Lane Keeping Assist Patent Landscape 2026
Lane Keeping Assist Patent Landscape in 2026
The Lane Keeping Assist patent corpus spans 6,814 patent families and is dominated by a small tier of automotive OEMs and technology firms, with the top five filers holding nearly half of the combined output of the hundred largest filers. Annual volume peaked in 2022 and has plateaued near that level, signalling a mature but still active field where differentiation is shifting toward AI perception and cross-domain integration.
Toyota and NVIDIA lead a highly concentrated field
Toyota Motor Corporation heads Honda Motor Co., Ltd. sits third at 740 patent families, and Hyundai Motor Company fourth at 580 patent families.
The top five filers — Toyota, NVIDIA, Honda, Hyundai, and GM Global Technology Operations — together account for 49% of the combined total of the hundred largest filers, indicating a strongly concentrated field where a handful of players set the technology agenda. A second tier comprising HL Klemove Corp, LG Electronics, State Farm Mutual Automobile Insurance, Denso, and Waymo collectively adds meaningful volume but remains well behind the leaders.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Toyota Motor Corporation | 1,011 | |
| 2 | NVIDIA Corporation | 931 | |
| 3 | Honda Motor Co., Ltd. | 740 | |
| 4 | Hyundai Motor Company | 580 | |
| 5 | GM Global Technology Operations LLC | 383 | |
| 6 | HL Klemove Corp. | 319 | |
| 7 | LG Electronics Inc. | 318 | |
| 8 | State Farm Mutual Automobile Insurance Company | 223 | |
| 9 | Denso Corporation | 219 | |
| 10 | Waymo LLC | 183 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Renault S.A. | 143 | |
| 12 | Nissan Motor Co., Ltd. | 127 | |
| 13 | Omron Corporation | 127 | |
| 14 | Hyundai Mobis Co., Ltd. | 120 | |
| 15 | Ford Global Technologies LLC | 112 | |
| 16 | Yinwang Intelligent Technologies Co., Ltd. | 93 | |
| 17 | Magna Electronics Inc. | 91 | |
| 18 | Atieva Inc. (Lucid Motors) | 85 | |
| 19 | Robert Bosch GmbH | 81 | |
| 20 | Volvo Car Corporation | 58 |
Toyota’s emphasis on hybrid/joint vehicle control (B60W) and NVIDIA’s focus on image/video recognition (G06V) and AI models (G06N) reveal a structural split between traditional OEM control-systems approaches and silicon/software-stack strategies — a divergence that shapes where the next wave of differentiation is likely to occur.
The most recent 18–24 months of filings are subject to publication lag and are likely under-counted; apparent softness in 2024–2026 data should not be interpreted as a sustained decline. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Volume plateaued near its 2022 peak; B60W dominates but perception branches are growing
Two charts together describe where this field has been and where its technical weight now sits: the annual filing trend reveals a maturing pace of innovation, while the technology composition shows the dominance of vehicle control logic alongside a sizeable and expanding cluster of perception and AI patents.
Annual filing trend
Annual filings rose from 568 in 2017 to a high of 1,034 in 2022, then moderated to 977 in 2023 and 774 in 2024; 2025 and 2026 figures are materially under-counted due to publication lag and should not be read as a continued decline. The multi-year window still shows positive growth of 13% over the prior period, consistent with a field at or near peak maturity rather than one in contraction.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B60W (hybrid/joint vehicle control) is by far the dominant branch, reflecting the core control-loop nature of lane keeping. G05D (control of non-electric variables), G06V (image/video recognition), and G08G (traffic control systems) form a substantial secondary cluster, confirming that perception pipelines and traffic-aware logic are now integral to lane keeping architectures. AI-oriented branches G06N and G06F add further depth, pointing to increasing integration of learned models into production systems.
↗ 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.
Lane keeping assist system and method for improvin…
A lane keeping assist system and method for increasing safety in preceding vehicle follower longitudinal control are disclosed. The lane keeping assist system for performing lane keeping using information about a lane and peripheral vehicle includes an image sensor configured to detect a forward lane and a preceding vehicle with respect to a host vehicle… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Systems and methods for safe and reliable autonomo… | 1,021 |
| 2 | System and method for responding to driver state | 923 |
| 3 | System and method for automatically steering a veh… | 681 |
| 4 | System And Method To Operate An Automated Vehicle | 626 |
| 5 | A Method and Apparatus for Collecting and Using Se… | 596 |
| 6 | Method and system for ensuring operation of limite… | 420 |
| 7 | Safety procedure analysis for obstacle avoidance i… | 388 |
| 8 | Autonomous vehicle routing during emergencies | 384 |
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 patent structure means for R&D investment decisions
Four structural observations — maturity stage, competitive concentration, co-filing ecosystems, and geographic spread — each carry distinct implications for where new entrants and incumbents should direct resources.
Field at plateau: incremental gains dominate, but perception sub-fields remain dynamic
Annual filings have plateaued near their 2022 peak, placing Lane Keeping Assist firmly in the maturity stage. Core vehicle-control IP is heavily occupied, making clean-sheet entry in B60W costly. However, the growing share of G06V and G06N filings suggests that perception-layer and AI-model innovations remain an active frontier where differentiation is still achievable.
Lifecycle: MaturityTop five hold 49% of the leading-100 filers’ combined output — entry barriers are high
With the top five filers accounting for 49% of the hundred largest filers’ combined total, the field presents significant incumbency advantages in core control patents. New entrants face a dense prior-art landscape in B60W but encounter lower density in adjacent branches such as G05D, G06V, and G08G, where the patent count per technical sub-problem is proportionally lower relative to B60W.
High concentrationHyundai–Kia co-filing dominates; Toyota builds a supplier web
Hyundai Motor Company and Kia Corporation are the most active co-filers with 453 joint patent families, forming the field’s largest collaborative unit by a wide margin. Toyota Motor Corporation maintains active co-filing relationships with Advics Co., Ltd. (38 families) and Denso Corporation (36 families), reflecting a supplier-integration strategy. Hyundai also co-files with Hyundai AutoEver, Kia, and Asia University, indicating both internal group alignment and academic outreach.
Ecosystem co-filingUS is the primary jurisdiction; China and Europe are meaningful secondary markets
The United States leads jurisdictional coverage with 4,419 patent records, confirming it as the primary filing and enforcement arena. China follows at 810, Europe (EPO) at 703, and Japan at 661, with Germany adding 557 as a stand-alone national office — reflecting the importance of the German OEM cluster. PCT filings via WIPO number 432, indicating active international prosecution strategies among the leading applicants.
US-centric, global spreadGo 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 |
|---|---|---|
| Hyundai Motor Company | Kia Corporation | 453 |
| Toyota Motor Corporation | Advics Co., Ltd. | 38 |
| Toyota Motor Corporation | Denso Corporation | 36 |
| Hyundai Motor Company | Hyundai AutoEver Corp. | 14 |
| Kia Corporation | Hyundai AutoEver Corp. | 13 |
| Hyundai Motor Company | Kia Corporation | 12 |
| Toyota Motor Corporation | JTEKT Corporation | 6 |
| Hyundai Motor Company | Hyundai Autoron Co., Ltd. | 6 |
| Hyundai Motor Company | Asia University Industry-Academic Cooperation Foundation | 6 |
| Kia Corporation | Hyundai Autoron Co., Ltd. | 6 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Toyota leads on control-system depth; NVIDIA accelerates on AI perception
The top two applicants differ fundamentally in technical approach: Toyota Motor Corporation anchors its position in vehicle-control logic, while NVIDIA Corporation is building an AI-perception stack at rapid pace. Both trajectories are worth monitoring as the field’s next competitive frontier.
Toyota Motor Corporation
Toyota leads the ranking with 1,011 patent families, concentrated in B60W hybrid/joint vehicle control across sub-classes B60W 30, B60W 50, and B60W 40. Recent-period filings are up 74% versus the prior three-year window, indicating Toyota is actively reinforcing its core control-system position rather than ceding ground despite the maturing market.
patent families: 1,011NVIDIA Corporation
NVIDIA ranks second with 931 patent families and is the fastest-growing major filer at +78% in the recent period versus the prior three years. Its portfolio is concentrated in G06V image/video recognition and G06N AI models, reflecting a perception-and-inference platform strategy distinct from OEM control-loop approaches. At this trajectory, NVIDIA could close the gap with Toyota in the near term.
patent families: 931| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| NVIDIA Corporation | 512 | ▲ +78% |
| Toyota Motor Corporation | 246 | ▲ +74% |
| Honda Motor Co., Ltd. | 246 | ▼ -28% |
| Hyundai Motor Company | 171 | ▲ +13% |
| GM Global Technology Operations LLC | 137 | ▲ +117% |
| LG Electronics Inc. | 17 | ▼ -92% |
| State Farm Mutual Automobile Insurance Company | 81 | ▲ +42% |
Under-served branches where technical need and filing density diverge
Relative to the dominant B60W branch, several IPC classes show meaningful patent counts but proportionally lower density given the technical problems they address in lane keeping — flagging them as under-served adjacent areas worth investigating before committing R&D resources.
