Transformer device and electronic device comprising same
US-12597556-B2 · Apr 7, 2026 · US
characterised by their coercivity {(H01F1/40 takes precedence)}
characterised by their coercivity {(H01F1/40 takes precedence)} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F1/03 |
| Official title | characterised by their coercivity {(H01F1/40 takes precedence)} |
| Display label | characterised by their coercivity {(H01F1/40 takes precedence)} |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stylus pen
US-12572226-B2 · Mar 10, 2026 · US
Iron-rich permanent magnet
US-12573551-B2 · Mar 10, 2026 · US
Injection-molding-type magnetic field shielding member and wireless power reception module comprising same
US-2026018332-A1 · Jan 15, 2026 · US
Layered structure, magnetoresistive device using the same, and method of fabricating layered structure
US-12389805-B2 · Aug 12, 2025 · US
Magnetostrictive material and element containing same
US-2025212692-A1 · Jun 26, 2025 · US
Electronic pen including core structure, and electronic device including same
US-2025181178-A1 · Jun 5, 2025 · US
Stylus pen
US-2025093978-A1 · Mar 20, 2025 · US
Magnetic Nanoparticles
US-2025006410-A1 · Jan 2, 2025 · US
Stylus pen
US-12175026-B2 · Dec 24, 2024 · US
Magneto-sensitive wire for magnetic sensors and production method therefor
US-12013447-B2 · Jun 18, 2024 · US
Iron-rich permanent magnet
US-2024112855-A1 · Apr 4, 2024 · US
Iron-rich permanent magnet
US-11875934-B2 · Jan 16, 2024 · US
Stylus pen
US-2023341953-A1 · Oct 26, 2023 · US
Ferrimagnetic Heusler compounds with high spin polarization
US-11756578-B2 · Sep 12, 2023 · US
Stylus pen
US-11662837-B2 · May 30, 2023 · US
Transformer device and electronic device comprising same
US-2023035452-A1 · Feb 2, 2023 · US
Layered structure, magnetoresistive device using the same, and method of fabricating layered structure
US-2022384711-A1 · Dec 1, 2022 · US
Ferrimagnetic heusler compounds with high spin polarization
US-2022262555-A1 · Aug 18, 2022 · US
Stylus pen
US-2022206598-A1 · Jun 30, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F1/03?
- CPC H01F1/03 is the Cooperative Patent Classification code for “characterised by their coercivity {(H01F1/40 takes precedence)}.”
- How many patents are filed under CPC H01F1/03 (characterised by their coercivity {(H01F1/40 takes precedence)})?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC H01F1/03 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).