Inventor · disambiguated record
Kazuya Niwa
Also filed as: NIWA KAZUYA
27 granted patents·5 pending applications·41 citations·filing 2009–2022
93Inventor score
Top patents by PatentIndex Score
32 records- 0191US10127939B2Magnetic storage apparatus including a magnetic recording medium having a barrier layer between two heat sink layersSHOWA DENKO KK·Filed 2018·Granted Nov 13, 2018·11 cites·17 claims
- 0283US8792313B2Magnetic recording medium having multiple under layers for heat-assisted magnetic recording apparatusSHOWA DENKO KK·Filed 2013·Granted Jul 29, 2014·6 cites·7 claims
- 0382US9251834B2Magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2014·Granted Feb 2, 2016·5 cites·18 claims
- 0480US8542569B2Heat-assisted magnetic recording medium and magnetic storage deviceKANBE TETSUYA·Filed 2012·Granted Sep 24, 2013·6 cites·12 claims
- 0573US9245567B2Magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2014·Granted Jan 26, 2016·2 cites·14 claims
- 0672US9384772B2Magnetic recording medium having L10 magnetic layer and plurality of underlayers, and magnetic storage apparatusSHOWA DENKO KK·Filed 2014·Granted Jul 5, 2016·2 cites·10 claims
- 0772US9230588B2Magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2014·Granted Jan 5, 2016·2 cites·12 claims
- 0868US10008220B2Magnetic recording medium and magnetic memory device including magnetic layers having granular structure of magnetic grains and grain boundary portionSHOWA DENKO KK·Filed 2017·Granted Jun 26, 2018·2 cites·10 claims
- 0967US8988828B2Magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2014·Granted Mar 24, 2015·1 cites·12 claims
- 1066US9007880B2Thermally assisted magnetic recording medium and magnetic recording and reproducing apparatusSHOWA DENKO KK·Filed 2013·Granted Apr 14, 2015·1 cites·7 claims
- 1165US9361924B2Magnetic recording medium and magnetic recording and reproducing apparatusSHOWA DENKO KK·Filed 2013·Granted Jun 7, 2016·1 cites·9 claims
- 1264US10553242B2Heat-assisted magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2019·Granted Feb 4, 2020·1 cites·6 claims
- 1361US10614849B2Heat-assisted magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2019·Granted Apr 7, 2020·1 cites·9 claims
- 1458US9934810B2Magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2014·Granted Apr 3, 2018·0 cites·5 claims
- 1557US12217779B2Method of manufacturing magnetic recording mediumSHOWA DENKO KK·Filed 2022·Granted Feb 4, 2025·0 cites·4 claims
- 1656US11545176B2Magnetic recording medium, magnetic storage apparatus, and method for manufacturing magnetic recording mediumSHOWA DENKO KK·Filed 2022·Granted Jan 3, 2023·0 cites·10 claims
- 1754US11823721B2Magnetic recording medium, magnetic recording and reproducing apparatus, and method of manufacturing magnetic recording mediumSHOWA DENKO KK·Filed 2022·Granted Nov 21, 2023·0 cites·5 claims
- 1852US11024334B2High density magnetic recording medium for heat-assisted magnetic storage apparatusSHOWA DENKO KK·Filed 2020·Granted Jun 1, 2021·0 cites·17 claims
- 1951US12087341B2Magnetic recording medium and magnetic read/write apparatusSHOWA DENKO KK·Filed 2020·Granted Sep 10, 2024·0 cites·9 claims
- 2051US10978103B2Magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2019·Granted Apr 13, 2021·0 cites·7 claims
- 2151US2010003901A1Burnishing tape and method of manufacturing the same, and method of burnishing magnetic diskSHOWA DENKO KK·Filed 2009·Application pending·0 cites
- 2248US10685674B2Assisted magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2019·Granted Jun 16, 2020·0 cites·7 claims
- 2348US10643649B2Heat-assisted magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2019·Granted May 5, 2020·0 cites·5 claims
- 2448US2018182423A1Magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2018·Application pending·0 cites
- 2548US2021370001A1Mask device, mask and exhalation detection methodATOM MEDICAL CORP·Filed 2019·Application pending·0 cites
- 2647US11037591B2Heat-assisted magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2019·Granted Jun 15, 2021·0 cites·6 claims
- 2746US10360936B2Assisted magnetic recording medium including a pinning layer and magnetic storage deviceSHOWA DENKO KK·Filed 2018·Granted Jul 23, 2019·0 cites·6 claims
- 2845US10283154B2Magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2018·Granted May 7, 2019·0 cites·15 claims
- 2945US8512100B2Abrasive tape, method for producing abrasive tape, and varnishing processSAKAGUCHI RYUJI·Filed 2009·Granted Aug 20, 2013·0 cites·6 claims
- 3044US11244700B2Magnetic recording medium, sputtering target, sputtering target manufacturing method, and magnetic storage apparatusSHOWA DENKO KK·Filed 2018·Granted Feb 8, 2022·0 cites·9 claims
- 3144US2013208578A1Magnetic recording medium and magnetic recording and reproducing apparatusSHOWA DENKO KK·Filed 2013·Application pending·0 cites
- 3238US2018182421A1Magnetic recording medium and magnetic storage apparatusSHOWA DENKO KK·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →