CMOS Image Sensor Patent Landscape 2026
The CMOS image sensor patent space is highly concentrated, with Samsung Electronics holding a dominant position and the top five filers accounting for 43% of the hundred largest filers’ combined output. The field has reached maturity — annual filing volume plateaued near its 2023 peak and has since eased, while semiconductor device and pictorial-communication classes remain the twin pillars of the technology mix.
Samsung leads a concentrated field with a wide gap to challengers
Samsung Electronics is the clear leader, ranking first with 9,537 patent records — nearly three times the output of the second-ranked filer, Taiwan Semiconductor Manufacturing Co. (3,276 patent records). The top five applicants together represent 43% of the hundred largest filers’ combined total, indicating a heavily concentrated competitive landscape.
A pronounced tier gap separates the top four — Samsung, TSMC, OmniVision, and Sony Group — from the rest of the ranked field. Canon and Dongbu Hitek follow at positions five and six but trail the leaders by a meaningful margin, and the drop-off beyond the top ten is steep.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Samsung Electronics Co., Ltd. | 9,537 | |
| 2 | Taiwan Semiconductor Manufacturing Co., Ltd. | 3,276 | |
| 3 | OmniVision Technologies Inc. | 3,162 | |
| 4 | Sony Group Corporation | 2,954 | |
| 5 | Canon Inc. | 2,498 | |
| 6 | Dongbu HiTek Co., Ltd. | 2,114 | |
| 7 | Sony Semiconductor Solutions Corporation | 1,515 | |
| 8 | SK Hynix Inc. | 1,386 | |
| 9 | Semiconductor Components Industries LLC | 1,203 | |
| 10 | Dongbu Electronics Co., Ltd. | 1,091 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Toshiba Corporation | 931 | |
| 12 | Fujifilm Corporation | 922 | |
| 13 | Nikon Corporation | 802 | |
| 14 | Intellectual Ventures II LLC | 666 | |
| 15 | Panasonic Holdings Corporation | 602 | |
| 16 | VisEra Technologies Co., Ltd. | 555 | |
| 17 | Aptina Imaging Corporation | 473 | |
| 18 | Sharp Corporation | 470 | |
| 19 | Samsung Electro-Mechanics Co., Ltd. | 463 | |
| 20 | NEC Corporation | 446 |
The depth of Samsung’s position, built across both semiconductor-device and pictorial-communication technology branches, makes it difficult for challengers to close the gap purely through volume; differentiation via adjacent or underserved branches is the more viable entry path for mid-tier players.
Filing counts for 2024 and 2025 are understated due to patent publication lag of 18–24 months and should not be read as evidence of a structural slowdown beyond the plateau already observed through 2023. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Annual filings plateaued near 2023 peak; semiconductor and video classes dominate the mix
The filing trend and technology composition charts together show a maturing field with a stable but shifting innovation focus. Annual volume peaked in 2023 and the multi-year window still shows net positive activity, while two IPC classes account for the overwhelming share of filings.
Annual filing trend
Annual filings held broadly flat from 2017 through 2022 in the range of roughly 1,044–1,159 families per year, reached a local peak in 2023, and then eased. The 2024 and 2025 bars are significantly understated due to the 18–24 month publication lag and should not be interpreted as a real decline; 2026 data is only a partial year.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01L (Semiconductor devices) and H04N (Pictorial communication / video) together dominate the technology mix by a wide margin, confirming that core pixel-array architecture and image-signal processing remain the primary battlegrounds. Optical elements (G02B), general semiconductor devices (H10D), and light-sensitive devices (H10F) are the next largest clusters, each at substantially lower share — signalling adjacent areas where activity is comparatively sparse.
↗ 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.
Image sensor having global and rolling shutter pro…
A CMOS image sensor or other type of image sensor includes a pixel array comprising at least first and second sets of pixels. Image sensor circuitry is coupled to the pixel array and comprises a signal generator for controlling capture of image data from the first set of pixels of the pixel array using a global shutter process and for controlling capture of… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Image sensor based optical reader | 887 |
| 2 | Chip on board based highly integrated imager | 859 |
| 3 | Imaging apparatus comprising image sensor array ha… | 852 |
| 4 | Imaging terminal having focus control | 850 |
| 5 | Indicia reading terminal with color frame processing | 847 |
| 6 | Imaging apparatus comprising image sensor array ha… | 823 |
| 7 | Multiple resolution image sensor | 756 |
| 8 | Imaging apparatus comprising image sensor array ha… | 709 |
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 competitive structure means for R&D investment decisions
Four structural dimensions — maturity stage, applicant concentration, co-filing ecosystems, and geographic reach — shape where incremental R&D investment is likely to yield differentiated IP. Each dimension carries a distinct implication for how challengers and new entrants should position.
