Capacitor and method for manufacturing same
US-2024347278-A1 · Oct 17, 2024 · US
Wound capacitors
Wound capacitors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G4/32 |
| Official title | Wound capacitors |
| Display label | Wound capacitors |
| Total patents | 554 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 25 |
| 2017 | 40 |
| 2018 | 54 |
| 2019 | 48 |
| 2020 | 60 |
| 2021 | 46 |
| 2022 | 62 |
| 2023 | 61 |
| 2024 | 65 |
| 2025 | 54 |
| 2026 | 20 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polycarbonates having superior dielectric properties suitable for energy dense capacitors
US-2017369409-A1 · Dec 28, 2017 · US
Capacitor with improved heat dissipation
US-9831035-B2 · Nov 28, 2017 · US
Low inductance capacitor
US-2017338041-A1 · Nov 23, 2017 · US
Capacitor and method of production thereof
US-2017301467-A1 · Oct 19, 2017 · US
Film capacitor
US-2017301473-A1 · Oct 19, 2017 · US
Electro-polarizable compound and capacitor
US-2017287637-A1 · Oct 5, 2017 · US
Film capacitor
US-9779877-B2 · Oct 3, 2017 · US
Furuta co-polymer and capacitor
US-2017236641-A1 · Aug 17, 2017 · US
Winding-type stacked body for condenser with high electrostatic capacitance and stacked winding-type condenser using the same
US-2017178816-A1 · Jun 22, 2017 · US
Capacitor assembly and related method of forming
US-2017169948-A1 · Jun 15, 2017 · US
Capacitor and method for manufacturing the same
US-9672985-B2 · Jun 6, 2017 · US
Metallized film capacitor
US-9640324-B2 · May 2, 2017 · US
Highly crosslinked polymer dielectric films for improved capacitor performance
US-9611346-B2 · Apr 4, 2017 · US
Manufacturing processes for forming metallized film capacitors and related metallized film capacitors
US-2017062144-A1 · Mar 2, 2017 · US
Film capacitor and manufacturing method therefor
US-2017053744-A1 · Feb 23, 2017 · US
Coiled capacitor
US-2016379757-A1 · Dec 29, 2016 · US
Film capacitor and connection type capacitor, inverter, and electric-powered vehicle
US-2016372264-A1 · Dec 22, 2016 · US
Clad metal bus bar for film capacitor and film capacitor comprising the same
US-9520235-B2 · Dec 13, 2016 · US
Metallized film and metallized film capacitor using same
US-9502179-B2 · Nov 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01G4/32?
- CPC H01G4/32 is the Cooperative Patent Classification code for “Wound capacitors.”
- How many patents are filed under CPC H01G4/32 (Wound capacitors)?
- Our database includes 554 publications tagged with this CPC code.
- Is patent activity under CPC H01G4/32 growing?
- Publication counts under this code: 65 in 2024 vs 54 in 2025 (latest complete years).