Inventor
ISHIGAKI HIROKAZU
JP7 patents
⚠️ This page may combine multiple inventors who share the name “ISHIGAKI HIROKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA MEMORY CORP
5 patentsUS10269821B2Apr 23, 2019
Three-dimensional semiconductor memory device and method for manufacturing the same
TOSHIBA MEMORY CORP1 citations61
US10658376B2May 19, 2020
Semiconductor device including a blocking layer having a varying thickness
TOSHIBA MEMORY CORP1 citations60
US9786678B2Oct 10, 2017
Nonvolatile semiconductor memory device and method of manufacturing the same
TOSHIBA MEMORY CORP1 citations51
US10263008B2Apr 16, 2019
Semiconductor memory device and method of manufacturing the same
TOSHIBA MEMORY CORP0 citations40
US10181477B2Jan 15, 2019
Semiconductor device and method for manufacturing same
TOSHIBA MEMORY CORP0 citations40