Manufacturing method of molded-forming power inductor
US-2024412920-A1 · Dec 12, 2024 · US
for manufacturing coils {(coils for transformer or inductances H01F27/28)}
for manufacturing coils {(coils for transformer or inductances H01F27/28)} · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F41/04 |
| Official title | for manufacturing coils {(coils for transformer or inductances H01F27/28)} |
| Display label | for manufacturing coils {(coils for transformer or inductances H01F27/28)} |
| Total patents | 1,114 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 47 |
| 2016 | 64 |
| 2017 | 71 |
| 2018 | 111 |
| 2019 | 107 |
| 2020 | 135 |
| 2021 | 135 |
| 2022 | 107 |
| 2023 | 114 |
| 2024 | 101 |
| 2025 | 97 |
| 2026 | 25 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vertical spiral inductor
US-9478348-B2 · Oct 25, 2016 · US
Method of manufacturing coil substrate and inductor
US-9396874-B2 · Jul 19, 2016 · US
Method for etching organic film
US-9376748-B2 · Jun 28, 2016 · US
Electronic component and method for manufacturing the same
US-2016180995-A1 · Jun 23, 2016 · US
Electronic component and method of manufacturing the same
US-2016172103-A1 · Jun 16, 2016 · US
Planar inductors with closed magnetic loops
US-9324495-B2 · Apr 26, 2016 · US
Coil component and method of manufacturing the same
US-9312068-B2 · Apr 12, 2016 · US
Non-contact power transmitter, electronic device on which non-contact power transmitter is mounted and method of manufacturing non-contact power transmitter
US-2016093433-A1 · Mar 31, 2016 · US
Method for manufacture of multi-layer-multi-turn high efficiency inductors
US-9300046-B2 · Mar 29, 2016 · US
Fluid pressure sensor
US-2016061678-A1 · Mar 3, 2016 · US
Coil capable of generating an intense magnetic field and method for manufacturing said coil
US-9275780-B2 · Mar 1, 2016 · US
Wire wound inductor and manufacturing method thereof
US-2016055961-A1 · Feb 25, 2016 · US
Vertical spiral inductor
US-2015371751-A1 · Dec 24, 2015 · US
High-q multipath parallel stacked inductor
US-2015364248-A1 · Dec 17, 2015 · US
Coil component
US-2015357115-A1 · Dec 10, 2015 · US
Reactor and manufacturing method thereof
US-2015357117-A1 · Dec 10, 2015 · US
Coil constructions for improved inductive energy transfer
US-2015348697-A1 · Dec 3, 2015 · US
Magnetic film enhanced inductor
US-9190201-B2 · Nov 17, 2015 · US
Electromagnetic drive coil unit and molding method thereof
US-2015302963-A1 · Oct 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F41/04?
- CPC H01F41/04 is the Cooperative Patent Classification code for “for manufacturing coils {(coils for transformer or inductances H01F27/28)}.”
- How many patents are filed under CPC H01F41/04 (for manufacturing coils {(coils for transformer or inductances H01F27/28)})?
- Our database includes 1,114 publications tagged with this CPC code.
- Is patent activity under CPC H01F41/04 growing?
- Publication counts under this code: 101 in 2024 vs 97 in 2025 (latest complete years).