Inventor
SUGAHARA AKIO
JP52 patents
⚠️ This page may combine multiple inventors who share the name “SUGAHARA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KIOXIA CORP
30 patentsUS11507316B2Nov 22, 2022
Memory device
KIOXIA CORP4 citations84
US12001723B2Jun 4, 2024
Memory device
KIOXIA CORP2 citations73
US11714575B2Aug 1, 2023
Semiconductor memory device
KIOXIA CORP2 citations73
US11915778B2Feb 27, 2024
Semiconductor memory device outputting data from memory cell groups in parallel and system
KIOXIA CORP2 citations72
US11783899B2Oct 10, 2023
Semiconductor memory device
KIOXIA CORP2 citations72
US11532363B2Dec 20, 2022
Semiconductor memory device
KIOXIA CORP3 citations72
US11158382B2Oct 26, 2021
Semiconductor storage device
KIOXIA CORP2 citations72
US12087396B2Sep 10, 2024
Memory system
KIOXIA CORP2 citations71
US12298826B2May 13, 2025
Semiconductor memory device and memory system
KIOXIA CORP1 citations64
US12373143B2Jul 29, 2025
Memory device
KIOXIA CORP0 citations63
US11139007B2Oct 5, 2021
Semiconductor storage device and memory system
KIOXIA CORP1 citations63
US12300314B2May 13, 2025
Memory system and memory device
KIOXIA CORP0 citations62
US12266423B2Apr 1, 2025
Semiconductor memory device and memory system
KIOXIA CORP0 citations62
US12236139B2Feb 25, 2025
Semiconductor memory device
KIOXIA CORP0 citations62
US12033693B2Jul 9, 2024
Memory system and memory device
KIOXIA CORP0 citations62
US11961583B2Apr 16, 2024
Semiconductor storage device and method of controlling the same
KIOXIA CORP0 citations62
US11776624B2Oct 3, 2023
Memory system and memory device
KIOXIA CORP0 citations62
US11694731B2Jul 4, 2023
Semiconductor storage device and method of controlling the same
KIOXIA CORP0 citations62
US11594278B2Feb 28, 2023
Memory system and memory device
KIOXIA CORP0 citations62
US11423958B2Aug 23, 2022
Semiconductor memory device having a first plane and a second plane including respective latch circuits, and first and second FIFO circuits for fetching read data from the latch circuits
KIOXIA CORP1 citations62
US11423961B2Aug 23, 2022
Semiconductor storage device and method of controlling the same
KIOXIA CORP0 citations62
US11257541B2Feb 22, 2022
Memory system and memory device
KIOXIA CORP0 citations62
US12229450B2Feb 18, 2025
Semiconductor memory device
KIOXIA CORP0 citations61
US12198767B2Jan 14, 2025
Semiconductor memory device
KIOXIA CORP0 citations61
US11861226B2Jan 2, 2024
Semiconductor memory device
KIOXIA CORP0 citations61
US12159677B2Dec 3, 2024
Memory device which generates operation voltages in parallel with reception of an address
KIOXIA CORP0 citations60
US11705210B2Jul 18, 2023
Memory device which generates operation voltages in parallel with reception of an address
KIOXIA CORP0 citations60
US12578902B2Mar 17, 2026
Semiconductor storage device
KIOXIA CORP0 citations52
US12321262B2Jun 3, 2025
Memory system which orders data fetching from a latch circuit during execution of a read operation
KIOXIA CORP0 citations52
US12062412B2Aug 13, 2024
Semiconductor memory device
KIOXIA CORP0 citations51
TOSHIBA MEMORY CORP
16 patentsUS10249377B2Apr 2, 2019
Semiconductor memory device
TOSHIBA MEMORY CORP30 citations92
US10777239B2Sep 15, 2020
Semiconductor storage device and memory system
TOSHIBA MEMORY CORP12 citations86
US10860250B2Dec 8, 2020
Memory device
TOSHIBA MEMORY CORP7 citations84
US9977752B2May 22, 2018
Semiconductor storage device and control method thereof
TOSHIBA MEMORY CORP5 citations84
US10276221B2Apr 30, 2019
Semiconductor storage device and method of controlling the same
TOSHIBA MEMORY CORP6 citations83
US10957404B2Mar 23, 2021
Memory device which generates operation voltages in parallel with reception of an address
TOSHIBA MEMORY CORP7 citations82
US10026491B2Jul 17, 2018
Semiconductor memory device and memory system
TOSHIBA MEMORY CORP11 citations82
US11093172B2Aug 17, 2021
Semiconductor memory device
TOSHIBA MEMORY CORP3 citations73
US10910023B2Feb 2, 2021
Semiconductor storage device and memory system
TOSHIBA MEMORY CORP1 citations73
US10650869B2May 12, 2020
Semiconductor storage device and method of controlling the same
TOSHIBA MEMORY CORP1 citations72
US10504598B2Dec 10, 2019
Non-volatile semiconductor storage device with two write modes
TOSHIBA MEMORY CORP5 citations72
US11257551B2Feb 22, 2022
Memory device which generates operation voltages in parallel with reception of an address
TOSHIBA MEMORY CORP1 citations71
US10930357B2Feb 23, 2021
Semiconductor storage device having a temperature sensor that generates a temperature signal based on which applied voltages are generated
TOSHIBA MEMORY CORP2 citations71
US10991402B2Apr 27, 2021
Semiconductor storage device and method of controlling the same
TOSHIBA MEMORY CORP0 citations62
US10679706B2Jun 9, 2020
Semiconductor storage device
TOSHIBA MEMORY CORP1 citations61
US10089257B2Oct 2, 2018
Semiconductor storage device and control method thereof
TOSHIBA MEMORY CORP0 citations52
TOSHIBA KK
4 patentsUS9558837B2Jan 31, 2017
Nonvolatile semiconductor memory device
TOSHIBA KK10 citations84
US9431078B2Aug 30, 2016
Semiconductor storage device and control method thereof
TOSHIBA KK4 citations84
US9659652B2May 23, 2017
Semiconductor storage device and control method thereof
TOSHIBA KK0 citations52
US9070444B2Jun 30, 2015
Semiconductor memory device
TOSHIBA KK0 citations52
Showing the top 50 of 52 patents by PatentIndex Score.