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Run your analysis now →https://www.patsnap.com/resources/blog/rd-blog/micromirror-and-optical-mems-devices-patent-landscape/ · Patsnap · data cut-off 2026-07-31 · downloaded from the live page
Patent Landscape · MEMS FabricationMicromirror and Optical MEMS Device Patents
- Filings peaked in 2020 at 46 and have since pulled back 2021's 40 filings dropped to 17 by 2024, a 57% decline over that span — though 2025-2026 figures are still filling in as publication catches up with filing.
- The field is not dominated by one company the top 5 assignees hold 22.6% of all 1,483 records and the top 10 hold 33.6%, leaving a long tail of single- and few-filing entrants.
- Optics classes outweigh MEMS-specific classes G02B (optical elements) touches 64.0% of records versus 27.4% for B81B (microstructural devices), showing most claims are written around optical function rather than fabrication.
1,483
Published Records
23%
Top-5 Share of All Records
-57%
Filing Growth 2021→2024
US
Leading Jurisdiction
Filing growth compares 2021 (40 records) with 2024 (17) — 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 1,483 records in scope (CR5), not by the ranked leaders only.
Published byPatsnap Research··7 min readSourced from Patsnap Eureka
Overview
What this landscape covers
This dataset tracks 1,483 patent records published between 2015 and 2026 that combine micromirror array, optical MEMS or scanning micromirror language with claims touching tilt angle range, resonant frequency, mirror flatness, electrostatic actuation, hinge fatigue or optical fill factor. That search boundary captures both the optical-system side of the technology and the mechanical MEMS fabrication side, which is why the IPC composition spans optical elements, microstructural devices and MEMS manufacturing classes rather than sitting in a single class.
Patent families are the more reliable unit here because they strip out repeat filings across jurisdictions and continuation practice; this ranking is already built on the family-level count of 1,483. Publication lags filing by roughly 18 months, so any read of the most recent one or two years understates real filing activity — the 2024 figure is the last one treated as complete for trend purposes.
Filing activity and technology composition, 2015-2026
Source: Patsnap Eureka. Assignee ranking and totals. Derived from a Patsnap search on Micromirror and Optical MEMS Devices covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
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The Numbers
Filing trend and technology composition
Two views of the same 1,483 records: how filing activity has moved year over year, and which IPC subclasses the claims sit in.
A 2020 peak followed by a real pullback
Filings rose from 34 in 2017 to a peak of 46 in 2020, then fell — 2021's 40 filings dropped to 17 by 2024, a 57% decline over that three-year window. Because publication trails filing by about 18 months, 2025 and 2026 numbers are still incomplete and should not be read as confirming or denying that decline.
Optical classes dominate, MEMS classes follow
G02B (optical elements & systems) appears on 64.0% of the 1,483 records, well ahead of B81B (microstructural devices, 27.4%) and B81C (MEMS manufacturing, 14.0%). Smaller but consistent overlap with H04N, H01L, G01S, H02N and G01N shows the technology reaching into imaging, semiconductor integration, positioning and materials testing. Records can carry more than one class, so these shares add to more than 100% of the record total.
Shares are the percentage of the 1,483 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Source: Patsnap Eureka. Filing trend and technology composition. Derived from a Patsnap search on Micromirror and Optical MEMS Devices covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.
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Representative filing and most-cited prior art
Representative Record
US8238018B2 — MEMS micromirror and micromirror array
2278460 ALBERTA INC.
A micro-electro-mechanical-system (MEMS) micromirror array has an array of micromirrors on a support structure. Each micromirror is pivotally attached to the support structure by a resilient structure that defines a pivot axis. An array of electrostatic actuators pivotally drives the micromirrors about that axis, each actuator comprising a first part carried by the support structure and a second part carried by the corresponding micromirror. An electrostatic sink mounted to the support structure shields at least one micromirror from spurious electrostatic actuation.Filed by 2278460 Alberta Inc., published 2012-08-07 — predates the 2015 start of this dataset's scope but remains active prior art against later filings in the field.
Most-cited records in this dataset
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20040052076A1 | Controlled lighting methods and apparatus | 911 |
| 2 | US5535047A | Active yoke hidden hinge digital micromirror device | 848 |
| 3 | US20050276053A1 | Thermal management methods and apparatus for lighting devices | 677 |
| 4 | US20050047134A1 | Controlled lighting methods and apparatus | 527 |
| 5 | US7344279B2 | Thermal management methods and apparatus for lighting devices | 495 |
| 6 | US20130207970A1 | Scanning depth engine | 469 |
| 7 | US20040100677A1 | Spatial light modulators with light blocking/absorbing areas | 387 |
| 8 | US20020029814A1 | Microfabricated elastomeric valve and pump systems | 342 |
| 9 | US7845823B2 | Controlled lighting methods and apparatus | 339 |
| 10 | US20170164878A1 | Wearable Technology for Non-Invasive Glucose Monitoring | 318 |
Citation counts favour older filings that have had more time to accumulate citations within the searched corpus; treat them as a signal of influence rather than current relevance.
