Iron-chromium-cobalt alloy magnet and method for producing same
US-2024304365-A1 · Sep 12, 2024 · US
metals or alloys
metals or alloys · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F1/04 |
| Official title | metals or alloys |
| Display label | metals or alloys |
| Total patents | 67 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 11 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Applied magnetic field synthesis and processing of iron nitride magnetic materials
US-11996232-B2 · May 28, 2024 · US
Method for producing magnetic refrigeration material, and magnetic refrigeration material
US-2023405670-A1 · Dec 21, 2023 · US
Method for producing magnetic refrigeration material, and magnetic refrigeration material
US-11806782-B2 · Nov 7, 2023 · US
Method for producing magnetic refrigeration material, and magnetic refrigeration material
US-2023302532-A1 · Sep 28, 2023 · US
Composite components and methods of manufacturing composite components using magnetic forces at fiber preform seams
US-11642819-B2 · May 9, 2023 · US
Shielding structures for wireless charging systems
US-2022320912-A1 · Oct 6, 2022 · US
Magnetizable abrasive particles and method of making the same
US-2022306923-A1 · Sep 29, 2022 · US
Coreless electronic substrates having embedded inductors
US-2022285079-A1 · Sep 8, 2022 · US
Applied magnetic field synthesis and processing of iron nitride magnetic materials
US-11302472-B2 · Apr 12, 2022 · US
Transformers with separated magnetic members
US-2022068556-A1 · Mar 3, 2022 · US
Magnetic device
US-11163023-B2 · Nov 2, 2021 · US
High resistivity iron-based, thermally stable magnetic material for on-chip integrated inductors
US-11107878-B2 · Aug 31, 2021 · US
Applied magnetic field synthesis and processing of iron nitride magnetic materials
US-2021265111-A1 · Aug 26, 2021 · US
Composite components and methods of manufacturing composite components using magnetic forces at fiber preform seams
US-2021229327-A1 · Jul 29, 2021 · US
Layered structures
US-2021146668-A1 · May 20, 2021 · US
High resistivity soft magnetic material for miniaturized power converter
US-10971576-B2 · Apr 6, 2021 · US
Filter circuit, heating circuit, and semiconductor processing apparatus
US-10879866-B2 · Dec 29, 2020 · US
Isotope enrichment for improved magnetic materials
US-10722845-B1 · Jul 28, 2020 · US
Isotope enrichment for improved magnetic materials
US-2020234858-A1 · Jul 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F1/04?
- CPC H01F1/04 is the Cooperative Patent Classification code for “metals or alloys.”
- How many patents are filed under CPC H01F1/04 (metals or alloys)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC H01F1/04 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).