Magnetic composite
US-2025218631-A1 · Jul 3, 2025 · US
Ferrites
Ferrites · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F10/20 |
| Official title | Ferrites |
| Display label | Ferrites |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 9 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radio frequency signal correlator utilizing parametric pumping of spin waves
US-2025194429-A1 · Jun 12, 2025 · US
Coreless electronic substrates having embedded inductors
US-12272484-B2 · Apr 8, 2025 · US
Electrical steel lamination stacks with magnetic insulator coating for electrical apparatus cores
US-12237103-B2 · Feb 25, 2025 · US
Coil, electrical system including the same and method of making coil
US-2024296985-A1 · Sep 5, 2024 · US
Magnetic composite
US-2024128001-A1 · Apr 18, 2024 · US
Magnetic composite
US-2024079172-A1 · Mar 7, 2024 · US
Magnonic electromagnetic radiation sources with high output power at high frequencies
US-11817242-B2 · Nov 14, 2023 · US
Electrical steel lamination stacks with magnetic insulator coating for electrical apparatus cores
US-2023238163-A1 · Jul 27, 2023 · US
Chip-scale resonant gyrator for passive non-reciprocal devices
US-11695382-B2 · Jul 4, 2023 · US
Magnonic electromagnetic radiation sources with high output power at high frequencies
US-2023154662-A1 · May 18, 2023 · US
Coreless electronic substrates having embedded inductors
US-2022285079-A1 · Sep 8, 2022 · US
Semiconductor and ferromagnetic insulator heterostructure
US-11424409-B2 · Aug 23, 2022 · US
Ferrimagnetic heusler compounds with high spin polarization
US-2022262555-A1 · Aug 18, 2022 · US
Magnetic shielding unit for wireless power transmission and wireless power transmission module including same
US-11412644-B2 · Aug 9, 2022 · US
Tunnel magnetoresistive effect element and magnetic memory
US-11264290-B2 · Mar 1, 2022 · US
Ferrite laminate and noise suppression sheet
US-11096318-B2 · Aug 17, 2021 · US
Magnetic field shield sheet for wireless power transmission and wireless power receiving module comprising same
US-11087912-B2 · Aug 10, 2021 · US
Magnetoresistance effect element
US-11069852-B2 · Jul 20, 2021 · US
Power inductor and method of manufacturing the same
US-11037721-B2 · Jun 15, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F10/20?
- CPC H01F10/20 is the Cooperative Patent Classification code for “Ferrites.”
- How many patents are filed under CPC H01F10/20 (Ferrites)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC H01F10/20 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).