Inventor · disambiguated record
Naomasa Nakamura
Also filed as: NAKAMURA NAOMASA
67 granted patents·45 pending applications·355 citations·filing 1987–2013
99Inventor score
Top patents by PatentIndex Score
112 records- 0194US7214416B2Phase-change optical recording mediumTOSHIBA KK·Filed 2004·Granted May 8, 2007·37 cites·7 claims
- 0294US6554972B1Information recording medium and its manufacturing methodTOSHIBA KK·Filed 1999·Granted Apr 29, 2003·67 cites·4 claims
- 0390US7455951B2Information recording medium and its manufacturing methodTOSHIBA KK·Filed 2006·Granted Nov 25, 2008·8 cites·2 claims
- 0486US5396480AMethod and apparatus for recording information using an energy beam of power levels changed stepwiseTOSHIBA KK·Filed 1993·Granted Mar 7, 1995·39 cites·11 claims
- 0585US8137894B2Storage medium, reproducing method, and recording methodMORITA SEIJI·Filed 2006·Granted Mar 20, 2012·5 cites·2 claims
- 0684US7869339B2Multi-layer optical disc, information recording method and information reproducing methodTOSHIBA KK·Filed 2007·Granted Jan 11, 2011·3 cites·4 claims
- 0783US8139459B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Mar 20, 2012·2 cites·3 claims
- 0883US8134899B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Mar 13, 2012·2 cites·3 claims
- 0983US7110348B2Optical information recording mediumTOSHIBA KK·Filed 2005·Granted Sep 19, 2006·4 cites·5 claims
- 1082US8154970B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 10, 2012·2 cites·3 claims
- 1182US8154971B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 10, 2012·2 cites·3 claims
- 1282US8149672B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 3, 2012·2 cites·3 claims
- 1382US7995442B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2010·Granted Aug 9, 2011·2 cites·3 claims
- 1482US6805935B2Optical recording mediumTOSHIBA KK·Filed 2003·Granted Oct 19, 2004·14 cites·16 claims
- 1581US7858166B2Phase change recording mediumTOSHIBA KK·Filed 2007·Granted Dec 28, 2010·4 cites·16 claims
- 1680US8218416B2Multi-layer optical disc, information recording method and information reproducing methodUMEZAWA KAZUYO·Filed 2010·Granted Jul 10, 2012·3 cites·4 claims
- 1780US6296915B1Optical recording mediumTOSHIBA KK·Filed 1999·Granted Oct 2, 2001·33 cites·14 claims
- 1879US7864654B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2009·Granted Jan 4, 2011·2 cites·4 claims
- 1977US7294382B2Phase-change optical recording mediumTOSHIBA KK·Filed 2006·Granted Nov 13, 2007·2 cites·15 claims
- 2077US7291375B2Phase-change optical recording mediumTOSHIBA KK·Filed 2006·Granted Nov 6, 2007·2 cites·12 claims
- 2176US6944116B2Optical information recording mediumTOSHIBA KK·Filed 2002·Granted Sep 13, 2005·9 cites·6 claims
- 2276US5776574AOptical recording medium and optical recording/reproducing apparatusTOSHIBA KK·Filed 1995·Granted Jul 7, 1998·28 cites·19 claims
- 2374US8437242B2Optical recording medium for writing data using multiple pulsesUMEZAWA KAZUYO·Filed 2011·Granted May 7, 2013·2 cites·4 claims
- 2474US7510753B2Phase-change optical recording mediaTOSHIBA KK·Filed 2005·Granted Mar 31, 2009·2 cites·13 claims
- 2572US7570566B2Optical disc, optical disc manufacturing method, and optical disc apparatusTOSHIBA KK·Filed 2006·Granted Aug 4, 2009·2 cites·5 claims
- 2672US5431978AInformation recording medium and recording method using the sameTOSHIBA KK·Filed 1994·Granted Jul 11, 1995·28 cites·1 claims
- 2771US7767285B2Phase-change optical recording mediumTOSHIBA KK·Filed 2007·Granted Aug 3, 2010·1 cites·2 claims
- 2869US7715304B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2007·Granted May 11, 2010·0 cites·3 claims
- 2969US7335459B2Phase-change optical recording mediumTOSHIBA KK·Filed 2003·Granted Feb 26, 2008·7 cites·18 claims
- 3069US6842419B2Optical information recording medium and optical disk driveTOSHIBA KK·Filed 2002·Granted Jan 11, 2005·7 cites·6 claims
- 3167US7477592B2Optical disc, optical disc apparatus, optical disk reproducing method, and digital work publicationTOSHIBA KK·Filed 2005·Granted Jan 13, 2009·1 cites·10 claims
- 3266US7357969B2Phase-change optical recording mediumTOSHIBA KK·Filed 2004·Granted Apr 15, 2008·6 cites·9 claims
- 3366US7132147B2Phase-change optical recording mediumTOSHIBA KK·Filed 2004·Granted Nov 7, 2006·4 cites·14 claims
- 3464US8355306B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2011·Granted Jan 15, 2013·0 cites·3 claims
- 3563US8339916B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Dec 25, 2012·0 cites·3 claims
- 3663US8264931B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Sep 11, 2012·0 cites·3 claims
- 3763US8184517B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 22, 2012·0 cites·3 claims
- 3863US8179764B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 15, 2012·0 cites·3 claims
- 3963US8179765B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 15, 2012·0 cites·3 claims
- 4063US8174948B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 8, 2012·0 cites·3 claims
- 4163US8169874B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 1, 2012·0 cites·3 claims
- 4263US8169873B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 1, 2012·0 cites·3 claims
- 4363US8169872B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 1, 2012·0 cites·3 claims
- 4463US8165001B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 24, 2012·0 cites·3 claims
- 4563US8165000B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 24, 2012·0 cites·3 claims
- 4663US8159920B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 17, 2012·0 cites·3 claims
- 4763US8159921B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 17, 2012·0 cites·3 claims
- 4863US8149674B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 3, 2012·0 cites·3 claims
- 4963US2008310280A1Information recording medium and disk apparatus using the mediumUMEZAWA KAZUYO·Filed 2008·Application pending·0 cites
- 5062US7778144B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2007·Granted Aug 17, 2010·0 cites·14 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →