Inventor · disambiguated record
Chikayoshi Kamata
Also filed as: KAMATA CHIKAYOSHI
43 granted patents·14 pending applications·424 citations·filing 2000–2018
98Inventor score
Top patents by PatentIndex Score
57 records- 0198US9299918B2Magnetoresistive element and magnetic memoryTOSHIBA KK·Filed 2014·Granted Mar 29, 2016·29 cites·11 claims
- 0297US9117924B2Magnetic memory element and method of manufacturing the sameKITAGAWA EIJI·Filed 2012·Granted Aug 25, 2015·42 cites·11 claims
- 0397US9117995B2Magnetoresistance element and magnetic memoryTOSHIBA KK·Filed 2013·Granted Aug 25, 2015·39 cites·18 claims
- 0497US8878317B2Magnetoresistive element and magnetic memoryDAIBOU TADAOMI·Filed 2011·Granted Nov 4, 2014·29 cites·11 claims
- 0597US8576616B2Magnetic element and nonvolatile memory deviceSAIDA DAISUKE·Filed 2011·Granted Nov 5, 2013·43 cites·20 claims
- 0697US8488375B2Magnetic recording element and nonvolatile memory deviceSAIDA DAISUKE·Filed 2011·Granted Jul 16, 2013·37 cites·20 claims
- 0796US8508979B2Magnetic recording element and nonvolatile memory deviceSAIDA DAISUKE·Filed 2011·Granted Aug 13, 2013·30 cites·20 claims
- 0895US8710605B2Magnetic memory and method of manufacturing the sameTAKAHASHI SHIGEKI·Filed 2011·Granted Apr 29, 2014·21 cites·13 claims
- 0994US8994131B2Magnetic memoryTOSHIBA KK·Filed 2013·Granted Mar 31, 2015·21 cites·19 claims
- 1091US7733684B2Data read/write deviceTOSHIBA KK·Filed 2006·Granted Jun 8, 2010·22 cites·9 claims
- 1188US8014189B2Information recording/reproducing deviceTOSHIBA KK·Filed 2009·Granted Sep 6, 2011·7 cites·15 claims
- 1287US8207518B2Information recording and reproducing deviceKUBO KOHICHI·Filed 2010·Granted Jun 26, 2012·8 cites·20 claims
- 1385US8089796B2Information recording and reproducing deviceTSUKAMOTO TAKAYUKI·Filed 2010·Granted Jan 3, 2012·10 cites·20 claims
- 1480US8841139B2Magnetic memory and method of fabricating the sameKAMATA CHIKAYOSHI·Filed 2012·Granted Sep 23, 2014·4 cites·16 claims
- 1579US8188455B2Information recording/reproducing deviceTSUKAMOTO TAKAYUKI·Filed 2009·Granted May 29, 2012·6 cites·16 claims
- 1677US6954341B2Magneto-resistive sensor with oxidization-resistant conductive layer between cap layer and electrode overhangFUJITSU LTD·Filed 2000·Granted Oct 11, 2005·12 cites·17 claims
- 1776US10340311B2Magnetoresistive effect element with magnetic layers and magnetic memoryTOSHIBA MEMORY CORP·Filed 2017·Granted Jul 2, 2019·2 cites·10 claims
- 1876US8269205B2Information recording and reproducing deviceKUBO KOHICHI·Filed 2010·Granted Sep 18, 2012·4 cites·19 claims
- 1976US7995382B2Information recording and reproducing apparatusTOSHIBA KK·Filed 2009·Granted Aug 9, 2011·9 cites·22 claims
- 2074US8581424B2Information recording/reproducing deviceHIRAI TAKAHIRO·Filed 2011·Granted Nov 12, 2013·5 cites·16 claims
- 2174US8018762B2Information recording and reproducing apparatusTOSHIBA KK·Filed 2009·Granted Sep 13, 2011·4 cites·14 claims
- 2273US8421051B2Resistance-change memorySATO MITSURU·Filed 2010·Granted Apr 16, 2013·4 cites·14 claims
- 2373US8237145B2Nonvolatile memory device with recording layer having two portions of different nitrogen amountsKAMATA CHIKAYOSHI·Filed 2010·Granted Aug 7, 2012·7 cites·12 claims
- 2471US7123456B2Method of making magnetoresistive head elementFUJITSU LTD·Filed 2001·Granted Oct 17, 2006·8 cites·7 claims
