Electronic unit
US-2019392993-A1 · Dec 26, 2019 · US
Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices with other electric components not covered by this subclass
Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices with other electric components not covered by this subclass · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G9/28 |
| Official title | Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices with other electric components not covered by this subclass |
| Display label | Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices with other electric components not covered by this subclass |
| Total patents | 153 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 15 |
| 2017 | 14 |
| 2018 | 21 |
| 2019 | 14 |
| 2020 | 15 |
| 2021 | 15 |
| 2022 | 15 |
| 2023 | 18 |
| 2024 | 9 |
| 2025 | 10 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Semiconductor device with substrate temperature monitor circuit
US-10505518-B2 · Dec 10, 2019 · US
Electric compressor
US-10498201-B2 · Dec 3, 2019 · US
Photoelectric conversion device
US-2019198260-A1 · Jun 27, 2019 · US
Electrical circuit arrangement having a capacitor with a housing function
US-10306794-B2 · May 28, 2019 · US
Photocapacitor
US-2019122830-A1 · Apr 25, 2019 · US
Electronic component and board having the same
US-2019069411-A1 · Feb 28, 2019 · US
Power conversion device
US-2019036457-A1 · Jan 31, 2019 · US
OLED device and method for manufacturing the same
US-10163580-B2 · Dec 25, 2018 · US
Charging method and apparatus
US-10164457-B2 · Dec 25, 2018 · US
Capacitor substrate unit for opening/closing module
US-2018367055-A1 · Dec 20, 2018 · US
Sintered electrodes for capacitor anodes, cathodes, anode systems, and cathode systems
US-2018358183-A1 · Dec 13, 2018 · US
Inverter
US-2018359846-A1 · Dec 13, 2018 · US
Oled device and method for manufacturing the same
US-2018323014-A1 · Nov 8, 2018 · US
Energy storage apparatus and method of manufacturing energy storage apparatus
US-10096868-B2 · Oct 9, 2018 · US
Sintered electrodes for capacitor anodes, cathodes, anode systems, and cathode systems
US-10083798-B2 · Sep 25, 2018 · US
Electrical circuit arrangement having a capacitor with a housing function
US-2018270979-A1 · Sep 20, 2018 · US
Explosion-proof apparatus
US-2018226199-A1 · Aug 9, 2018 · US
Capacitor unit and capacitor casing structure
US-10037852-B2 · Jul 31, 2018 · US
Flat capacitor for an implantable medical device
US-10032565-B2 · Jul 24, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01G9/28?
- CPC H01G9/28 is the Cooperative Patent Classification code for “Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices with other electric components not covered by this subclass.”
- How many patents are filed under CPC H01G9/28 (Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices with other electric components not covered by this subclass)?
- Our database includes 153 publications tagged with this CPC code.
- Is patent activity under CPC H01G9/28 growing?
- Publication counts under this code: 9 in 2024 vs 10 in 2025 (latest complete years).