Inventor
DOI AYUMI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “DOI AYUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI HIGH TECH CORP
4 patentsUS11428652B2Aug 30, 2022
Pattern evaluation system and pattern evaluation method
HITACHI HIGH TECH CORP2 citations63
US12561823B2Feb 24, 2026
Structure estimation system and structure estimation program for estimating height of structure based on data from charged particle beam device
HITACHI HIGH TECH CORP1 citations61
US10854420B2Dec 1, 2020
Pattern evaluation device
HITACHI HIGH TECH CORP0 citations48
US10141159B2Nov 27, 2018
Sample observation device having a selectable acceleration voltage
HITACHI HIGH TECH CORP0 citations38