Satellite High Power Amplifiers Patents: Leaders & Trends 2026
- 73.0% of the 936 records sit in H01J (electron & discharge tubes) — a heavy tilt toward traveling-wave-tube architecture over solid-state routes like H03F amplifiers, which hold only 7.7%.
- Filings fell 42% from 2021 (33) to 2024 (19) after peaking at 41 in 2023, though 2025-2026 counts are still filling in due to publication lag.
- The top 5 assignees hold 27.4% of all 936 records and the top 10 hold 42.3% — concentrated at the top, with a long tail of single- and few-filing entrants beyond that.
Filing growth compares 2021 (33 records) with 2024 (19) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 936 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
Satellite high power amplifiers convert DC or RF input into the high-power microwave output that drives a satellite’s downlink, and the underlying technology splits along a fault line that has held for decades: traveling wave tube (TWT) architectures, built around slow wave structures and collector heat dissipation, against solid-state routes such as gallium nitride amplifiers and electronic power conditioners. This dataset spans 936 published records filed between 2015 and 2026, drawn from claim language around saturation output power, multipactor threshold, power added efficiency, gain flatness and related performance parameters.
Because publication lags filing by roughly 18 months, the most recent one to two years in any trend understate real filing activity. The figures below use patent families where stated, which is the fairer unit than raw document counts because it neutralises aggressive continuation and multi-jurisdiction filing practice.
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Filing trend and technology composition
The filing curve and the IPC composition together show where claim space is dense and where it is still open, using only the figures captured for this dataset.
Filing trend, 2017-2026
Filings ran from 15 in 2017 to a peak of 41 in 2023, then declined to 19 by 2024 – a 42% drop across the 2021-2024 span. 2025 and 2026 counts are partial because of publication lag and should not be read as a continued slowdown.
Technology composition by IPC subclass
H01J (electron & discharge tubes) accounts for 73.0% of the 936 records, dwarfing H03F (amplifiers) at 7.7% and H01P (waveguides & microwave elements) at 4.5%. Because a record can carry multiple IPC classes, these shares add up to more than 100% of the record total – they are not mutually exclusive categories.
Shares are the percentage of the 936 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Satellite High Power Amplifiers with Eureka
This page is one run against one query. Ask Eureka your own question about satellite high power amplifiers and every answer comes back with the patent numbers behind it.
Try EurekaMost-cited records in this dataset
US5162697A – Traveling wave tube with gain flattening slow wave structure
A traveling wave tube includes a coupled cavity slow wave structure with a driver stage and an output section combining a primary section and a velocity taper section to produce maximum signal gain at a predetermined frequency. A gain flattening section sits between the driver stage and the output section's primary section, operating at a reduced phase velocity to produce minimum or negative gain near that frequency, so the combined gain characteristics of the stages flatten the overall response.Filed by L-3 Communications Electron Technologies, Inc., issued 1992 – a foundational gain-flattening approach still cited within this dataset.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US7215716B1 | Non-linear adaptive AM/AM and AM/PM pre-distortion compensation with time and temperature compensation for lo… | 437 |
| 2 | US5018180A | Energy conversion using high charge density | 212 |
| 3 | US20050285541A1 | Electron beam RF amplifier and emitter | 172 |
| 4 | US20110075754A1 | Mitigation of transmitter passive and active intermodulation products in real and continuous time in the tran… | 135 |
| 5 | US2900558A | Beam-type tube | 132 |
| 6 | US5532210A | High temperature superconductor dielectric slow wave structures for accelerators and traveling wave tubes | 108 |
| 7 | US5112438A | Photolithographic method for making helices for traveling wave tubes and other cylindrical objects | 102 |
| 8 | US4929906A | Amplifier linearization using down/up conversion | 92 |
| 9 | US3297905A | Electron discharge device of particular materials for stabilizing frequency and reducing magnetic field probl… | 83 |
| 10 | US20080278236A1 | Rf Power Amplifiers | 68 |
Citation counts inside a searched corpus favour older records that have had more time to accumulate citations – treat this as a signal of influence on the field, not of current commercial relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the data means for filing strategy
Three patterns stand out once the concentration figures, the technology split and the trend line are read together.
Tube architecture still dominates the claim space
H01J (electron & discharge tubes) covers 73.0% of the 936 records, while H03F (amplifiers, the solid-state and GaN-adjacent class) holds just 7.7%. That gap suggests TWT-related claim space is far more heavily occupied than solid-state amplifier claim space, though dense filing signals occupied claims rather than a settled or superior technology.
