Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators

Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01J37/153
Official titleElectron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators
Display labelElectron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators
Total patents649

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201531
201632
201735
201843
201958
202067
202159
202273
202382
202465
202583
202621

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC H01J37/153?
CPC H01J37/153 is the Cooperative Patent Classification code for “Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators.”
How many patents are filed under CPC H01J37/153 (Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators)?
Our database includes 649 publications tagged with this CPC code.
Is patent activity under CPC H01J37/153 growing?
Publication counts under this code: 65 in 2024 vs 83 in 2025 (latest complete years).