Electrolytic capacitor and liquid component for electrolytic capacitor
US-12562317-B2 · Feb 24, 2026 · US
Details
Details · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G9/004 |
| Official title | Details |
| Display label | Details |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Tantalum capacitor
US-2025210277-A1 · Jun 26, 2025 · US
Energy storage device and method for manufacturing the same
US-2025087703-A1 · Mar 13, 2025 · US
Charge or electricity generating devices and methods of making and use thereof
US-12213327-B2 · Jan 28, 2025 · US
Tantalum capacitor
US-2025014841-A1 · Jan 9, 2025 · US
Energy storage device and method for manufacturing the same
US-12183929-B2 · Dec 31, 2024 · US
Tantalum capacitor having lead frame including plural electrode portions inclined in different directions
US-12176155-B2 · Dec 24, 2024 · US
Electrolytic capacitor and liquid component for electrolytic capacitor
US-2024177941-A1 · May 30, 2024 · US
Capacitor aging apparatus and capacitor aging method
US-11908631-B2 · Feb 20, 2024 · US
Capacitor element
US-11817273-B2 · Nov 14, 2023 · US
Tantalum capacitor
US-2023290579-A1 · Sep 14, 2023 · US
Charge or electricity generating devices and methods of making and use thereof
US-2023207149-A1 · Jun 29, 2023 · US
Electrolytic capacitor and seat plate
US-11664170-B2 · May 30, 2023 · US
Capacitor with insulation composition showing thermo-reversible oil-to-gel-transition
US-11657973-B2 · May 23, 2023 · US
Capacitor aging apparatus and capacitor aging method
US-2022392712-A1 · Dec 8, 2022 · US
Metal terminal-equipped electronic component and method for producing metal terminal- equipped electronic component
US-11508521-B2 · Nov 22, 2022 · US
Biocompatible oxygen gas generating devices for tissue engineering
US-11389583-B2 · Jul 19, 2022 · US
Solid electrolytic capacitor
US-2022013302-A1 · Jan 13, 2022 · US
Metal terminal-equipped electronic component and method for producing metal terminal-equipped electronic component
US-2022013289-A1 · Jan 13, 2022 · US
Delamination-resistant solid electrolytic capacitor
US-11222755-B2 · Jan 11, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01G9/004?
- CPC H01G9/004 is the Cooperative Patent Classification code for “Details.”
- How many patents are filed under CPC H01G9/004 (Details)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC H01G9/004 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).