Activity cooled after a 2023 peak, but the recent years are incomplete
Filings peaked at 41 in 2023 and fell to 19 by 2024, a 42% decline across that span. Because publication lags filing by around 18 months, 2025 and 2026 figures are still filling in and should not be read as continued decline.
Leadership is concentrated, but not locked down
The top 5 assignees hold 27.4% of all 936 records and the top 10 hold 42.3%, leaving well over half the dataset spread across a long tail of the ranked assignees. That tail includes university and single-filer entrants, which is where freedom-to-operate searches often turn up unexpected blocking claims.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to satellite high power amplifiers, with the prior art for and against each one.
Who is filing, and where the gate sits
The leader board is dominated by legacy tube and defense-electronics manufacturers, with a university and several component specialists filling out the ranked list. Recent-year momentum across the tracked assignees is largely flat, consistent with the broader post-2023 slowdown in the trend data.
A single leader well ahead of the field
The top-ranked assignee holds 75 of the 936 records, roughly double the fifth-place count of 38 – a gap that marks it as the entity to watch for freedom-to-operate risk in TWT-heavy filings.
A steep drop-off after the top five
Record counts fall from 38 at fifth place to 21 at tenth, showing the concentration is front-loaded rather than spread evenly across the top 10.
US and China lead receiving offices
The United States receives 412 filings and China 158, with Europe, Japan, Canada and WIPO each in double digits – a filing footprint concentrated in the two largest satellite-manufacturing markets.
| Assignee | Recent year | YoY |
|---|---|---|
| University of Electronic Science and Technology of China | 1 | 0% |
| Raytheon Company | 0 | — |
| Varian Medical Systems, Inc. | 0 | — |
| Harris Corporation | 0 | — |
| General Electric Company | 0 | — |
| NEC Corporation | 0 | — |
| The Boeing Company | 0 | — |
| Hughes Aircraft Company | 0 | — |
Where to take this analysis
The figures above frame the field; the next step is usually a claim-level read against a specific product or design.
Map claims against a target architecture
Cross-reference the H01J-heavy leader portfolios against a specific TWT or GaN amplifier design to see which gain-flattening or slow-wave-structure claims actually read on it.
Explore in Patsnap Eureka →Track the long tail for freedom-to-operate risk
Well over half of the 936 records sit outside the top 10 assignees; a targeted search of that tail often surfaces single-filer claims that a leader-only review would miss.
Run a deeper search in Patsnap Eureka →Common questions on satellite high power amplifier patents
The assignee ranking in this dataset covers 100 companies, and it is led by a single assignee with 75 of the 936 records in scope – roughly double the fifth-place count of 38. The top 5 assignees together hold 27.4% of all 936 records, and the top 10 hold 42.3%, so leadership is concentrated but far from exclusive. Beyond the top 10, filings spread across a long tail of companies, universities and individual filers, which matters for freedom-to-operate work since blocking claims are not limited to the largest holders.
Traveling wave tube architecture dominates this dataset: the H01J subclass (electron & discharge tubes) covers 73.0% of the 936 records, compared with 7.7% for H03F (amplifiers, the class closest to solid-state and GaN designs). That does not mean TWT technology is superior or more mature – it means the claim space around slow wave structures, collector heat dissipation and gain flattening is far more densely occupied than the solid-state alternative. For a company evaluating where to file, the H03F-adjacent space is comparatively less crowded.
Filings rose to a peak of 41 in 2023 after starting at 15 in 2017, then fell to 19 by 2024 – a 42% decline over the 2021-2024 span. Counts for 2025 and 2026 in this dataset are lower still, but that reflects publication lag of roughly 18 months rather than an actual drop in filing activity, since recent filings have not all published yet. Any assessment of current momentum should treat 2024 as the most recent complete year and read 2025-2026 as provisional.
US5162697A, assigned to L-3 Communications Electron Technologies and issued in 1992, claims a coupled-cavity slow wave structure that combines a driver stage, a primary output section and a velocity taper section with a dedicated gain flattening section positioned between the driver and output stages. The gain flattening section is designed to operate at a reduced phase velocity that produces minimum or negative gain near the tube's target frequency, so the combined stages flatten the overall gain response. Anyone designing a TWT that flattens gain by inserting a similarly tuned low- or negative-gain section between driver and output stages should review this claim structure closely, since it is one of the more heavily cited records in this dataset.
The United States leads with 412 filings in this dataset, followed by China at 158, Europe (EPO) at 93, Japan at 78, Canada at 55 and WIPO (PCT) filings at 32. This distribution reflects where satellite hardware manufacturing and defense-electronics supply chains are concentrated, and it is a reasonable guide to where competitive and freedom-to-operate searches should be weighted first.
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Disclaimer. This page is generated from Patsnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.