US11159830B2Program, recording medium, and reproducing apparatusMAXELL LTD·Filed 2020·Granted Oct 26, 2021·0 cites·30 claims
- 1364US7643729B2Recording medium and method for reproducing information therefromHITACHI LTD·Filed 2007·Granted Jan 5, 2010·0 cites·3 claims
- 1463US7916595B2Reproducing apparatus, program and recording mediumHITACHI LTD·Filed 2009·Granted Mar 29, 2011·0 cites·7 claims
- 1560US7715692B2Still picture information recording medium and method and apparatus for reproducing still picture information therefromHITACHI LTD·Filed 2008·Granted May 11, 2010·0 cites·3 claims
- 1660US7711248B2Still picture information recording medium and method and apparatus for reproducing still picture information therefromHITACHI LTD·Filed 2008·Granted May 4, 2010·0 cites·3 claims
- 1760US6175683B1Digital signal recording and reproduction apparatus suitable for recording and reproducing a compressed video signalHITACHI LTD·Filed 1997·Granted Jan 16, 2001·18 cites·67 claims
- 1859US7657158B2Recording medium and method for reproducing information therefromHITACHI LTD·Filed 2007·Granted Feb 2, 2010·0 cites·3 claims
- 1959US7599606B2Recording medium and method for reproducing information therefromHITACHI LTD·Filed 2007·Granted Oct 6, 2009·0 cites·2 claims
- 2058US8249420B2Reproducing deviceSUGIMURA NAOZUMI·Filed 2008·Granted Aug 21, 2012·0 cites·3 claims
- 2158US8238717B2Reproducing deviceSUGIMURA NAOZUMI·Filed 2008·Granted Aug 7, 2012·0 cites·2 claims
- 2258US7450816B2Digital signal recording and reproduction apparatus suitable for recording and reproducing a compressed video signalHITACHI LTD·Filed 2003·Granted Nov 11, 2008·2 cites·8 claims
- 2357US10645424B2Program, recording medium, and reproducing apparatusMAXELL LTD·Filed 2016·Granted May 5, 2020·0 cites·12 claims
- 2457US8254754B2Reproducing deviceSUGIMURA NAOZUMI·Filed 2008·Granted Aug 28, 2012·0 cites·2 claims
- 2557US8238716B2Reproducing deviceSUGIMURA NAOZUMI·Filed 2008·Granted Aug 7, 2012·0 cites·6 claims
- 2657US7551535B2Reproducing apparatus utilizing recording medium identifierHITACHI LTD·Filed 2003·Granted Jun 23, 2009·2 cites·8 claims
- 2752US7835626B2Reproducing deviceHITACHI LTD·Filed 2004·Granted Nov 16, 2010·0 cites·4 claims
- 2851US2010149375A1Apparatus and method for faster recording and reproduction of digital video imagesSAMSUNG TECHWIN CO LTD·Filed 2009·Application pending·0 cites
- 2947US9418704B2Program, recording medium, and reproducing apparatusYOSHIDA SUSUMU·Filed 2004·Granted Aug 16, 2016·0 cites·10 claims
- 3045US2006059339A1Reproducing apparatus and recording/reproducing apparatusHITACHI LTD·Filed 2005·Application pending·0 cites
- 3144US2004267777A1File management method, recording apparatus, reproducing apparatus, and recording mediumFiled 2003·Application pending·0 cites
- 3244US2005021493A1Recording medium and file management systemHITACHI LTD·Filed 2003·Application pending·0 cites
- 3344US2004268043A1Recording medium, recording apparatus and reproducing apparatusHITACHI LTD·Filed 2003·Application pending·0 cites
- 3443US2003233381A1File management methodHITACHI LTD·Filed 2002·Application pending·0 cites
- 3542US2005060552A1Program, recording medium and reproduction apparatusFiled 2004·Application pending·0 cites
- 3642US2006039256A1Storing apparatusNAKAMURA TAKU·Filed 2005·Application pending·0 cites
- 3742US2005174914A1Recording/reproducing apparatusFiled 2004·Application pending·0 cites
- 3841US2004088310A1Recording medium, recording apparatus, recording method, reproduction apparatus and reproduction methodHITACHI LTD·Filed 2003·Application pending·0 cites
- 3940US2004042370A1Recording method, reproducing apparatus, recording mediumHITACHI LTD·Filed 2003·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →