Amplifiers and amplifier modules with ground plane height variation structures
US-10629552-B2 · Apr 21, 2020 · US
Doherty-type amplifiers
Doherty-type amplifiers · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H03F1/07 |
| Official title | Doherty-type amplifiers |
| Display label | Doherty-type amplifiers |
| Total patents | 103 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 17 |
| 2017 | 14 |
| 2018 | 8 |
| 2019 | 14 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Load modulation amplifier
US-10523158-B2 · Dec 31, 2019 · US
Power amplification apparatus and television signal transmission system
US-10498293-B2 · Dec 3, 2019 · US
Amplifiers and amplifier modules with ground plane height variation structures
US-2019333878-A1 · Oct 31, 2019 · US
Power amplification system with reactance compensation
US-10411662-B2 · Sep 10, 2019 · US
Power amplification apparatus and television signal transmission system
US-10361661-B2 · Jul 23, 2019 · US
Doherty amplifier
US-10340855-B2 · Jul 2, 2019 · US
Power amplification device and television signal transmission system
US-2019181814-A1 · Jun 13, 2019 · US
Doherty amplifier
US-2019149097-A1 · May 16, 2019 · US
Power amplification apparatus and television signal transmission system
US-2019140599-A1 · May 9, 2019 · US
Amplifier devices with back-off power optimization
US-10250196-B2 · Apr 2, 2019 · US
Power amplification device and television signal transmission system
US-10250204-B2 · Apr 2, 2019 · US
Power amplification device
US-10224878-B2 · Mar 5, 2019 · US
Load modulation amplifier
US-2019028062-A1 · Jan 24, 2019 · US
Rf amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof
US-2019020314-A1 · Jan 17, 2019 · US
Power amplification system with reactance compensation
US-2018323758-A1 · Nov 8, 2018 · US
Power amplification system with reactance compensation
US-10110184-B2 · Oct 23, 2018 · US
Doherty amplifier
US-2018287566-A1 · Oct 4, 2018 · US
RF amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof
US-10075132-B2 · Sep 11, 2018 · US
Power amplification apparatus and television signal transmission system
US-2018212571-A1 · Jul 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03F1/07?
- CPC H03F1/07 is the Cooperative Patent Classification code for “Doherty-type amplifiers.”
- How many patents are filed under CPC H03F1/07 (Doherty-type amplifiers)?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC H03F1/07 growing?
- Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).