Controlled transition to regulation
US-2021336445-A1 · Oct 28, 2021 · US
in integrated circuits
in integrated circuits · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F3/347 |
| Official title | in integrated circuits |
| Display label | in integrated circuits |
| Total patents | 138 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 9 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 14 |
| 2022 | 14 |
| 2023 | 22 |
| 2024 | 17 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Input circuit with wide range input voltage compatibility
US-2021091738-A1 · Mar 25, 2021 · US
Swing tracking and control
US-2020321913-A1 · Oct 8, 2020 · US
Concurrent electrostatic discharge and surge protection clamps in power amplifiers
US-2020321923-A1 · Oct 8, 2020 · US
Power amplifier modules including transistor with grading and semiconductor resistor
US-10771024-B2 · Sep 8, 2020 · US
Mixer bias circuit
US-2020212845-A1 · Jul 2, 2020 · US
Wideband low noise amplifier having DC loops with back gate biased transistors
US-10700653-B2 · Jun 30, 2020 · US
Mixer bias circuit
US-10700641-B1 · Jun 30, 2020 · US
Methods and apparatuses for threshold voltage measurement and related semiconductor devices and systems
US-2020200816-A1 · Jun 25, 2020 · US
Voltage-to-current converter circuit
US-10693477-B1 · Jun 23, 2020 · US
Constant current circuit, semiconductor device, electronic apparatus, and method of manufacturing semiconductor device
US-10635126-B2 · Apr 28, 2020 · US
Amplifier
US-2020036344-A1 · Jan 30, 2020 · US
Electric circuit and electronic apparatus
US-2020014333-A1 · Jan 9, 2020 · US
Current conveyor circuit, corresponding device, apparatus and method
US-10528197-B2 · Jan 7, 2020 · US
Voltage-to-current transconductance operational amplifier with adaptive biasing
US-10498300-B2 · Dec 3, 2019 · US
Reconfigurable amplifier and amplification method thereof
US-10476450-B2 · Nov 12, 2019 · US
Wideband low noise amplifier having dc loops with back gate biased transistors
US-2019326866-A1 · Oct 24, 2019 · US
Constant current circuit, semiconductor device, electronic apparatus, and method of manufacturing semiconductor device
US-2019302823-A1 · Oct 3, 2019 · US
Conductance measurement circuit
US-2019277800-A1 · Sep 12, 2019 · US
Signal amplifier device
US-2019199308-A1 · Jun 27, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F3/347?
- CPC H03F3/347 is the Cooperative Patent Classification code for “in integrated circuits.”
- How many patents are filed under CPC H03F3/347 (in integrated circuits)?
- Our database includes 138 publications tagged with this CPC code.
- Is patent activity under CPC H03F3/347 growing?
- Publication counts under this code: 17 in 2024 vs 11 in 2025 (latest complete years).