Heterodyne grating interferometry system based on secondary diffraction
US-12332053-B2 · Jun 17, 2025 · US
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Cheng Zhaokui patents
Cheng Zhaokui is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cheng Zhaokui |
| Total patents | 2 |
| First publication | Nov 16, 2023 |
| Latest publication | Jun 17, 2025 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Tsinghua | 2 |
| Beijing U Prec Tech Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01B9/02051 | 2 |
| G02B27/283 | 2 |
| G01B9/02028 | 2 |
| G01B9/02024 | 2 |
| G01B11/02 | 2 |