High-speed transimpedance amplifier
US-9509260-B2 · Nov 29, 2016 · US
controlled by light
controlled by light · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F3/08 |
| Official title | controlled by light |
| Display label | controlled by light |
| Total patents | 422 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 54 |
| 2016 | 49 |
| 2017 | 55 |
| 2018 | 31 |
| 2019 | 42 |
| 2020 | 42 |
| 2021 | 35 |
| 2022 | 41 |
| 2023 | 25 |
| 2024 | 26 |
| 2025 | 20 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Photoconductive semiconductor amplifier and switch
US-9473080-B1 · Oct 18, 2016 · US
Implementing enhanced cmos inverter based optical transimpedence amplifer
US-2016226456-A1 · Aug 4, 2016 · US
Implementing enhanced bias configuration for cmos inverter based optical transimpedance amplifier
US-2016226457-A1 · Aug 4, 2016 · US
Amplifier
US-2016197585-A1 · Jul 7, 2016 · US
Semiconductor integrated circuit, variable gain amplifier, and sensing system
US-2016099695-A1 · Apr 7, 2016 · US
Transimpedance amplifier
US-2015372648-A1 · Dec 24, 2015 · US
Transimpedance amplifier and light reception circuit
US-2015365060-A1 · Dec 17, 2015 · US
Optical receiver module including a thin film resistor parallel connected to a bias pad
US-9209756-B2 · Dec 8, 2015 · US
Feedback amplifier
US-2015349736-A1 · Dec 3, 2015 · US
Overload protection for amplifier of photodiode signal
US-9203356-B2 · Dec 1, 2015 · US
Photodetector and method for driving photodetector
US-2015334321-A1 · Nov 19, 2015 · US
Electro-optical transceiver device to enable chip-to-chip interconnection
US-2015333831-A1 · Nov 19, 2015 · US
Four-stage circuit architecture for detecting pulsed signals
US-2015333712-A1 · Nov 19, 2015 · US
Optical sensor including light-receiving element having two terminals and electronics device including the optical sensor
US-9176007-B2 · Nov 3, 2015 · US
Feedback amplifier
US-9178474-B2 · Nov 3, 2015 · US
Receiver circuit
US-2015311871-A1 · Oct 29, 2015 · US
Optical receiver module
US-9172335-B2 · Oct 27, 2015 · US
Optical receiver device
US-9163982-B2 · Oct 20, 2015 · US
Receiver of a pulsed light signal with wide dynamic range
US-2015292942-A1 · Oct 15, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F3/08?
- CPC H03F3/08 is the Cooperative Patent Classification code for “controlled by light.”
- How many patents are filed under CPC H03F3/08 (controlled by light)?
- Our database includes 422 publications tagged with this CPC code.
- Is patent activity under CPC H03F3/08 growing?
- Publication counts under this code: 26 in 2024 vs 20 in 2025 (latest complete years).