- 2568US9799482B2Device manufacturing apparatus and manufacturing method of magnetic device using structure to pass ion beamTOSHIBA MEMORY CORP·Filed 2016·Granted Oct 24, 2017·1 cites·20 claims
- 2668US9224944B2Magnetic memory and method of manufacturing the sameTOSHIBA KK·Filed 2014·Granted Dec 29, 2015·1 cites·5 claims
- 2768US8080478B2Method of producing maskOHSAWA YUICHI·Filed 2010·Granted Dec 20, 2011·2 cites·9 claims
- 2868US7838877B2Information recording and reproducing apparatusTOSHIBA KK·Filed 2008·Granted Nov 23, 2010·2 cites·20 claims
- 2965US10103198B2Magnetoresistive element and magnetic memoryTOSHIBA KK·Filed 2016·Granted Oct 16, 2018·2 cites·16 claims
- 3064US9935260B2Magnetic memory device and nonvolatile memory apparatusTOSHIBA KK·Filed 2016·Granted Apr 3, 2018·1 cites·11 claims
- 3164US8431920B2Information recording and reproducing device for high-recording densityKAMATA CHIKAYOSHI·Filed 2010·Granted Apr 30, 2013·3 cites·10 claims
- 3256US7936587B2Data read/write deviceTOSHIBA KK·Filed 2010·Granted May 3, 2011·1 cites·14 claims
- 3356US2014087483A1Manufacturing method of magnetoresistive effect element and manufacturing apparatus of magnetoresistive effect elementTOSHIBA KK·Filed 2013·Application pending·0 cites
- 3455US2010074001A1Information recording/reproducing deviceTOSHIBA KK·Filed 2009·Application pending·0 cites
- 3554US8139398B2Data read/write deviceKUBO KOICHI·Filed 2011·Granted Mar 20, 2012·1 cites·20 claims
- 3654US7092223B2Current-perpendicular-to-the-plane structure magnetoresistive element and method of making sameFUJITSU LTD·Filed 2001·Granted Aug 15, 2006·4 cites·5 claims
- 3753US2016380189A1Manufacturing method of magnetoresistive effect element and manufacturing apparatus of magnetoresistive effect elementTOSHIBA KK·Filed 2016·Application pending·0 cites
- 3852US8879307B2Magnetoresistive device and nonvolatile memory with the sameKITAGAWA EIJI·Filed 2012·Granted Nov 4, 2014·1 cites·22 claims
- 3951US8391045B2Information recording/reproducing deviceKUBO KOHICHI·Filed 2009·Granted Mar 5, 2013·2 cites·19 claims
- 4050US2013248355A1Method of manufacturing magnetoresistive elementTOSHIBA KK·Filed 2012·Application pending·0 cites
- 4149US2016359107A1Method of manufacturing magnetoresistive elementTOSHIBA KK·Filed 2016·Application pending·0 cites
- 4247US7377026B2Method of making current-perpendicular-to-the-plane structure magnetoresistive elementFUJITSU LTD·Filed 2006·Granted May 27, 2008·0 cites·6 claims
- 4343US2019280186A1Magnetic memoryTOSHIBA MEMORY CORP·Filed 2018·Application pending·0 cites
- 4442US2010008209A1Information recording/reproducing deviceTOSHIBA KK·Filed 2009·Application pending·0 cites
- 4542US2011037046A1Resistance-change memory and method of manufacturing the sameSATO MITSURU·Filed 2010·Application pending·0 cites
- 4641US2008239797A1Information recording/reproducing deviceTOSHIBA KK·Filed 2007·Application pending·0 cites
- 4739US8541766B2Nonvolatile memory device and nonvolatile memory apparatusYAMAGUCHI TAKESHI·Filed 2011·Granted Sep 24, 2013·0 cites·26 claims
- 4838US2010316831A1Information recording and reproducing deviceKUBO KOHICHI·Filed 2010·Application pending·0 cites
- 4937US7343665B2Method of making current-perpendicular-to-the-plane structure magnetoresistive headFUJITSU LTD·Filed 2002·Granted Mar 18, 2008·0 cites·14 claims
- 5037US2008239932A1Information recording and reproducing apparatusTOSHIBA KK·Filed 2008·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →