Automotive Radar Patent Landscape 2026
Automotive Radar Patent Landscape in 2026
Infineon Technologies AG leads a moderately concentrated field of 9,650 patent families, with semiconductor and Tier-1 suppliers dominating filings. Annual volume peaked in 2021 and has eased since, while core radar signal-processing and antenna IP remains the primary competitive battleground.
Infineon leads a competitive but multi-player field
Infineon Technologies AG holds the top position with 439 patent families, followed closely by Aptiv Technologies AG (384), Yinwang Intelligent Technologies (376), Toyota Jidosha (342), and Denso (328). The top five filers account for 25% of the combined output of the hundred largest filers, indicating meaningful concentration without outright monopoly.
The gap between the leader and ranks two through five is relatively narrow — fewer than 120 patent families separates Infineon from the fifth-ranked Denso — suggesting a competitive tier where multiple players could challenge for leadership. A second tier spanning NXP, Qualcomm, Waymo, Texas Instruments, and Intel adds further depth to the landscape.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Infineon Technologies AG | 439 | |
| 2 | Aptiv Technologies AG | 384 | |
| 3 | Yinwang Intelligent Technologies Co Ltd | 376 | |
| 4 | Toyota Motor Corporation | 342 | |
| 5 | Denso Corporation | 328 | |
| 6 | NXP USA Inc | 324 | |
| 7 | Qualcomm Incorporated | 296 | |
| 8 | Waymo LLC | 258 | |
| 9 | Texas Instruments Incorporated | 245 | |
| 10 | Intel Corporation | 201 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Kyocera Corporation | 182 | |
| 12 | Mitsubishi Electric Corporation | 178 | |
| 13 | Robert Bosch GmbH | 168 | |
| 14 | Uhnder Inc | 152 | |
| 15 | Huawei Technologies Co Ltd | 152 | |
| 16 | Valeo Radar Systems Inc | 116 | |
| 17 | Honda Motor Co Ltd | 110 | |
| 18 | Magna Electronics LLC | 105 | |
| 19 | GM Global Technology Operations LLC | 96 | |
| 20 | Raytheon Company | 95 |
Infineon’s and NXP’s positions reflect the strategic importance of radar-on-chip silicon to the broader ADAS supply chain. Automotive OEMs (Toyota, Denso) and autonomous-driving specialists (Waymo) holding top-ten positions confirms that the IP contest spans semiconductor, Tier-1, and software layers simultaneously.
Filings from approximately 2024 onward are subject to publication lag and will appear under-counted until applications complete examination; the apparent drop in 2024–2026 should not be read as a demand signal. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2021 peak, a dominant IPC class, and broadening technology adjacencies
The annual filing trend and IPC composition together reveal a field that surged through 2021 and is now consolidating, with radar signal-processing IP at the core and a widening set of adjacent technology branches emerging around it.
Annual filing trend
Filings climbed from 730 in 2017 to a peak of 1,539 in 2021, then eased to 1,458 in 2022 and further to 1,047 in 2023. The 2024 and 2025 tallies (964 and 612 respectively) reflect publication lag and should not be interpreted as a sustained retreat. The field expanded significantly on a multi-year basis from 2017 to 2021 but annual volume has eased from that peak.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G01S (Radar, sonar and positioning) is the dominant branch by a wide margin, reflecting the core waveform, signal processing, and FMCW system IP. H01Q (Antennas) is the clear second branch, covering beam-steering and array designs. Smaller but notable branches include G08G (Traffic control), B60R (Vehicle parts), G06F (Digital data processing), and H04B (Transmission), pointing to system-integration and V2X adjacencies that are attracting incremental filings.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Extrinsic parameter calibration for 4d millimeter-…
An apparatus comprises an interface and a processor. The interface may be configured to receive pixel data representing a first field of view of a camera and four-dimensional (4D) point cloud data representing a second field of view of a 4D imaging radar sensor. The first field of view of the camera and the second field of view of the 4D imaging radar… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Asset system control arrangement and method | 1,775 |
| 2 | Accident avoidance system | 1,258 |
| 3 | Sensor Assemblies | 1,169 |
| 4 | Method and arrangement for mapping a road | 700 |
| 5 | Recording of operational events in an automotive v… | 695 |
| 6 | Method and arrangement for communicating between v… | 657 |
| 7 | Smart blind spot sensor | 577 |
| 8 | Method and apparatus for determining driver fitnes… | 554 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the IP structure means for R&D investment decisions
Four structural observations — maturity, concentration, ecosystem collaboration, and geographic spread — combine to frame where defensive IP is sufficient and where new filings can still differentiate.
Post-peak consolidation phase
The lifecycle evidence marks the field as in decline, with annual filings easing back from the 2021 peak. The field still carries substantial multi-year momentum — volume roughly doubled from 2017 to 2021 — but the pace of new claim-space creation is slowing. R&D programs should distinguish between defending established radar-core IP and opening new claim space in integration-layer adjacencies.
Post-peak · 2021 highNarrow gap at the top; broad mid-tier
The top five filers hold 25% of the hundred largest filers’ combined total, and the difference between first and fifth place is modest. This creates a landscape where a well-directed filing campaign in a specific subfield (e.g., antenna arrays or digital processing) can realistically challenge established players. The mid-tier — NXP through Intel — is dense enough to create freedom-to-operate considerations in nearly every subfield.
Moderate concentrationOEM–supplier and university partnerships are active
Denso and Toyota Jidosha are the most active co-filing pair with 42 joint patent families, underscoring deep OEM–Tier-1 integration in the Japanese ecosystem. Texas Instruments and its Japanese affiliate co-filed 16 families. Infineon co-filed 13 families with Friedrich-Alexander University Erlangen-Nuremberg, signaling an academic channel for exploratory radar IC research. NXP co-filed with Delft University of Technology (7 families) and Mazda (2 families), reflecting both academic and OEM outreach.
OEM–supplier drivenUS leads; China and Europe are substantial secondary offices
The United States is the primary filing jurisdiction, followed by China and the EPO (Europe) at comparable levels. WIPO PCT and Germany represent the next tier. Japan, India, and South Korea show meaningful but lower volumes. This distribution reflects a Western-semiconductor-led IP strategy with China emerging as both a filing destination and an origination base, as evidenced by Yinwang Intelligent Technologies ranking third overall.
US-led; China risingGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Denso Corporation | Toyota Motor Corporation | 42 |
| Texas Instruments Incorporated | Texas Instruments Japan Limited | 16 |
| Infineon Technologies AG | Friedrich-Alexander University Erlangen-Nuremberg | 13 |
| Denso Corporation | Soken Inc | 10 |
| Denso Corporation | Mirise Technologies Corporation | 9 |
| NXP Semiconductors NV | Delft University of Technology | 7 |
| Toyota Motor Corporation | Mirise Technologies Corporation | 7 |
| Toyota Motor Corporation | Toyota Motor Engineering & Manufacturing North America Inc | 6 |
| Toyota Motor Corporation | Continental Automotive GmbH | 5 |
| NXP Semiconductors NV | Mazda Motor Corporation | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Infineon and NXP lead on chip-level radar IP; Toyota and Denso anchor the OEM tier
The top players split into two strategic archetypes: semiconductor specialists focused on G01S radar signal-processing and H01Q antenna IP, and automotive OEMs whose portfolios extend into traffic-control and vehicle-system integration branches.
Infineon Technologies AG
Infineon leads with 439 patent families concentrated in G01S radar signal-processing and antenna design (H01Q). Recent-period momentum shows a decline of 57%, suggesting the company is in a consolidation phase rather than an active expansion of claim space. Its position as a radar-SoC supplier makes its portfolio foundational for downstream Tier-1 and OEM licensees.
families: 439NXP Semiconductors
NXP USA Inc ranks sixth with 324 patent families, but the parent entity (NXP Semiconductors, via the Chinese-registered entity) recorded a recent-period trend of +87%, the strongest upward momentum among tracked entities. Its focus mirrors Infineon — G01S radar processing and H01Q antennas — with a noted academic collaboration channel through Delft University of Technology. This combination of rising filings and university partnerships positions NXP as the most dynamic challenger at the chip layer.
