Inventor · disambiguated record
Narutoshi Fukuzawa
Also filed as: FUKUZAWA NARUTOSHI
36 granted patents·33 pending applications·62 citations·filing 2001–2017
95Inventor score
Top patents by PatentIndex Score
69 records- 0179US11088573B2Metallic foreign object detector, wireless power transmitting device, wireless power receiving device, and wireless power transmission systemTDK CORP·Filed 2017·Granted Aug 10, 2021·3 cites·10 claims
- 0277US7457215B2Method for reproducing data and an apparatus for recording and reproducing dataNAT INST OF ADVANCED IND SCIEN·Filed 2004·Granted Nov 25, 2008·12 cites·8 claims
- 0374US11056925B2Wireless power transmitting device, wireless power receiving device, and wireless power transmission systemTDK CORP·Filed 2017·Granted Jul 6, 2021·2 cites·27 claims
- 0474US10862349B2Metallic foreign object detector, wireless power transmitting device, wireless power receiving device, and wireless power transmission systemTDK CORP·Filed 2017·Granted Dec 8, 2020·1 cites·9 claims
- 0574US7796483B2Method for evaluating read stability of optical disc and information reproduction apparatusTDK CORP·Filed 2007·Granted Sep 14, 2010·2 cites·4 claims
- 0674US7733762B2Super-resolution optical recording medium and method for recording information on super-resolution optical recording mediumTDK CORP·Filed 2006·Granted Jun 8, 2010·2 cites·3 claims
- 0774US7102969B2Multi-level optical recording medium reproducing method and reproducing deviceTDK CORP·Filed 2002·Granted Sep 5, 2006·10 cites·2 claims
- 0873US8124255B2Magnetic recording medium and magnetic recording and reproducing apparatusOKAWA SHUICHI·Filed 2009·Granted Feb 28, 2012·3 cites·4 claims
- 0972US7791999B2Writing condition optimizing method and apparatus, and optical recording mediumTDK CORP·Filed 2006·Granted Sep 7, 2010·2 cites·8 claims
- 1070US6891790B2Optical recording medium, optical recording device and optical recording methodTDK CORP·Filed 2002·Granted May 10, 2005·8 cites·10 claims
- 1168US10862314B2Wireless power transmitting device, wireless power receiving device, and wireless power transmission systemTDK CORP·Filed 2017·Granted Dec 8, 2020·1 cites·16 claims
- 1266US11152821B2Metallic foreign object detector, wireless power transmitting device, wireless power receiving device, and wireless power transmission systemTDK CORP·Filed 2017·Granted Oct 19, 2021·1 cites·10 claims
- 1364US6905749B2Optical recording disk, method for making and using the sameTDK CORP·Filed 2003·Granted Jun 14, 2005·2 cites·39 claims
- 1463US7247417B2Optical recording medium and optical recording/reproducing methodTDK CORP·Filed 2003·Granted Jul 24, 2007·5 cites·15 claims
- 1561US9558882B2Power feeding coil unit and wireless power transmission deviceTDK CORP·Filed 2014·Granted Jan 31, 2017·2 cites·9 claims
- 1658US7573803B2Optical recording discTDK CORP·Filed 2004·Granted Aug 11, 2009·3 cites·14 claims
- 1757US9672973B2Wireless power transmission deviceTDK CORP·Filed 2014·Granted Jun 6, 2017·1 cites·3 claims
- 1855US9330838B2Coil unitTDK CORP·Filed 2014·Granted May 3, 2016·0 cites·3 claims
- 1954US7876665B2Optical recording medium and method for reproducing information from optical recording mediumTDK CORP·Filed 2006·Granted Jan 25, 2011·0 cites·16 claims
- 2054US7646687B2Method for determining recording laser power for super-resolution optical recording medium and apparatus for recording information on super-resolution optical recording mediumTDK CORP·Filed 2007·Granted Jan 12, 2010·0 cites·2 claims
- 2154US7440370B2Method for determining a reproducing power of a laser beam and an apparatus for recording and reproducing dataAIST·Filed 2004·Granted Oct 21, 2008·2 cites·16 claims
- 2253US8169742B2Magnetic recording medium, magnetic recording and reproducing apparatus, method for manufacturing magnetic recording medium, and method for checking magnetic recording mediumYOSHITOKU DAISUKE·Filed 2008·Granted May 1, 2012·0 cites·14 claims
