the devices having potential barriers, e.g. phototransistors

the devices having potential barriers, e.g. phototransistors · 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 codeH10F30/20
Official titlethe devices having potential barriers, e.g. phototransistors
Display labelthe devices having potential barriers, e.g. phototransistors
Total patents969

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201540
201629
201747
201863
2019113
2020128
2021116
2022106
202396
2024114
202598
202619

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 H10F30/20?
CPC H10F30/20 is the Cooperative Patent Classification code for “the devices having potential barriers, e.g. phototransistors.”
How many patents are filed under CPC H10F30/20 (the devices having potential barriers, e.g. phototransistors)?
Our database includes 969 publications tagged with this CPC code.
Is patent activity under CPC H10F30/20 growing?
Publication counts under this code: 114 in 2024 vs 98 in 2025 (latest complete years).