Machine Vision for Inspection Patent Landscape 2026
Machine Vision for Inspection Patent Landscape in 2026
The machine vision inspection field is moderately concentrated, with Orbotech Ltd holding a commanding lead and the top five filers together accounting for one quarter of the hundred largest filers’ combined output. Annual filing volume has plateaued near its 2022 peak, signalling a mature field where sustained competition is displacing rapid expansion.
Orbotech leads a moderately concentrated field with a clear tier gap
The top five filers — Orbotech, Mitutoyo, Utechzone, BOE Technology Group, and JFE Steel — together represent 25% of the hundred largest filers’ combined total, indicating moderate but meaningful concentration.
A sharp tier gap separates the leader from the rest of the field. After Orbotech’s 294 families, the next cluster (Mitutoyo at 144, Utechzone at 137) trails by roughly half, and the field then spreads across a long tail of applicants in the 40–90 family range. This structure suggests the leader enjoys durable positional advantage while challengers compete within a crowded middle tier.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Orbotech Ltd | 294 | |
| 2 | Mitutoyo Corp | 144 | |
| 3 | Utechzone Co Ltd | 137 | |
| 4 | BOE Technology Group Co Ltd | 90 | |
| 5 | JFE Steel Corp | 68 | |
| 6 | Toshiba Corporation | 61 | |
| 7 | Siemens Energy Inc | 59 | |
| 8 | Hitachi High-Tech Corp | 58 | |
| 9 | Cognex Corp | 57 | |
| 10 | Guangzhou Leichen Intelligent Equipment Technology Co Ltd | 56 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Pressco Technology Inc | 52 | |
| 12 | Nissan Motor Co Ltd | 50 | |
| 13 | Koh Young Technology Inc | 42 | |
| 14 | Mitsubishi Electric Corp | 41 | |
| 15 | Industrial Technology Research Institute | 41 | |
| 16 | Hitachi Ltd | 38 | |
| 17 | Nippon Steel Corporation | 38 | |
| 18 | Samsung Electronics Co Ltd | 38 | |
| 19 | IBM Corporation | 37 | |
| 20 | Wuhan Jingce Electronics Group Co Ltd | 37 |
Orbotech’s position, anchored heavily in optical material analysis (G01N 21), reflects deep specialisation in flat-panel display and PCB optical inspection — domains where switching costs are high. Challengers such as Mitutoyo and BOE have built complementary strengths in dimensional measurement and image processing respectively, suggesting differentiation rather than direct head-to-head competition across the whole portfolio.
Filing counts for 2025 and 2026 are substantially under-counted due to publication lag and should not be interpreted as a real decline in activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity has plateaued near peak; optical analysis dominates the technology mix
Two charts together capture the current state of the field: annual filing momentum reaching a plateau after sustained growth, and a technology composition skewed heavily toward optical material-analysis methods with a wide secondary spread across image processing and dimensional measurement.
Annual filing trend
Annual families grew steadily from 157 in 2017 to a peak of 429 in 2022, then eased to 367 in 2023 and 363 in 2024. Figures for 2025 (264) and 2026 (49) are substantially under-reported due to publication lag and should not be read as a real decline. The field is best characterised as having plateaued near its 2022 peak rather than entering contraction.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G01N (material analysis and testing) is the dominant branch, reflecting the field’s optical inspection heritage. G06T (image data processing) ranks second, followed by G01B (dimensional measurement), G06V (image and video recognition), and G06N (AI-based computing). The growing share of G06V and G06N signals an ongoing shift toward learned, data-driven inspection algorithms layered on top of classical optical methods.
↗ 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.
Automated optical inspection method, automated opt…
An automated optical inspection method, an automated optical inspection system, and a storage medium are provided. The method includes the following. An original image including first images of a target object is captured by an optical lens. An edge detection is performed on the original image to obtain an edge image including second images having an edge… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | System for detecting injection holding material | 1,048 |
| 2 | Automated defect classification system | 522 |
| 3 | High efficiency solid-state light source and metho… | 333 |
| 4 | System and method for automatically recovering vid… | 301 |
| 5 | System and method for excluding extraneous feature… | 267 |
| 6 | Recognition and interpretation of graphical and di… | 264 |
| 7 | Optical method and apparatus for inspecting large … | 253 |
| 8 | Low cost color-programmable focusing ring light | 249 |
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, collaboration patterns, and geographic footprint — together define the risk-and-opportunity profile for anyone entering or expanding in this field.
