Antenna module and electronic device
US-10141650-B2 · Nov 27, 2018 · US
with the coil helically wound around an axis without a core
with the coil helically wound around an axis without a core · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F2017/004 |
| Official title | {with the coil helically wound around an axis without a core} |
| Display label | with the coil helically wound around an axis without a core |
| Total patents | 388 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 15 |
| 2017 | 26 |
| 2018 | 33 |
| 2019 | 44 |
| 2020 | 40 |
| 2021 | 33 |
| 2022 | 42 |
| 2023 | 49 |
| 2024 | 40 |
| 2025 | 43 |
| 2026 | 12 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Inductor device
US-2018330872-A1 · Nov 15, 2018 · US
Thin film coil and electronic device having the same
US-10122183-B2 · Nov 6, 2018 · US
High power density printed circuit board (PCB) embedded inductors
US-10121584-B2 · Nov 6, 2018 · US
Inductor and method for manufacturing the same
US-2018301277-A1 · Oct 18, 2018 · US
High Power Density Printed Circuit Board (PCB) Embedded Inductors
US-2018204664-A1 · Jul 19, 2018 · US
Inductor element, inductor element manufacturing method, and semiconductor device with inductor element mounted thereon
US-2018175136-A1 · Jun 21, 2018 · US
Stepped-width co-spiral inductor structure
US-2018033537-A1 · Feb 1, 2018 · US
Electronic component
US-2017365396-A1 · Dec 21, 2017 · US
Coil component
US-2017345558-A1 · Nov 30, 2017 · US
Thin film coil and electronic device having the same
US-2017317506-A1 · Nov 2, 2017 · US
Thin film coil and electronic device having the same
US-2017317505-A1 · Nov 2, 2017 · US
Electronic component
US-2017301460-A1 · Oct 19, 2017 · US
Electronic component and method for manufacturing electronic component
US-2017287620-A1 · Oct 5, 2017 · US
Electronic component
US-2017278624-A1 · Sep 28, 2017 · US
Electronic component and method of manufacturing the same
US-2017271084-A1 · Sep 21, 2017 · US
Electronic component
US-2017256352-A1 · Sep 7, 2017 · US
Antenna module and electronic device
US-2017214139-A1 · Jul 27, 2017 · US
Coil component
US-2017207020-A1 · Jul 20, 2017 · US
Three dimensional structures within mold compound
US-9711492-B2 · Jul 18, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F2017/004?
- CPC H01F2017/004 is the Cooperative Patent Classification code for “with the coil helically wound around an axis without a core.”
- How many patents are filed under CPC H01F2017/004 (with the coil helically wound around an axis without a core)?
- Our database includes 388 publications tagged with this CPC code.
- Is patent activity under CPC H01F2017/004 growing?
- Publication counts under this code: 40 in 2024 vs 43 in 2025 (latest complete years).