Inventor
SAKUMA KIWAMU
JP58 patents
⚠️ This page may combine multiple inventors who share the name “SAKUMA KIWAMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
21 patentsUS9564450B2Feb 7, 2017
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK173 citations99
US8896054B2Nov 25, 2014
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK174 citations99
US9502431B2Nov 22, 2016
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK15 citations84
US9177809B2Nov 3, 2015
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK6 citations84
US8952441B2Feb 10, 2015
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK11 citations84
US9293470B2Mar 22, 2016
Non-volatile semiconductor memory device
TOSHIBA KK6 citations83
US9768380B2Sep 19, 2017
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK3 citations73
US9614103B2Apr 4, 2017
Semiconductor device and method for manufacturing the same
TOSHIBA KK5 citations73
US9318532B2Apr 19, 2016
Semiconductor memory device
TOSHIBA KK5 citations73
US9275729B2Mar 1, 2016
Semiconductor memory device
TOSHIBA KK5 citations73
US9711518B2Jul 18, 2017
Non-volatile semiconductor memory device
TOSHIBA KK2 citations72
US9117848B2Aug 25, 2015
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK3 citations63
US8987088B2Mar 24, 2015
Method of manufacturing nonvolatile semiconductor memory device
TOSHIBA KK3 citations63
US9530855B2Dec 27, 2016
Semiconductor device with polycrystalline silicon film
TOSHIBA KK2 citations62
US9685462B2Jun 20, 2017
Semiconductor device and method of manufacturing the same
TOSHIBA KK0 citations52
US9373631B2Jun 21, 2016
Nonvolatile semiconductor memory device
TOSHIBA KK0 citations52
US9305936B2Apr 5, 2016
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK0 citations52
US9230975B2Jan 5, 2016
Nonvolatile semiconductor memory device
TOSHIBA KK1 citations52
US8987807B2Mar 24, 2015
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK1 citations52
US8981461B2Mar 17, 2015
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA KK1 citations52
US8884648B2Nov 11, 2014
Programmable logic switch
TOSHIBA KK1 citations52
TOSHIBA MEMORY CORP
13 patentsUS10930847B2Feb 23, 2021
Memory device
TOSHIBA MEMORY CORP9 citations85
US10347650B1Jul 9, 2019
Semiconductor memory device
TOSHIBA MEMORY CORP8 citations84
US9818757B2Nov 14, 2017
Semiconductor device
TOSHIBA MEMORY CORP12 citations84
US9786683B1Oct 10, 2017
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA MEMORY CORP15 citations84
US10832742B2Nov 10, 2020
Semiconductor storage device
TOSHIBA MEMORY CORP3 citations73
US10438801B2Oct 8, 2019
Semiconductor memory device
TOSHIBA MEMORY CORP3 citations73
US10043864B2Aug 7, 2018
Thin film semiconductor device
TOSHIBA MEMORY CORP3 citations73
US10038032B2Jul 31, 2018
Semiconductor memory device, semiconductor device, and method for manufacturing the same
TOSHIBA MEMORY CORP2 citations73
US9929166B1Mar 27, 2018
Semiconductor device
TOSHIBA MEMORY CORP6 citations73
US9905571B2Feb 27, 2018
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA MEMORY CORP3 citations73
US9805927B2Oct 31, 2017
Nonvolatile semiconductor memory device
TOSHIBA MEMORY CORP2 citations73
US10833103B2Nov 10, 2020
Semiconductor memory device
TOSHIBA MEMORY CORP3 citations72
US10418551B2Sep 17, 2019
Semiconductor memory device
TOSHIBA MEMORY CORP1 citations63
KIOXIA CORP
6 patentsUS11482269B2Oct 25, 2022
Semiconductor memory device
KIOXIA CORP2 citations73
US12261221B2Mar 25, 2025
Transistor, semiconductor memory device, and manufacturing method for transistor
KIOXIA CORP3 citations72
US11871557B2Jan 9, 2024
Semiconductor device and semiconductor memory device
KIOXIA CORP3 citations72
US11430500B2Aug 30, 2022
Semiconductor storage device
KIOXIA CORP0 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
US11195844B2Dec 7, 2021
Semiconductor memory device and method of manufacturing the same
KIOXIA CORP0 citations52
SAKUMA KIWAMU
5 patentsUS8513725B2Aug 20, 2013
Nonvolatile semiconductor memory device and method of manufacturing the same
SAKUMA KIWAMU193 citations99
US8779502B2Jul 15, 2014
Nonvolatile semiconductor memory
SAKUMA KIWAMU466 citations98
US8710580B2Apr 29, 2014
Semiconductor device and method of manufacturing the same
SAKUMA KIWAMU472 citations98
US9076722B2Jul 7, 2015
Nonvolatile semiconductor memory device
SAKUMA KIWAMU19 citations92
US8546872B2Oct 1, 2013
Nonvolatile semiconductor memory device and method of manufacturing the same
SAKUMA KIWAMU6 citations84
SAITOH MASUMI
1 patentZAITSU KOICHIRO
1 patentTATSUMURA KOSUKE
1 patentKUSAI HARUKA
1 patentTANAMOTO TETSUFUMI
1 patentShowing the top 50 of 58 patents by PatentIndex Score.