Inventor
OKAJIMA MUTSUMI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “OKAJIMA MUTSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KIOXIA CORP
18 patentsUS12052854B2Jul 30, 2024
Semiconductor memory device
KIOXIA CORP2 citations73
US11569256B2Jan 31, 2023
Memory device with transistors above memory stacks and manufacturing method of the memory device
KIOXIA CORP2 citations73
US11956942B2Apr 9, 2024
Memory device and method for manufacturing the same
KIOXIA CORP1 citations62
US11942466B2Mar 26, 2024
Memory device having multiple chips and method for manufacturing the same
KIOXIA CORP0 citations62
US11387227B2Jul 12, 2022
Memory device having multiple chips and method for manufacturing the same
KIOXIA CORP1 citations62
US12575081B2Mar 10, 2026
Semiconductor device and semiconductor memory device that include an oxide semiconductor layer provided between a first electrode and a second electrode
KIOXIA CORP0 citations60
US12464733B2Nov 4, 2025
Magnetic memory
KIOXIA CORP0 citations52
US12464706B2Nov 4, 2025
Semiconductor memory device
KIOXIA CORP0 citations52
US12354696B2Jul 8, 2025
Semiconductor memory device
KIOXIA CORP0 citations52
US12354697B2Jul 8, 2025
Semiconductor memory device
KIOXIA CORP0 citations52
US12238929B2Feb 25, 2025
Memory device
KIOXIA CORP0 citations52
US12041788B2Jul 16, 2024
Storage device and method for manufacturing storage device
KIOXIA CORP0 citations52
US11711925B2Jul 25, 2023
Magnetic memory
KIOXIA CORP0 citations52
US11665882B2May 30, 2023
Semiconductor memory device
KIOXIA CORP0 citations52
US12581688B2Mar 17, 2026
Semiconductor device, semiconductor memory device, and semiconductor device manufacturing method
KIOXIA CORP0 citations50
US11871586B2Jan 9, 2024
Magnetic memory
KIOXIA CORP0 citations50
US12575083B2Mar 10, 2026
Semiconductor device and semiconductor memory device
KIOXIA CORP0 citations48
US11900986B2Feb 13, 2024
Semiconductor memory device with a plurality of memory units
KIOXIA CORP0 citations43
TOSHIBA KK
10 patentsUS7713819B2May 11, 2010
Semiconductor device manufacturing method and semiconductor integrated circuit device
TOSHIBA KK20 citations92
US7687387B2Mar 30, 2010
Semiconductor device and method of manufacturing the same
TOSHIBA KK35 citations87
US6759333B2Jul 6, 2004
Semiconductor device and method of manufacturing the same
TOSHIBA KK13 citations84
US9570392B2Feb 14, 2017
Memory device and method for manufacturing the same
TOSHIBA KK2 citations73
US9257484B2Feb 9, 2016
Non-volatile memory device and method of manufacturing the same
TOSHIBA KK4 citations73
US9093642B2Jul 28, 2015
Non-volatile memory device and method of manufacturing the same
TOSHIBA KK5 citations73
US9721961B2Aug 1, 2017
Semiconductor memory device
TOSHIBA KK4 citations72
US7851305B2Dec 14, 2010
Method of manufacturing nonvolatile semiconductor memory
TOSHIBA KK4 citations62
US7321147B2Jan 22, 2008
Semiconductor device including a trench capacitor
TOSHIBA KK4 citations62
US9704922B2Jul 11, 2017
Semiconductor memory device and method of manufacturing the same while avoiding process damage to a variable resistance film
TOSHIBA KK0 citations41
TOSHIBA MEMORY CORP
6 patentsUS10192928B2Jan 29, 2019
Semiconductor device and method of manufacturing the same
TOSHIBA MEMORY CORP7 citations83
US9768233B1Sep 19, 2017
Semiconductor device and method of manufacturing the same
TOSHIBA MEMORY CORP14 citations83
US10269433B2Apr 23, 2019
Memory device
TOSHIBA MEMORY CORP2 citations73
US10332935B2Jun 25, 2019
Storage apparatus
TOSHIBA MEMORY CORP0 citations42
US10325958B2Jun 18, 2019
Memory device and method for manufacturing same
TOSHIBA MEMORY CORP0 citations41
US10211259B2Feb 19, 2019
Semiconductor memory device and method of manufacturing the same
TOSHIBA MEMORY CORP0 citations41