Magnetic core with flexible packaging
US-10847293-B2 · Nov 24, 2020 · US
made from strips or ribbons
made from strips or ribbons · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F3/04 |
| Official title | made from strips or ribbons |
| Display label | made from strips or ribbons |
| Total patents | 195 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 16 |
| 2018 | 12 |
| 2019 | 14 |
| 2020 | 20 |
| 2021 | 25 |
| 2022 | 24 |
| 2023 | 24 |
| 2024 | 20 |
| 2025 | 27 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radial-gap-type rotary electric machine, production method for radial-gap-type rotary electric machine, production device for rotary electric machine teeth piece, and production method for rotary electric machine teeth member
US-2020259403-A1 · Aug 13, 2020 · US
Magnet core for low-frequency applications and method for producing a magnet core for low-frequency applications
US-2020227204-A9 · Jul 16, 2020 · US
Method for producing alloy ribbon
US-2020224286-A1 · Jul 16, 2020 · US
Stationary induction apparatus core
US-10665381-B2 · May 26, 2020 · US
Heat treatment apparatus for laminated body of amorphous alloy ribbon and soft magnetic core
US-10636567-B2 · Apr 28, 2020 · US
Method of fabricating a magnetic stack arrangement of a laminated magnetic inductor
US-10597769-B2 · Mar 24, 2020 · US
Method and device for producing soft magnetic strip material for strip ring cores
US-10580571-B2 · Mar 3, 2020 · US
Laminate for use in core
US-2019379246-A1 · Dec 12, 2019 · US
Bifilar layer-insulated magnetic core and method for the production of a wound nanocrystalline magnetic core
US-2019355514-A1 · Nov 21, 2019 · US
Inductor and emi filter including the same
US-2019355500-A1 · Nov 21, 2019 · US
Rapidly quenched Fe-based soft-magnetic alloy ribbon and its production method and core
US-10468182-B2 · Nov 5, 2019 · US
Wireless power transfer antenna core and wireless power transfer module including same
US-2019228907-A1 · Jul 25, 2019 · US
Core for high-frequency acceleration cavity, and manufacturing method thereof
US-10356890-B2 · Jul 16, 2019 · US
Amorphous alloy magnetic core and method of manufacturing the same
US-2019189317-A1 · Jun 20, 2019 · US
Iron core and motor using iron core
US-2019181700-A1 · Jun 13, 2019 · US
Iron core and motor
US-2019173328-A1 · Jun 6, 2019 · US
Method for producing magnetic component using amorphous or nanocrystalline soft magnetic material
US-2019156999-A1 · May 23, 2019 · US
Method of manufacturing amorphous alloy magnetic core
US-10283265-B2 · May 7, 2019 · US
Shielding film and method for producing a shielding film
US-2019133005-A1 · May 2, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F3/04?
- CPC H01F3/04 is the Cooperative Patent Classification code for “made from strips or ribbons.”
- How many patents are filed under CPC H01F3/04 (made from strips or ribbons)?
- Our database includes 195 publications tagged with this CPC code.
- Is patent activity under CPC H01F3/04 growing?
- Publication counts under this code: 20 in 2024 vs 27 in 2025 (latest complete years).