Field is at plateau maturity, not early growth
Annual filings peaked in 2022 at 429 patent families and have eased since. The lifecycle is characterised as having plateaued near peak, with a recent three-year window still showing modest positive growth of 3%. New entrants face an established prior-art base and should target differentiated sub-domains rather than replicating core optical inspection methods.
Lifecycle: MaturityModerate concentration with a long, competitive middle tier
The top five filers hold 25% of the hundred largest filers’ combined total, and Orbotech alone accounts for 294 patent families — roughly double the nearest rival. Below the top two, a wide middle tier of 10–15 active applicants in the 40–90 family range creates competitive pressure. New entrants with fewer than 50 families can still establish credible positions in specific verticals such as semiconductor or steel inspection.
Concentration: ModerateBOE Technology Group drives the most active co-filing ecosystem
The most frequent co-applicant pair is BOE Technology Group with Beijing Zhongxiangying Technology, with 20 jointly filed families. BOE also co-files with BOE Technology Development (9 families), BOE Modern (Beijing) Display Technology (5 families), Mianyang BOE Optoelectronics (4 families), and Beijing BOE Display Technology (4 families) — indicating a hub-and-spoke model centred on display inspection. Orbotech co-files with Core Flow Ltd (5 families), suggesting selective technology-integration partnerships. Collaboration density is modest overall, pointing to a field where most IP is developed in-house.
Collaboration: Hub-and-spokeChina is the primary filing jurisdiction, but US and Japan remain essential
China leads all jurisdictions at 1,649 patent records, followed by the United States at 1,294 and Japan at 854. Taiwan (472) and Europe via EPO (402) round out the top five. Israel (141 records) reflects Orbotech’s home-market filing strategy. Any freedom-to-operate analysis must cover at minimum China, the US, Japan, and Taiwan to achieve adequate risk coverage.
Geography: China-ledGo 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 |
|---|---|---|
| BOE Technology Group Co Ltd | Beijing Zhongxiangying Technology Co Ltd | 20 |
| BOE Technology Group Co Ltd | BOE Technology Development Co Ltd (Beijing) | 9 |
| Orbotech Ltd | Core Flow Ltd | 5 |
| BOE Technology Group Co Ltd | BOE Modern (Beijing) Display Technology Co Ltd | 5 |
| BOE Technology Group Co Ltd | Mianyang BOE Optoelectronics Technology Co Ltd | 4 |
| BOE Technology Group Co Ltd | Beijing BOE Display Technology Co Ltd | 4 |
| Toshiba Corporation | Toshiba Advanced Materials Inc | 4 |
| Orbotech Ltd | ORBOTECH INC | 2 |
| Orbotech Ltd | KRAUS GMBH | 2 |
| BOE Technology Group Co Ltd | Chongqing BOE Optoelectronics Technology Co Ltd | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Orbotech dominates optical inspection; Mitutoyo anchors precision measurement
The top two players are technically distinct: Orbotech is anchored in optical surface and defect inspection, while Mitutoyo spans both image processing and dimensional measurement. Both show declining recent momentum against their own prior periods, consistent with the field’s plateau maturity.
Orbotech Ltd
Orbotech holds 294 patent families, the largest portfolio in the corpus. Its technology emphasis is concentrated in G01N 21 (optical material analysis, 226 families), supported by G06T 7 (image processing, 82 families) and G06T 1 (40 families), reflecting deep specialisation in PCB and flat-panel display optical inspection. Recent filing momentum shows a decline of 31% versus the prior period, consistent with a mature portfolio harvesting rather than aggressively expanding.
families: 294Mitutoyo Corp
Mitutoyo holds 144 patent families and occupies a differentiated position, with G06T 7 (image processing, 84 families) as its primary focus, complemented by G01N 21 (62 families) and G01B 11 (dimensional measurement, 56 families). This broader spread across metrology and vision suggests Mitutoyo targets precision industrial measurement alongside surface inspection. Recent momentum shows a decline of 14%, a more modest contraction than the leader’s.
families: 144| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Orbotech Ltd | 18 | ▼ -31% |
| Mitutoyo Corp | 12 | ▼ -14% |
| Utechzone Co Ltd | 20 | ▼ -62% |
| BOE Technology Group Co Ltd | 22 | ▼ -61% |
| Toshiba Corporation | 3 | ▲ new entrant |
| JFE Steel Corp | 2 | ▼ -91% |
| Cognex Corp | 1 | ▲ new entrant |
Under-served adjacent branches worth monitoring
Several IPC branches appear with lower relative share within this corpus despite plausible technical relevance to machine vision inspection. These observations identify areas where patent density is comparatively thin and where technical overlap with the core field creates a potential entry path.
