Inventor
KITAZAWA KEIGO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “KITAZAWA KEIGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANDISK TECHNOLOGIES LLC
5 patentsUS10192784B1Jan 29, 2019
Three-dimensional memory device containing self-aligned contact via structures and methods of manufacturing the same
SANDISK TECHNOLOGIES LLC47 citations92
US10580783B2Mar 3, 2020
Multi-tier three-dimensional memory device containing differential etch rate field oxides and method of making the same
SANDISK TECHNOLOGIES LLC16 citations83
US12432917B2Sep 30, 2025
Three-dimensional memory device including discrete memory elements and method of making the same
SANDISK TECHNOLOGIES LLC0 citations49
US11792986B2Oct 17, 2023
Dual sacrificial material replacement process for a three-dimensional memory device and structure formed by the same
SANDISK TECHNOLOGIES LLC0 citations49
US11387166B2Jul 12, 2022
Three-dimensional memory device with variable width contact via structures and methods for making the same
SANDISK TECHNOLOGIES LLC0 citations48