Electrooculography [EOG], e.g. detecting nystagmus; Electroretinography [ERG]

Electrooculography [EOG], e.g. detecting nystagmus; Electroretinography [ERG] · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA61B5/398
Official titleElectrooculography [EOG], e.g. detecting nystagmus; Electroretinography [ERG]
Display labelElectrooculography [EOG], e.g. detecting nystagmus; Electroretinography [ERG]
Total patents670

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201536
201631
201770
201842
201985
202083
202171
202277
202370
202446
202550
20269

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 A61B5/398?
CPC A61B5/398 is the Cooperative Patent Classification code for “Electrooculography [EOG], e.g. detecting nystagmus; Electroretinography [ERG].”
How many patents are filed under CPC A61B5/398 (Electrooculography [EOG], e.g. detecting nystagmus; Electroretinography [ERG])?
Our database includes 670 publications tagged with this CPC code.
Is patent activity under CPC A61B5/398 growing?
Publication counts under this code: 46 in 2024 vs 50 in 2025 (latest complete years).