G06N · AI-Model-Driven Inspection
G06N (computing based on AI models) accounts for 409 patent records, representing approximately 3% of the technology composition — notably lower than the dominant G01N and G06T branches. Given the industry-wide shift toward deep-learning defect classifiers and anomaly-detection networks, this branch appears under-served relative to its technical importance. An entrant with expertise in neural-network architectures applied to industrial imaging could build a differentiated position here, particularly for inspection tasks — such as textured-surface or sub-surface defect detection — where classical optical methods underperform.
Search this in Eureka →G06V · Learned Image & Video Recognition for Inspection
G06V (image and video recognition) holds 745 patent records at roughly 6% of the technology mix, well below the dominant optical analysis branch. As real-time video-based inspection displaces static image capture on high-speed production lines, G06V methods — including video object detection and temporal anomaly recognition — carry growing practical value. The branch is adjacent to the well-trodden G06T image-processing space but is distinct in its video-sequence and recognition focus, suggesting room for differentiated filing by applicants combining vision hardware with learned recognition pipelines.
Search this in Eureka →How leading applicants differ across technology routes
Strength of each leader across the main technology routes.
| Player | G01N 21 · Material analysis & testing | G06T 7 · Image data processing & generation | G01B 11 · Measuring length & dimensions | G06V 10 · Image/video recognition | G06K 9 · Data recognition & presentation |
|---|---|---|---|---|---|
| Orbotech Ltd | Strong · 226 | Moderate · 82 | Emerging · 27 | Emerging · 17 | Emerging · 33 |
| Mitutoyo Corp | Strong · 62 | Strong · 84 | Strong · 56 | Moderate · 28 | Moderate · 18 |
| Utechzone Co Ltd | Strong · 126 | Emerging · 20 | Absent | Emerging · 15 | Emerging · 12 |
| BOE Technology Group Co Ltd | Strong · 39 | Strong · 63 | Absent | Moderate · 22 | Absent |
| Toshiba Corporation | Strong · 63 | Absent | Strong · 32 | Absent | Absent |
| Nissan Motor Co Ltd | Strong · 46 | Absent | Strong · 46 | Absent | Absent |
| Cognex Corp | Absent | Strong · 32 | Moderate · 14 | Strong · 17 | Moderate · 16 |
Frequently asked questions
The corpus covers 2,996 patent families globally. Annual filing volume grew from 157 families in 2017 to a peak of 429 in 2022, and has since eased to around 363–367 in 2023–2024, consistent with a maturing field.
Orbotech Ltd leads with 294 patent families, more than double the second-ranked Mitutoyo Corp at 144 patent families. Orbotech’s portfolio is concentrated in optical material analysis, reflecting its heritage in PCB and flat-panel display inspection.
China leads at 1,649 patent records, followed by the United States at 1,294, Japan at 854, Taiwan at 472, and Europe via the EPO at 402. Israel at 141 records reflects Orbotech’s home-market strategy. Adequate freedom-to-operate coverage requires at minimum these five jurisdictions.
G01N (material analysis and testing, covering optical inspection methods) is the dominant branch. G06T (image data processing) ranks second, followed by G01B (dimensional measurement) and G06V (image and video recognition). The growing weight of G06V and G06N suggests an increasing role for learned, data-driven inspection algorithms.
BOE Technology Group is the most active co-filer, with 20 jointly filed families alongside Beijing Zhongxiangying Technology and additional co-filings with several BOE subsidiaries and affiliates. Orbotech co-files with Core Flow Ltd (5 families). Overall collaboration density is modest, indicating most IP in this field is developed in-house.
G06N (AI model-based computing, ~3% of the technology mix) and G06V (image and video recognition, ~6%) are comparatively sparse given their technical relevance to modern inspection workflows. Both branches involve deep-learning and video-recognition methods that are increasingly applied to high-speed production-line inspection, suggesting room for differentiated filing by applicants with expertise in neural-network and temporal-recognition architectures.
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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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