Field is in maturity: annual volume has eased from the 2023 peak
Annual filings plateaued near their 2023 peak and have since eased, consistent with a mature technology lifecycle. On a multi-year basis the field is still active, but the incremental return on filing in the dominant H01L and H04N classes is declining. R&D differentiation — rather than volume — is the higher-value play at this stage.
Lifecycle: MaturityTop five hold 43% of the top-100 filers’ share — entry barrier is high
The top five filers — Samsung, TSMC, OmniVision, Sony Group, and Canon — account for 43% of the hundred largest filers’ combined patent records. Samsung’s 9,537-record position is nearly three times TSMC’s 3,276. For challengers, competing head-to-head in core pixel-array IP is costly; adjacent branches offer lower-density entry points.
High concentrationSamsung and Sony subsystems are the most active co-filing hubs
Samsung Electronics co-files most actively with the California Institute of Technology (21 joint filings) and with Sungkyunkwan University (5 filings) and Yonsei University (5 filings), signalling a structured academic pipeline. Sony Semiconductor Solutions co-files with Sony Europe (21 filings) and with Sony Advanced Visual Sensing (8 filings), indicating intra-group IP consolidation. SK Hynix partners with Pohang University of Science and Technology (7 filings) and Dong-A University (4 filings).
Ecosystem co-filingUS is the primary filing jurisdiction; Europe and PCT are secondary
The United States is by far the lead filing office with 15,922 patent records, followed by Europe (EPO) at 2,539 and WIPO (PCT) at 1,001. Coverage in other English-speaking markets — UK (237), Canada (115), Australia (110) — is present but thin. Southeast Asian filings (Singapore: 61) are minimal, suggesting IP protection in manufacturing hubs is an underexplored option for some filers.
US-dominant geographyGo 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 |
|---|---|---|
| Samsung Electronics Co., Ltd. | California Institute of Technology | 21 |
| Sony Semiconductor Solutions Corporation | Sony Europe Limited | 21 |
| Sony Group Corporation | Sony Semiconductor Solutions Corporation | 9 |
| Sony Group Corporation | Pixar (evidence pending — mapped as provided) | 9 |
| Sony Semiconductor Solutions Corporation | Sony Advanced Visual Sensing AG | 8 |
| SK Hynix Inc. | Pohang University of Science and Technology | 7 |
| Samsung Electronics Co., Ltd. | Sungkyunkwan University | 5 |
| Samsung Electronics Co., Ltd. | Yonsei University | 5 |
| SK Hynix Inc. | Dong-A University | 4 |
| Samsung Electronics Co., Ltd. | Korea University | 3 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Samsung dominates volume; TSMC and OmniVision lead the challenger tier
The leader-challenger divide is defined by both scale and trajectory. Samsung is accelerating while most established challengers are pulling back, opening strategic space for focused second-tier players.
Samsung Electronics
Samsung leads with 9,537 patent records, concentrated in H01L 27 (semiconductor devices, 2,146 records), H04N 25 (pictorial communication, 1,525 records), and H04N 5 (817 records). Its recent filing momentum is strongly positive at +47% versus the prior three-year period, widening the gap with all challengers. Academic co-filing with Caltech, Sungkyunkwan, and Yonsei University signals a sustained pipeline investment.
patent records: 9,537OmniVision Technologies
OmniVision ranks third overall with 3,162 patent records and a technology mix balanced across H01L 27 (709 records), H04N 25 (363 records), and H04N 5 (310 records). However, its recent filing trend is down 24% versus the prior period, indicating a pull-back in volume that may reflect portfolio consolidation or a pivot toward fewer, higher-quality filings. As an independent fabless sensor designer it occupies a structurally distinct position from TSMC and the vertically integrated Japanese players.
patent records: 3,162| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Samsung Electronics Co., Ltd. | 1,248 | ▲ +47% |
| Taiwan Semiconductor Manufacturing Co., Ltd. | 287 | ▼ -7% |
| OmniVision Technologies Inc. | 133 | ▼ -24% |
| Sony Group Corporation | 21 | ▼ -82% |
| Canon Inc. | 39 | ▼ -55% |
| Sony Semiconductor Solutions Corporation | 172 | ▬ -3% |
| Semiconductor Components Industries LLC | 118 | ▲ +33% |
| SK Hynix Inc. | 51 | ▼ -46% |
Under-served branches adjacent to the dominant CMOS sensor core
The branches below are IPC classes with comparatively low filing share relative to the dominant H01L and H04N classes. They are observations of relative sparsity; they qualify as potentially actionable only where sparse activity overlaps with plausible technical value and a realistic entry path.