families: 324| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| NXP Semiconductors NV | 217 | ▲ +87% |
| Infineon Technologies AG | 93 | ▼ -57% |
| Huawei Technologies Co Ltd | 130 | ▼ -49% |
| Denso Corporation | 62 | ▬ +3% |
| Qualcomm Incorporated | 99 | ▼ -40% |
| Aptiv Technologies AG | 84 | ▼ -42% |
| NXP USA Inc | 24 | ▼ -85% |
| Toyota Motor Corporation | 21 | ▼ -50% |
Under-served branches adjacent to the radar core
Several IPC branches sit at low relative share compared to the dominant G01S class yet have plausible technical connections to automotive radar system integration. These are observations of relative sparsity; commercial opportunity depends on specific sub-claim availability and competitive dynamics within each branch.
G06V · Image and Video Recognition
With 436 records this branch is sparse relative to the radar-processing core, yet sensor fusion architectures increasingly combine radar point clouds with camera-derived semantic labels. Engineers working on radar-camera fusion pipelines could find relatively open claim space here. Entry path: filing on novel radar-informed object classification or scene-understanding algorithms that do not rely solely on camera data.
Search this in Eureka →H04B · Transmission (General)
This branch holds 487 records — substantial in absolute terms but only 2% of the IPC distribution — covering waveform design, interference mitigation between radar and V2X transmissions, and co-existence with 5G bands. As vehicular communication densifies, interference between radar and wireless systems becomes a practical engineering problem with limited established prior art in this specific intersection. Entry path: claims on radar waveform adaptation for V2X co-existence or spectrum-sharing protocols.
Search this in Eureka →How leaders differ by technology route
Strength of each leader across the main technology routes.
| Player | G01S 13 · Radar, sonar & positioning | G01S 7 · Radar, sonar & positioning | H01Q 1 · Antennas | H01Q 21 · Antennas | G01S 17 · Radar, sonar & positioning |
|---|---|---|---|---|---|
| NXP Semiconductors NV | Strong · 402 | Strong · 403 | Emerging · 48 | Emerging · 27 | Absent |
| Infineon Technologies AG | Strong · 367 | Strong · 325 | Emerging · 43 | Absent | Absent |
| Huawei Technologies Co Ltd | Strong · 263 | Strong · 251 | Moderate · 77 | Moderate · 57 | Emerging · 44 |
| Denso Corporation | Strong · 260 | Strong · 175 | Absent | Emerging · 32 | Emerging · 40 |
| Waymo LLC | Strong · 168 | Strong · 144 | Moderate · 82 | Strong · 102 | Absent |
| Qualcomm Incorporated | Strong · 264 | Strong · 183 | Absent | Absent | Emerging · 21 |
| Aptiv Technologies AG | Strong · 207 | Strong · 172 | Moderate · 49 | Emerging · 25 | Absent |
Frequently asked questions
The evidence scope contains 9,650 patent families in automotive radar, representing filings across all major jurisdictions over the analysis window.
Infineon Technologies AG leads with 439 patent families, followed by Aptiv Technologies AG (384) and Yinwang Intelligent Technologies (376).
Annual filings peaked in 2021 at 1,539, up from 730 in 2017. Volume has eased since then, reaching 1,047 in 2023. Figures for 2024 and 2025 are affected by publication lag and do not yet represent the full picture.
The United States is the leading filing destination, followed by China and Europe (EPO) at comparable levels. Germany, Japan, India, and South Korea form the next tier. The US, China, and EPO together account for the large majority of automotive radar patent records.
Denso and Toyota Jidosha are the most active co-filing pair with 42 joint patent families. Texas Instruments and its Japanese affiliate co-filed 16 families. Infineon and Friedrich-Alexander University Erlangen-Nuremberg co-filed 13 families, while NXP and Delft University of Technology partnered on 7 families.
The branches G06V (image/video recognition) and H04B (transmission, including radar-wireless co-existence) show relatively low record counts — 436 and 487 respectively — compared to the dominant G01S class. These areas, particularly radar-camera fusion algorithms and radar-V2X interference mitigation, represent under-served adjacent branches where new filings may encounter less prior art density.
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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.
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