G05D · Control of non-electric variables
G05D holds 1,544 patent records — sizeable in absolute terms but representing only 8% of the corpus relative to B60W’s commanding share. Lane keeping applications in closed-loop lateral control and path-tracking algorithms that operate independently of powertrain state are technically well-motivated here. Entrants with control-theory or robotics backgrounds may find less incumbency pressure than in B60W, with a plausible entry path via cross-licensing or building on open autonomous-driving stacks.
Search this in Eureka →G08G · Traffic control systems
G08G (traffic control systems) accounts for 1,366 patent records — 7% of the corpus — and represents the intersection of lane keeping with infrastructure-aware and V2X-informed lane management. This sub-area is technically valuable as regulatory mandates push ADAS systems toward connected-infrastructure awareness, yet it remains proportionally sparse relative to the core control-loop space. Suppliers with V2X or roadside-unit expertise face a realistic entry path as vehicle-to-infrastructure standards mature.
Search this in Eureka →How leading filers differ across technology routes
Strength of each leader across the main technology routes.
| Player | B60W 30 · Hybrid/joint vehicle control | B60W 50 · Hybrid/joint vehicle control | B60W 40 · Hybrid/joint vehicle control | B60W 60 · Hybrid/joint vehicle control | G05D 1 · Control of non-electric variables |
|---|---|---|---|---|---|
| Toyota Motor Corporation | Strong · 564 | Strong · 357 | Moderate · 265 | Emerging · 97 | Moderate · 115 |
| Honda Motor Co., Ltd. | Strong · 454 | Strong · 279 | Strong · 270 | Strong · 325 | Emerging · 51 |
| Hyundai Motor Company | Strong · 323 | Strong · 203 | Moderate · 155 | Strong · 184 | Moderate · 71 |
| NVIDIA Corporation | Strong · 165 | Moderate · 117 | Moderate · 85 | Strong · 302 | Strong · 246 |
| GM Global Technology Operations LLC | Strong · 227 | Strong · 125 | Strong · 117 | Moderate · 63 | Moderate · 83 |
| LG Electronics Inc. | Absent | Strong · 109 | Strong · 89 | Strong · 84 | Strong · 117 |
Frequently asked questions
The corpus covers 6,814 patent families globally. The United States is the leading jurisdiction with 4,419 patent records, followed by China at 810 and Europe (EPO) at 703.
Toyota Motor Corporation leads with 1,011 patent families, followed by NVIDIA Corporation at 931 and Honda Motor Co., Ltd. at 740. The top five filers — Toyota, NVIDIA, Honda, Hyundai Motor Company, and GM Global Technology Operations — account for 49% of the combined total of the hundred largest filers.
The field is at a maturity plateau. Annual filings peaked at 1,034 in 2022 and have moderated since, but the multi-year window still shows 13% growth. The most recent data (2024–2026) is under-counted due to publication lag and should not be read as a real decline.
B60W (hybrid/joint vehicle control) is by far the dominant branch. G05D (control of non-electric variables), G06V (image/video recognition), and G08G (traffic control systems) form a meaningful secondary cluster, with G06N (AI models) and G06F (digital data processing) adding further depth.
NVIDIA Corporation shows the highest recent momentum among major filers at +78% in the recent period versus the prior three years, followed by GM Global Technology Operations at +117% (from a smaller base) and Toyota Motor Corporation at +74%. Honda Motor Co., Ltd. is the notable decliner at -28%.
Hyundai Motor Company and Kia Corporation are by far the most active co-filers with 453 joint patent families. Toyota co-files actively with Advics Co., Ltd. (38 families) and Denso Corporation (36 families), reflecting a supplier-network integration approach distinct from the Hyundai–Kia group strategy.
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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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