Inventor
FUJITSUKA RYOTA
JP30 patents
⚠️ This page may combine multiple inventors who share the name “FUJITSUKA RYOTA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
13 patentsUS7999304B2Aug 16, 2011
Semiconductor device
TOSHIBA KK52 citations94
US7723772B2May 25, 2010
Semiconductor memory device and method of manufacturing the same
TOSHIBA KK11 citations84
US7612404B2Nov 3, 2009
Semiconductor device
TOSHIBA KK10 citations84
US9406811B2Aug 2, 2016
Nonvolatile semiconductor memory device including a charge storage layer formed on first and second insulating layers
TOSHIBA KK2 citations63
US8008152B2Aug 30, 2011
Method of manufacturing semiconductor device
TOSHIBA KK4 citations63
US7972927B2Jul 5, 2011
Method of manufacturing a nonvolatile semiconductor memory device
TOSHIBA KK4 citations63
US7682899B2Mar 23, 2010
Method of manufacturing semiconductor device
TOSHIBA KK3 citations63
US7635891B2Dec 22, 2009
Semiconductor device
TOSHIBA KK5 citations63
US7635890B2Dec 22, 2009
Semiconductor device
TOSHIBA KK2 citations63
US7927949B2Apr 19, 2011
Semiconductor memory device and method of manufacturing the same
TOSHIBA KK5 citations62
US9293563B2Mar 22, 2016
Semiconductor memory device and method of manufacturing the same
TOSHIBA KK0 citations51
US9263319B2Feb 16, 2016
Semiconductor memory device and method for manufacturing the same
TOSHIBA KK0 citations51
US7999305B2Aug 16, 2011
Semiconductor device
TOSHIBA KK0 citations42
TOSHIBA MEMORY CORP
4 patentsUS10355006B2Jul 16, 2019
Semiconductor storage device and manufacturing method thereof
TOSHIBA MEMORY CORP1 citations59
US10854488B2Dec 1, 2020
Wafer conveying apparatus and wafer conveying method
TOSHIBA MEMORY CORP0 citations50
US10403531B2Sep 3, 2019
Semiconductor manufacturing apparatus with supporting columns and tables
TOSHIBA MEMORY CORP0 citations50
US9920427B2Mar 20, 2018
Semiconductor manufacturing apparatus and manufacturing method of semiconductor device
TOSHIBA MEMORY CORP0 citations40
KIOXIA CORP
3 patentsUS11758728B2Sep 12, 2023
Semiconductor device and method of manufacturing the same
KIOXIA CORP2 citations68
US12457740B2Oct 28, 2025
Semiconductor storage device including a low on-resistance joint between arrays
KIOXIA CORP0 citations52
US11309322B2Apr 19, 2022
Semiconductor memory device
KIOXIA CORP0 citations49