G02B · Optical elements & systems
G02B accounts for a 4% share among the whitespace candidates, making it the largest adjacent cluster. Optical integration — microlens arrays, on-chip aperture structures, and waveguide coupling — is technically adjacent to pixel-array design and is becoming critical for small-pixel-pitch sensors used in mobile and automotive applications. The relatively modest filing density compared with H01L and H04N suggests that optics-level innovations in the sensor stack remain underprotected, particularly for players with fabrication expertise in optical coatings or diffractive elements.
Search this in Eureka →H10F · Photovoltaic & light-sensitive devices
H10F covers light-sensitive semiconductor device physics, a foundational layer for next-generation photodetector architectures such as organic or perovskite absorber layers integrated with CMOS readout circuits. With a 2% share among the whitespace candidates, filing density is low relative to the technology’s importance to sensitivity and NIR performance improvements. Players with materials or device-physics capabilities — particularly those active in H10K (organic semiconductors) or H10D — may find lower competitive density here than in the mainstream H01L domain.
Search this in Eureka →How leading applicants differ by technology route emphasis
Route coverage across the main technology branches in the current evidence set.
| Player | H01L 27 · Semiconductor devices | H04N 25 · Pictorial communication (video/TV) | H04N 5 · Pictorial communication (video/TV) | H01L 31 · Semiconductor devices | H04N 23 · Pictorial communication (video/TV) |
|---|---|---|---|---|---|
| Samsung Electronics Co., Ltd. | Strong · 2,146 | Strong · 1,525 | Moderate · 827 | Emerging · 263 | Emerging · 386 |
| Sony Group Corporation | Strong · 612 | Strong · 573 | Strong · 553 | Emerging · 63 | Moderate · 172 |
| Canon Inc. | Strong · 465 | Strong · 609 | Strong · 521 | Emerging · 78 | Moderate · 162 |
| Taiwan Semiconductor Manufacturing Co., Ltd. | Strong · 1,174 | Emerging · 158 | Absent | Moderate · 237 | Absent |
| OmniVision Technologies Inc. | Strong · 709 | Strong · 363 | Moderate · 310 | Emerging · 115 | Emerging · 67 |
| Sony Semiconductor Solutions Corporation | Strong · 368 | Strong · 287 | Strong · 244 | Absent | Moderate · 101 |
| SK Hynix Inc. | Strong · 426 | Strong · 220 | Moderate · 213 | Emerging · 77 | Absent |
Frequently asked questions
Samsung Electronics is the top filer with 9,537 patent records in the ranked corpus, followed by Taiwan Semiconductor Manufacturing Co. with 3,276 and OmniVision Technologies with 3,162. The top five filers together account for 43% of the hundred largest filers’ combined total.
The corpus covers 9,152 patent families in scope. At the patent-record level, the United States alone accounts for 15,922 records, reflecting the breadth of multi-jurisdiction filing by leading applicants.
The field is classified as mature. Annual filing volume plateaued near a 2023 peak and has since eased. The apparent drop in 2024 and 2025 data is largely an artifact of the 18–24 month publication lag and should not be read as a structural collapse in activity.
The United States is the dominant filing jurisdiction with 15,922 patent records. Europe (EPO) is the second most important with 2,539 records, followed by WIPO (PCT) at 1,001 records. Coverage in other markets — UK, Canada, Australia — is present but thin relative to the US.
H01L (Semiconductor devices) and H04N (Pictorial communication / video) are the two dominant IPC classes, together dwarfing all other branches. Optical elements (G02B), general semiconductor devices (H10D), and light-sensitive devices (H10F) are the next largest clusters at substantially lower filing density.
Samsung Electronics and Sony Semiconductor Solutions are the most active co-filing hubs. Samsung’s largest co-filing relationships are with the California Institute of Technology (21 joint filings) and with Sungkyunkwan University (5 filings). Sony Semiconductor Solutions co-files most frequently with Sony Europe (21 filings) and Sony Advanced Visual Sensing (8 filings). SK Hynix partners with Pohang University of Science and Technology (7 filings).
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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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