Structure estimation system and structure estimation program for estimating height of structure based on data from charged particle beam device
US-12561823-B2 · Feb 24, 2026 · US
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Doi Ayumi patents
Doi Ayumi is listed as an inventor on 13 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Doi Ayumi |
| Total patents | 13 |
| First publication | Dec 24, 2015 |
| Latest publication | Feb 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Pattern Measurement Method, Measurement System, and Computer-Readable Medium
US-2025327663-A1 · Oct 23, 2025 · US
Depth Measurement Device, Depth Measurement System, and Depth Index Calculation Method
US-2024240937-A1 · Jul 18, 2024 · US
Charged Particle Beam Device, Charged Particle Beam System, and Adjustment Method
US-2023386781-A1 · Nov 30, 2023 · US
Pattern evaluation system and pattern evaluation method
US-11428652-B2 · Aug 30, 2022 · US
Structure Estimation System and Structure Estimation Program
US-2022130027-A1 · Apr 28, 2022 · US
Pattern Measurement Method, Measurement System, and Computer-Readable Medium
US-2021404801-A1 · Dec 30, 2021 · US
Pattern evaluation device
US-10854420-B2 · Dec 1, 2020 · US
Pattern Evaluation System and Pattern Evaluation Method
US-2020363350-A1 · Nov 19, 2020 · US
Pattern evaluation device
US-2020098543-A1 · Mar 26, 2020 · US
Recent patents
Latest publications not already listed above.
Sample observation device having a selectable acceleration voltage
US-10141159-B2 · Nov 27, 2018 · US
Control circuit apparatus and endoscope apparatus
US-9451215-B2 · Sep 20, 2016 · US
Sample Observation Device
US-2015371816-A1 · Dec 24, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hitachi High Tech Corp | 12 |
| Olympus Corp | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H01J37/28 | 8 |
| G01N23/2251 | 8 |
| G01N2223/418 | 7 |
| G01N2223/6116 | 7 |
| H01J2237/2817 | 6 |