Inventor · disambiguated record
Kazuyo Umezawa
Also filed as: UMEZAWA KAZUYO
54 granted patents·42 pending applications·72 citations·filing 2002–2014
98Inventor score
Top patents by PatentIndex Score
96 records- 0189US8142981B2Storage medium, reproducing method, and recording methodANDO HIDEO·Filed 2006·Granted Mar 27, 2012·6 cites·6 claims
- 0288US7960093B2Storage medium, reproducing method, and recording methodTOSHIBA KK·Filed 2009·Granted Jun 14, 2011·5 cites·3 claims
- 0387US7914969B2Storage medium, reproducing method, and recording methodTOSHIBA KK·Filed 2006·Granted Mar 29, 2011·5 cites·3 claims
- 0485US8137894B2Storage medium, reproducing method, and recording methodMORITA SEIJI·Filed 2006·Granted Mar 20, 2012·5 cites·2 claims
- 0584US8588047B2Storage medium, reproducing method, and recording methodANDO HIDEO·Filed 2010·Granted Nov 19, 2013·4 cites·3 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
- 0982US8154970B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 10, 2012·2 cites·3 claims
- 1082US8154971B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 10, 2012·2 cites·3 claims
- 1182US8149672B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 3, 2012·2 cites·3 claims
- 1282US7995442B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2010·Granted Aug 9, 2011·2 cites·3 claims
- 1380US8218416B2Multi-layer optical disc, information recording method and information reproducing methodUMEZAWA KAZUYO·Filed 2010·Granted Jul 10, 2012·3 cites·4 claims
- 1479US7864654B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2009·Granted Jan 4, 2011·2 cites·4 claims
- 1577US8374069B2Storage medium, reproducing method, and recording methodTOSHIBA KK·Filed 2010·Granted Feb 12, 2013·2 cites·2 claims
- 1677US8325584B2Storage medium, reproducing method, and recording methodANDO HIDEO·Filed 2010·Granted Dec 4, 2012·2 cites·2 claims
- 1777US8173029B2Magnetic recording medium manufacturing methodMORITA SEIJI·Filed 2010·Granted May 8, 2012·3 cites·6 claims
- 1874US8437242B2Optical recording medium for writing data using multiple pulsesUMEZAWA KAZUYO·Filed 2011·Granted May 7, 2013·2 cites·4 claims
- 1973US8551685B2Ultraviolet-curing resin material for pattern transfer and magnetic recording medium manufacturing method using the sameTOSHIBA KK·Filed 2013·Granted Oct 8, 2013·2 cites·2 claims
- 2073US8142693B2Stamper and stamper evaluation methodUMEZAWA KAZUYO·Filed 2009·Granted Mar 27, 2012·2 cites·3 claims
- 2173US7512046B2Optical disk apparatus and method for controlling the sameTOSHIBA KK·Filed 2004·Granted Mar 31, 2009·9 cites·8 claims
- 2269US7715304B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2007·Granted May 11, 2010·0 cites·3 claims
- 2367US8232042B2Storage medium, reproducing method, and recording methodNAKAI TSUKASA·Filed 2006·Granted Jul 31, 2012·1 cites·6 claims
- 2464US8355306B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2011·Granted Jan 15, 2013·0 cites·3 claims
- 2563US8339916B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Dec 25, 2012·0 cites·3 claims
- 2663US8264931B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Sep 11, 2012·0 cites·3 claims
- 2763US8184517B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 22, 2012·0 cites·3 claims
- 2863US8179764B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 15, 2012·0 cites·3 claims
- 2963US8179765B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 15, 2012·0 cites·3 claims
- 3063US8174948B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 8, 2012·0 cites·3 claims
- 3163US8169874B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 1, 2012·0 cites·3 claims
- 3263US8169873B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 1, 2012·0 cites·3 claims
- 3363US8169872B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted May 1, 2012·0 cites·3 claims
- 3463US8165001B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 24, 2012·0 cites·3 claims
- 3563US8165000B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 24, 2012·0 cites·3 claims
- 3663US8159920B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 17, 2012·0 cites·3 claims
- 3763US8159921B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 17, 2012·0 cites·3 claims
- 3863US8149674B2Optical recording medium, information recording method, and information reproducing methodTAKAZAWA KOJI·Filed 2011·Granted Apr 3, 2012·0 cites·3 claims
- 3963US2008310280A1Information recording medium and disk apparatus using the mediumUMEZAWA KAZUYO·Filed 2008·Application pending·0 cites
- 4062US7778144B2Optical recording medium, information recording method, and information reproducing methodTOSHIBA KK·Filed 2007·Granted Aug 17, 2010·0 cites·14 claims
- 4161US8252510B2Storage medium, reproducing method, and recording methodANDO HIDEO·Filed 2006·Granted Aug 28, 2012·0 cites·3 claims
- 4260US8159767B2Repeatable runout evaluation method for a stamperUMEZAWA KAZUYO·Filed 2009·Granted Apr 17, 2012·0 cites·3 claims
- 4359US8179763B2Optical disc, information recording method, and information reproducing methodUMEZAWA KAZUYO·Filed 2007·Granted May 15, 2012·0 cites·2 claims
- 4459US7033659B2Optical information recording medium and method of recording and reproducing information on and from optical information recording mediumHITACHI MAXELL·Filed 2003·Granted Apr 25, 2006·4 cites·16 claims
- 4559US2013215729A1Storage medium, reproducing method, and recording methodTOSHIBA KK·Filed 2013·Application pending·0 cites
- 4659US2013223200A1Storage medium, reproducing method, and recording methodTOSHIBA KK·Filed 2013·Application pending·0 cites
- 4759US2011222381A1Write-once type multilayer optical disc, recording method, reproducing method, and recording deviceTOSHIBA KK·Filed 2011·Application pending·0 cites
- 4858US2006210925A1Storage medium, reproducing method, and recording methodANDO HIDEO·Filed 2006·Application pending·0 cites
- 4958US2007025234A1Write-once type information storage medium (disk structure of recording type information storage medium having structure in which recording layer formed on transparent susbstrate is defined as inside), and information reproducing method or information recording method as well as storage medium manufacturingTAKAZAWA KOJI·Filed 2006·Application pending·0 cites
- 5058US2014293767A1Write-once type information storage medium (disk structure of recording type information storage medium having structure in which recording layer formed on transparent susbstrate is defined as inside), and information reproducing method or information recording method as well as storage medium manufacturingTOSHIBA KK·Filed 2014·Application pending·0 cites
Showing the top 50 of 96 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →