Ferrites · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F1/0315 |
| Official title | {Ferrites} |
| Display label | Ferrites |
| Total patents | 178 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 11 |
| 2017 | 17 |
| 2018 | 21 |
| 2019 | 22 |
| 2020 | 16 |
| 2021 | 15 |
| 2022 | 22 |
| 2023 | 18 |
| 2024 | 10 |
| 2025 | 9 |
| 2026 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2018358155-A1 · Dec 13, 2018 · US
US-2018337001-A1 · Nov 22, 2018 · US
US-2018330873-A1 · Nov 15, 2018 · US
US-2018308617-A1 · Oct 25, 2018 · US
US-2018301255-A1 · Oct 18, 2018 · US
US-10093491-B2 · Oct 9, 2018 · US
US-10096422-B2 · Oct 9, 2018 · US
US-2018268979-A1 · Sep 20, 2018 · US
US-2018244537-A1 · Aug 30, 2018 · US
US-2018226392-A1 · Aug 9, 2018 · US
US-2018137961-A1 · May 17, 2018 · US
US-9950958-B2 · Apr 24, 2018 · US
US-2018096761-A1 · Apr 5, 2018 · US
US-2018057408-A1 · Mar 1, 2018 · US
US-2018061569-A1 · Mar 1, 2018 · US
US-9905365-B2 · Feb 27, 2018 · US
US-2018037421-A1 · Feb 8, 2018 · US
US-2018009677-A1 · Jan 11, 2018 · US
US-2018005737-A1 · Jan 4, 2018 · US
US-2017369672-A1 · Dec 28, 2017 · US
Answers are generated from the same data shown on this page.