Inventor
NIWA KAZUYA
JP27 patents
⚠️ This page may combine multiple inventors who share the name “NIWA KAZUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHOWA DENKO KK
25 patentsUS10127939B2Nov 13, 2018
Magnetic storage apparatus including a magnetic recording medium having a barrier layer between two heat sink layers
SHOWA DENKO KK11 citations84
US10008220B2Jun 26, 2018
Magnetic recording medium and magnetic memory device including magnetic layers having granular structure of magnetic grains and grain boundary portion
SHOWA DENKO KK2 citations73
US9251834B2Feb 2, 2016
Magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK5 citations73
US8792313B2Jul 29, 2014
Magnetic recording medium having multiple under layers for heat-assisted magnetic recording apparatus
SHOWA DENKO KK6 citations73
US9384772B2Jul 5, 2016
Magnetic recording medium having L10 magnetic layer and plurality of underlayers, and magnetic storage apparatus
SHOWA DENKO KK2 citations63
US9245567B2Jan 26, 2016
Magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK2 citations63
US9230588B2Jan 5, 2016
Magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK2 citations63
US12087341B2Sep 10, 2024
Magnetic recording medium and magnetic read/write apparatus
SHOWA DENKO KK0 citations62
US11545176B2Jan 3, 2023
Magnetic recording medium, magnetic storage apparatus, and method for manufacturing magnetic recording medium
SHOWA DENKO KK0 citations62
US11244700B2Feb 8, 2022
Magnetic recording medium, sputtering target, sputtering target manufacturing method, and magnetic storage apparatus
SHOWA DENKO KK0 citations62
US11037591B2Jun 15, 2021
Heat-assisted magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK0 citations62
US11024334B2Jun 1, 2021
High density magnetic recording medium for heat-assisted magnetic storage apparatus
SHOWA DENKO KK0 citations62
US10978103B2Apr 13, 2021
Magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK0 citations62
US10553242B2Feb 4, 2020
Heat-assisted magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK1 citations62
US10614849B2Apr 7, 2020
Heat-assisted magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK1 citations61
US12217779B2Feb 4, 2025
Method of manufacturing magnetic recording medium
SHOWA DENKO KK0 citations54
US11823721B2Nov 21, 2023
Magnetic recording medium, magnetic recording and reproducing apparatus, and method of manufacturing magnetic recording medium
SHOWA DENKO KK0 citations54
US10643649B2May 5, 2020
Heat-assisted magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK0 citations52
US10360936B2Jul 23, 2019
Assisted magnetic recording medium including a pinning layer and magnetic storage device
SHOWA DENKO KK0 citations52
US9934810B2Apr 3, 2018
Magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK0 citations52
US9361924B2Jun 7, 2016
Magnetic recording medium and magnetic recording and reproducing apparatus
SHOWA DENKO KK1 citations52
US9007880B2Apr 14, 2015
Thermally assisted magnetic recording medium and magnetic recording and reproducing apparatus
SHOWA DENKO KK1 citations52
US8988828B2Mar 24, 2015
Magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK1 citations52
US10685674B2Jun 16, 2020
Assisted magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK0 citations51
US10283154B2May 7, 2019
Magnetic recording medium and magnetic storage apparatus
SHOWA DENKO KK0 citations51