Inventor
GAWASE AKIFUMI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “GAWASE AKIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KIOXIA CORP
11 patentsUS11502204B2Nov 15, 2022
Semiconductor device and semiconductor memory device
KIOXIA CORP3 citations73
US11349033B2May 31, 2022
Semiconductor device and semiconductor memory device
KIOXIA CORP3 citations72
US11978807B2May 7, 2024
Semiconductor device and semiconductor memory device
KIOXIA CORP0 citations62
US11883926B2Jan 30, 2024
Polishing pad, semiconductor fabricating device and fabricating method of semiconductor device
KIOXIA CORP0 citations62
US12065725B2Aug 20, 2024
Film forming apparatus and film forming method
KIOXIA CORP0 citations59
US11534886B2Dec 27, 2022
Polishing device, polishing head, polishing method, and method of manufacturing semiconductor device
KIOXIA CORP0 citations59
US10985027B2Apr 20, 2021
Method for manufacturing semiconductor device
KIOXIA CORP0 citations59
US12381144B2Aug 5, 2025
Semiconductor device and method of manufacturing the same
KIOXIA CORP0 citations52
US12477718B2Nov 18, 2025
Semiconductor device and semiconductor memory device each having portions of oxide semiconductor between gate insulating layer and electrodes
KIOXIA CORP0 citations50
US12581695B2Mar 17, 2026
Semiconductor device
KIOXIA CORP0 citations47
US12432907B2Sep 30, 2025
Semiconductor device and semiconductor memory device
KIOXIA CORP0 citations41
TOSHIBA MEMORY CORP
11 patentsUS10850363B2Dec 1, 2020
Manufacturing method of semiconductor device and semiconductor manufacturing apparatus
TOSHIBA MEMORY CORP3 citations72
US9837279B2Dec 5, 2017
Manufacturing method of semiconductor device and semiconductor device manufacturing apparatus
TOSHIBA MEMORY CORP3 citations72
US10991588B2Apr 27, 2021
Manufacturing method of semiconductor device and semiconductor device manufacturing apparatus
TOSHIBA MEMORY CORP0 citations62
US10195716B2Feb 5, 2019
Dresser, method of manufacturing dresser, and method of manufacturing semiconductor device
TOSHIBA MEMORY CORP1 citations62
US10998283B2May 4, 2021
Semiconductor device production method
TOSHIBA MEMORY CORP0 citations51
US10283383B2May 7, 2019
Planarization method and planarization apparatus
TOSHIBA MEMORY CORP0 citations51
US10121677B2Nov 6, 2018
Manufacturing method of semiconductor device
TOSHIBA MEMORY CORP1 citations51
US10079153B2Sep 18, 2018
Semiconductor storage device
TOSHIBA MEMORY CORP0 citations51
US10010997B2Jul 3, 2018
Abrasive cloth and polishing method
TOSHIBA MEMORY CORP0 citations49
US10319734B2Jun 11, 2019
Semiconductor memory device having air gap
TOSHIBA MEMORY CORP0 citations42
US10008390B2Jun 26, 2018
Manufacturing method of semiconductor device and semiconductor manufacturing apparatus
TOSHIBA MEMORY CORP0 citations41
TOSHIBA KK
7 patentsUS9646989B1May 9, 2017
Three-dimensional memory device
TOSHIBA KK12 citations83
US8871644B2Oct 28, 2014
Method of manufacturing semiconductor device
TOSHIBA KK4 citations73
US7781301B2Aug 24, 2010
Method of fabricating semiconductor device
TOSHIBA KK2 citations63
US9144879B2Sep 29, 2015
Planarization method and planarization apparatus
TOSHIBA KK3 citations61
US9558961B2Jan 31, 2017
Manufacturing method of semiconductor device
TOSHIBA KK0 citations51
US9174322B2Nov 3, 2015
Manufacturing method of semiconductor device
TOSHIBA KK0 citations51
US9012246B2Apr 21, 2015
Manufacturing method of semiconductor device and polishing apparatus
TOSHIBA KK0 citations51