Data retention circuit and method
US-12355446-B2 · Jul 8, 2025 · US
by the use, as active elements, of bipolar transistors with internal or external positive feedback (H03K3/023, H03K3/027 take precedence)
by the use, as active elements, of bipolar transistors with internal or external positive feedback (H03K3/023, H03K3/027 take precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03K3/26 |
| Official title | by the use, as active elements, of bipolar transistors with internal or external positive feedback (H03K3/023, H03K3/027 take precedence) |
| Display label | by the use, as active elements, of bipolar transistors with internal or external positive feedback (H03K3/023, H03K3/027 take precedence) |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Data retention circuit and method
US-2025192758-A1 · Jun 12, 2025 · US
Push-pull output driver and operational amplifier using same
US-12101068-B2 · Sep 24, 2024 · US
Data retention circuit and method
US-2023387894-A1 · Nov 30, 2023 · US
Data retention circuit and method
US-11757435-B2 · Sep 12, 2023 · US
Data retention circuit and method
US-2022368318-A1 · Nov 17, 2022 · US
Electrical stimulation devices and systems for safely operating such devices
US-11389653-B2 · Jul 19, 2022 · US
Push-pull output driver and operational amplifier using same
US-2021313942-A1 · Oct 7, 2021 · US
Push-pull output driver and operational amplifier using same
US-11070181-B2 · Jul 20, 2021 · US
Low supply voltage ring oscillator and method thereof
US-10886901-B1 · Jan 5, 2021 · US
Electrical stimulation devices and systems for safely operating such devices
US-2020188665-A1 · Jun 18, 2020 · US
Push-pull output driver and operational amplifier using same
US-2020162043-A1 · May 21, 2020 · US
Current-mode logic latches for a PVT-robust mod 3 frequency divider
US-10566957-B1 · Feb 18, 2020 · US
Oscillator
US-10511292-B2 · Dec 17, 2019 · US
Oscillator
US-2018351508-A1 · Dec 6, 2018 · US
Stable oscillator for use in an electronic circuit
US-9602052-B2 · Mar 21, 2017 · US
Oscillator
US-2017040944-A1 · Feb 9, 2017 · US
Semiconductor device
US-2016204741-A1 · Jul 14, 2016 · US
Circuit and method for compensating for early effects
US-2016126935-A1 · May 5, 2016 · US
Oscillator circuit
US-9306493-B2 · Apr 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03K3/26?
- CPC H03K3/26 is the Cooperative Patent Classification code for “by the use, as active elements, of bipolar transistors with internal or external positive feedback (H03K3/023, H03K3/027 take precedence).”
- How many patents are filed under CPC H03K3/26 (by the use, as active elements, of bipolar transistors with internal or external positive feedback (H03K3/023, H03K3/027 take precedence))?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC H03K3/26 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).