Vacuum capacitor
US-12412706-B2 · Sep 9, 2025 · US
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using variation of effective area of electrode
using variation of effective area of electrode · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01G5/04 |
| Official title | using variation of effective area of electrode |
| Display label | using variation of effective area of electrode |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Vacuum capacitor
US-2025273404-A1 · Aug 28, 2025 · US
Vacuum capacitor
US-2025259798-A1 · Aug 14, 2025 · US
Adjustable capacitor and electronic apparatus
US-2025062076-A1 · Feb 20, 2025 · US
Variable capacitor comprised of first and second comb structures having first and second sets of switchably connected fingers, a reflection phase shifter, and a semiconductor device
US-12057818-B2 · Aug 6, 2024 · US
Trigger switch
US-11923154-B2 · Mar 5, 2024 · US
Tamper detection device, system, and method
US-11768971-B2 · Sep 26, 2023 · US
Trigger switch
US-2022246370-A1 · Aug 4, 2022 · US
Variable Capacitor, Reflection-Type Phase Shifter, and Semiconductor Device
US-2022182015-A1 · Jun 9, 2022 · US
Tamper detection device, system, and method
US-2021110690-A1 · Apr 15, 2021 · US
Pen-shaped position indicator
US-10921906-B2 · Feb 16, 2021 · US
AC power connector, sputtering apparatus and method therefor
US-10818475-B2 · Oct 27, 2020 · US
Composite electronic component
US-10367467-B2 · Jul 30, 2019 · US
Composite electronic component
US-2018123545-A1 · May 3, 2018 · US
Capacitor
US-9483127-B2 · Nov 1, 2016 · US
Pen-shaped position indicator
US-2016188019-A1 · Jun 30, 2016 · US
Wireless power transmission system
US-9319107-B2 · Apr 19, 2016 · US
MEMS devices exhibiting linear characteristics
US-8966990-B2 · Mar 3, 2015 · US