Scanning electron microscope and sample observation method
US-9991092-B2 · Jun 5, 2018 · US
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Cheng Zhaohui patents
Cheng Zhaohui holds 4 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 4 |
| Recent patents | 0 |
| First publication | Feb 5, 2015 |
| Latest publication | Jun 5, 2018 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Method for estimating shape before shrink and CD-SEM apparatus
US-9830524-B2 · Nov 28, 2017 · US
Charged particle beam apparatus for removing charges developed on a region of a sample
US-9202665-B2 · Dec 1, 2015 · US
Method for estimating shape before shrink and cd-sem apparatus
US-2015036914-A1 · Feb 5, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Scanning electron microscope and sample observation method
US-9991092-B2 · Jun 5, 2018 · US
Method for estimating shape before shrink and CD-SEM apparatus
US-9830524-B2 · Nov 28, 2017 · US
Charged particle beam apparatus for removing charges developed on a region of a sample
US-9202665-B2 · Dec 1, 2015 · US
Method for estimating shape before shrink and cd-sem apparatus
US-2015036914-A1 · Feb 5, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| H01J37/28 | 2 |
| H10P74/203 | 2 |
| G06K9/4604 | 2 |
| G06T7/0004 | 2 |
| G01N23/22 | 2 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Electricity | 4 |
| Operations & Transport | 2 |
| Physics | 2 |