Ferrite magnet
US-11417447-B2 · Aug 16, 2022 · US
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Ferrites containing Fe2+
Ferrites containing Fe2+ · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B2235/83 |
| Official title | Ferrites containing Fe2+ |
| Display label | Ferrites containing Fe2+ |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2017 | 1 |
| 2019 | 5 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ferrite composition and multilayer electronic component
US-11410807-B2 · Aug 9, 2022 · US
MnZn ferrite and its production method
US-10919809-B2 · Feb 16, 2021 · US
Cathode material and fuel cell
US-10749187-B2 · Aug 18, 2020 · US
Ferrite composition and multilayer electronic component
US-2020258668-A1 · Aug 13, 2020 · US
Cathode material and fuel cell
US-2020044260-A9 · Feb 6, 2020 · US
Co2 Z-type ferrite composite material for use in ultra-high frequency antennas
US-10468169-B2 · Nov 5, 2019 · US
Ferrite magnet
US-2019206594-A1 · Jul 4, 2019 · US
Cathode material and fuel cell
US-10312525-B2 · Jun 4, 2019 · US
Cathode material and fuel cell
US-2019157687-A1 · May 23, 2019 · US
Mnzn ferrite and its production method
US-2019062217-A1 · Feb 28, 2019 · US
Co2 Z-Type Ferrite Composite Material for Use in Ultra-High Frequency Antennas
US-2017213628-A1 · Jul 27, 2017 · US
Cathode material and fuel cell
US-2015349349-A1 · Dec 3, 2015 · US