Multi-modulus frequency divider
US-9843329-B2 · Dec 12, 2017 · US
active element in amplifier being semiconductor device (H03B5/14 takes precedence)
active element in amplifier being semiconductor device (H03B5/14 takes 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 | H03B5/12 |
| Official title | active element in amplifier being semiconductor device (H03B5/14 takes precedence) |
| Display label | active element in amplifier being semiconductor device (H03B5/14 takes precedence) |
| Total patents | 236 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 26 |
| 2017 | 22 |
| 2018 | 15 |
| 2019 | 18 |
| 2020 | 25 |
| 2021 | 28 |
| 2022 | 23 |
| 2023 | 33 |
| 2024 | 14 |
| 2025 | 12 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Series-resonance oscillator
US-2017338808-A1 · Nov 23, 2017 · US
Amplitude detection with compensation
US-2017324377-A1 · Nov 9, 2017 · US
Common-mode impedance network for reducing sensitivity in oscillators
US-9813023-B2 · Nov 7, 2017 · US
Tank circuit and frequency hopping for isolators
US-2017288650-A1 · Oct 5, 2017 · US
High frequency signal generation apparatus
US-2017257062-A1 · Sep 7, 2017 · US
Series-resonance oscillator
US-9755627-B2 · Sep 5, 2017 · US
Current driven crystal oscillator
US-9748898-B2 · Aug 29, 2017 · US
Large-scale reconfigurable electronics using low-cost nanoparticle ink printing method
US-2017223838-A1 · Aug 3, 2017 · US
Resonator having distributed transconductance elements
US-2017201215-A1 · Jul 13, 2017 · US
Oscillator for high-frequency signal generation
US-9692355-B2 · Jun 27, 2017 · US
Multimode voltage controlled oscillator
US-2017179883-A1 · Jun 22, 2017 · US
Common-Mode Impedance Network for Reducing Sensitivity in Oscillators
US-2017179881-A1 · Jun 22, 2017 · US
Oscillator scheme capable of reducing far-out phase noise and closed-in phase noise
US-2017170784-A1 · Jun 15, 2017 · US
Circuits and methods for flicker noise upconversion minimization in an oscillator
US-9559702-B1 · Jan 31, 2017 · US
Overlapping uncoupled inductors for low-cost multi-frequency voltage-controlled oscillators
US-9543892-B1 · Jan 10, 2017 · US
System and Method for a Voltage Controlled Oscillator
US-2017005617-A1 · Jan 5, 2017 · US
System and method for a voltage controlled oscillator
US-9537447-B2 · Jan 3, 2017 · US
Receiver and voltage controlled oscillator
US-9515684-B2 · Dec 6, 2016 · US
Oscillator circuit
US-9496824-B2 · Nov 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03B5/12?
- CPC H03B5/12 is the Cooperative Patent Classification code for “active element in amplifier being semiconductor device (H03B5/14 takes precedence).”
- How many patents are filed under CPC H03B5/12 (active element in amplifier being semiconductor device (H03B5/14 takes precedence))?
- Our database includes 236 publications tagged with this CPC code.
- Is patent activity under CPC H03B5/12 growing?
- Publication counts under this code: 14 in 2024 vs 12 in 2025 (latest complete years).