Inventor
UMETSU NOBUYUKI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “UMETSU NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA MEMORY CORP
12 patentsUS10482941B2Nov 19, 2019
Magnetic memory device
TOSHIBA MEMORY CORP2 citations73
US10453545B2Oct 22, 2019
Magnetic memory device and method for manufacturing the same
TOSHIBA MEMORY CORP3 citations73
US10446212B2Oct 15, 2019
Magnetic memory device
TOSHIBA MEMORY CORP2 citations73
US10403381B2Sep 3, 2019
Magnetic memory device
TOSHIBA MEMORY CORP4 citations73
US10304902B2May 28, 2019
Magnetic memory device
TOSHIBA MEMORY CORP2 citations73
US10276224B2Apr 30, 2019
Magnetic memory having metal portions and magnetic memory array including same
TOSHIBA MEMORY CORP2 citations73
US10916318B2Feb 9, 2021
Magnetic storage device
TOSHIBA MEMORY CORP0 citations62
US10446249B2Oct 15, 2019
Magnetic memory device
TOSHIBA MEMORY CORP1 citations62
US10354739B2Jul 16, 2019
Magnetic memory device including magnetic portions nonmagnetic layers
TOSHIBA MEMORY CORP1 citations62
US10311932B2Jun 4, 2019
Magnetic memory device
TOSHIBA MEMORY CORP1 citations62
US11217628B2Jan 4, 2022
Magnetic memory
TOSHIBA MEMORY CORP0 citations61
US10424724B2Sep 24, 2019
Magnetic element and magnetic memory
TOSHIBA MEMORY CORP0 citations52
KIOXIA CORP
11 patentsUS12274075B2Apr 8, 2025
Magnetic memory
KIOXIA CORP0 citations62
US12512138B2Dec 30, 2025
Magnetic memory
KIOXIA CORP0 citations61
US12069962B2Aug 20, 2024
Magnetic memory
KIOXIA CORP0 citations61
US11232822B2Jan 25, 2022
Magnetic memory with circuit to supply shift pulse to move a domain wall in a magnetic body
KIOXIA CORP1 citations60
US12464733B2Nov 4, 2025
Magnetic memory
KIOXIA CORP0 citations52
US12178138B2Dec 24, 2024
Magnetic memory
KIOXIA CORP0 citations52
US12041788B2Jul 16, 2024
Storage device and method for manufacturing storage device
KIOXIA CORP0 citations52
US11227646B2Jan 18, 2022
Magnetic memory
KIOXIA CORP0 citations52
US11417831B2Aug 16, 2022
Magnetic memory
KIOXIA CORP0 citations51
US12419198B2Sep 16, 2025
Magnetic memory
KIOXIA CORP0 citations50
US11871586B2Jan 9, 2024
Magnetic memory
KIOXIA CORP0 citations50
NGK INSULATORS LTD
4 patentsUS10556365B2Feb 11, 2020
Method of manufacturing ceramic structure
NGK INSULATORS LTD2 citations70
US10046430B2Aug 14, 2018
End face grinding method and end face grinding device
NGK INSULATORS LTD1 citations48
US10350786B2Jul 16, 2019
Cutting method of honeycomb formed body, and manufacturing method of honeycomb structure
NGK INSULATORS LTD0 citations41
US10576609B2Mar 3, 2020
Manufacturing method of honeycomb structure, and grinding wheel
NGK INSULATORS LTD0 citations38