- 2353US8018804B2Method and apparatus to determine an optimum reproducing condition on an optical recording mediumSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Sep 13, 2011·0 cites·11 claims
- 2453US2009101624A1Method for manufacturing magnetic recording mediumTDK CORP·Filed 2008·Application pending·0 cites
- 2553US2009168244A1Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording mediumTDK CORP·Filed 2008·Application pending·0 cites
- 2652US7132148B2Optical recording diskTDK CORP·Filed 2004·Granted Nov 7, 2006·0 cites·20 claims
- 2752US2009268595A1Information recording medium and recording/reproducing apparatusTDK CORP·Filed 2008·Application pending·0 cites
- 2852US2008237938A1Method for manufacturing information recording medium, method of transferring concavo-convex pattern, and transfer apparatusTDK CORP·Filed 2008·Application pending·0 cites
- 2951US7944802B2Super-resolution optical recording medium and method for recording information on super-resolution optical recording mediumTDK CORP·Filed 2006·Granted May 17, 2011·0 cites·18 claims
- 3051US7719944B2Method and apparatus for recording information on optical recording medium with compensation for thermal effects in ultra-high-density optical recording and reproducing systemTDK CORP·Filed 2006·Granted May 18, 2010·0 cites·11 claims
- 3151US2008230960A1Method for manufacturing information recording medium, method for forming resin mask, transferring apparatus, and light-transmitting stamperTDK CORP·Filed 2008·Application pending·0 cites
- 3250US2009242508A1Method for manufacturing magnetic recording mediumTDK CORP·Filed 2009·Application pending·0 cites
- 3350US2007274185A1Optical disc and method and system for reproducing optical discTDK CORP·Filed 2007·Application pending·0 cites
- 3449US10284017B2Coil device and wireless power transmission deviceTDK CORP·Filed 2016·Granted May 7, 2019·0 cites·12 claims
- 3549US2007183289A1Method for recording information on super-resolution optical recording medium and super-resolution optical recording mediumTDK CORP·Filed 2007·Application pending·0 cites
- 3649US2007195673A1Method and apparatus for recording information on super-resolution optical recording mediumTDK CORP·Filed 2007·Application pending·0 cites
- 3748US7554894B2Data recording and readingout systemTDK CORP·Filed 2005·Granted Jun 30, 2009·0 cites·8 claims
- 3848US7022393B2Optical recording mediumTDK CORP·Filed 2004·Granted Apr 4, 2006·0 cites·16 claims
- 3948US2007140094A1Optical disk and optical disk reproducing deviceSAMSUNG ELECTRONICS CO LTD·Filed 2006·Application pending·0 cites
- 4048US2007030776A1Super-resolution information recording medium, recording/reproducing apparatus, and recording/reproducing methodNAT INST OF ADVANCED IND SCIEN·Filed 2006·Application pending·0 cites
- 4147US2008203053A1Method for manufacturing magnetic recording medium, stamper, transferring apparatus, and method for forming resin maskTDK CORP·Filed 2008·Application pending·0 cites
- 4246US2006158983A1Optical reproducing method and optical reproducing systemTDK CORP·Filed 2006·Application pending·0 cites
- 4346US2006165945A1Optical recording mediumTDK CORP·Filed 2006·Application pending·0 cites
- 4444US7014902B2Optical disc and method for manufacturing the sameTDK CORP·Filed 2004·Granted Mar 21, 2006·0 cites·9 claims
- 4544US7008683B2Optical disc and method for manufacturing the sameTDK CORP·Filed 2004·Granted Mar 7, 2006·0 cites·9 claims
- 4644US2005255282A1Optical recording mediumTDK CORP·Filed 2005·Application pending·0 cites
- 4744US2005219994A1Optical recording mediumTDK CORP·Filed 2005·Application pending·0 cites
- 4843US2003190448A1Optical recording mediumTDK CORP·Filed 2003·Application pending·0 cites
- 4942US2006188683A1Optical recording discTDK CORP·Filed 2004·Application pending·0 cites
- 5042US2006280896A1Optical recording medium and process for producing the same, data recording method and data reproducing method for optical recording mediumTDK CORP·Filed 2004·Application pending·0 cites
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →