Common mode choke coil

Common mode choke coil · 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 codeH01F2017/0093
Official title{Common mode choke coil}
Display labelCommon mode choke coil
Total patents771

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
201527
201655
201757
201879
201984
202083
202181
202274
202374
202480
202568
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 H01F2017/0093?
CPC H01F2017/0093 is the Cooperative Patent Classification code for “Common mode choke coil.”
How many patents are filed under CPC H01F2017/0093 (Common mode choke coil)?
Our database includes 771 publications tagged with this CPC code.
Is patent activity under CPC H01F2017/0093 growing?
Publication counts under this code: 80 in 2024 vs 68 in 2025 (latest complete years).