Each row carries its publication number; clicking a row searches Eureka by that number.
Source: Patsnap Eureka. Citation counts and representative records. Derived from a Patsnap search on Micromirror and Optical MEMS Devices covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
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What the concentration and citation data indicate
Reading the ranking, the citation table and the receiving-office split together points to where claim space is contested and where it is still open.
Concentration
22.6% / 33.6%
top 5 / top 10 share of 1,483 records
Leadership is real but not dominant
The leading assignee holds 101 records and the tenth-ranked holds 23 — a steep drop-off inside the ranked group, but the top 10 combined still account for only a third of all records. That leaves most of the field's activity distributed across a long tail of the remaining ranked assignees plus unranked filers.
Ranked assignee data, 100 companies
Momentum
-57%
2021 (40) to 2024 (17) filings
A genuine pullback, not a data artefact
Filings fell from 40 in 2021 to 17 in 2024, a decline that holds even before accounting for publication lag, since 2024 is the last year treated as complete. Whether this reflects claim-space saturation, consolidation among leading filers, or a shift of R&D into adjacent optical technologies is not something the filing count alone can answer.
Filing trend, 2017-2026
Prior art
911 citations
highest-cited record in the set
Foundational lighting patents still anchor the field
The most-cited records in this set are older lighting-control and thermal-management patents rather than recent micromirror-specific filings, which is typical of citation counts inside a bounded corpus: they reward age and broad applicability, not current technical relevance.
Most-cited records table
Jurisdictions
779 US filings
of the tracked receiving offices
US-centred with a real PCT and EPO presence
The United States receives the largest share of filings at 779, with WIPO's PCT route at 224 and the EPO at 190 showing meaningful international filing behind the leading assignees. Germany and Australia filings are smaller but consistent, suggesting deliberate regional filing rather than incidental coverage.
Receiving office counts
Eureka AI Agent
Looking for what nobody has claimed yet?
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to micromirror and optical mems devices, with the prior art for and against each one.
Source: Patsnap Eureka. Co-assignee relationships and derived observations. Derived from a Patsnap search on Micromirror and Optical MEMS Devices covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
Players
Who is filing, and where the field is still open
The ranked assignees include large optics and semiconductor firms alongside university and smaller specialist filers; recent-year activity from the leading names has slowed across the board, consistent with the broader filing pullback.
Leader position
101 records
top-ranked assignee
A single leader well ahead of the field
The top-ranked assignee holds 101 records, more than double the fifth-placed filer's 47, indicating a sustained, deliberate filing programme rather than opportunistic single filings.
Assignee ranking, 100 companies
Mid-field drop-off
47 → 23
fifth to tenth place
Concentration thins quickly past fifth place
Record counts fall from 47 at fifth place to 23 at tenth, meaning the top 10 group is itself unevenly weighted toward its upper half rather than flat.
Assignee ranking, 100 companies
Co-filing
10 pairs
co-assignee relationships identified
Co-assignment is limited and concentrated
Only 10 co-assignee pairs appear in this dataset, and the strongest of these links one filer to a small set of named individuals — suggesting most patenting here is done independently rather than through joint ventures or shared R&D filings.
Co-assignee pairs
Recent-year filing momentum among leading assignees
| Assignee | Recent year | YoY |
|---|---|---|
| Apple Inc. | 0 | — |
| Texas Instruments Inc. | 0 | — |
| Capella Photonics Inc. | 0 | — |
| California Institute of Technology | 0 | — |
| Stereo Display Inc. | 0 | — |
| ANGSTROM INC | 0 | — |
| Analog Devices Inc. | 0 | — |
| Reflectivity Inc. | 0 | — |
Source: Patsnap Eureka. Assignee-level momentum. Derived from a Patsnap search on Micromirror and Optical MEMS Devices covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
What's Next
Where to take this analysis
The dataset points to specific next steps depending on whether the goal is freedom-to-operate, competitive tracking or identifying open claim space.
Run a freedom-to-operate check against the leading assignees
With the top 10 assignees holding a third of all records, a targeted FTO search against just those filers' claim sets covers a disproportionate share of the contested space before widening to the long tail.
Explore assignee claims in Eureka →Track the post-2024 filing signal as it fills in
Because 2025 and 2026 filings are still being published, revisit the trend in six to twelve months to see whether the 2021-2024 decline continues or reverses once lag-affected years are complete.
Set up a filing trend alert in Eureka →Probe the under-claimed branches for early filing opportunities
Hinge fatigue modelling and resonant-frequency drift compensation show thinner claim density than the core optical classes, making them candidates for a first-mover filing rather than crowded prior art.
Search white space in Eureka →Source: Patsnap Eureka. Forward-looking reading of the same dataset. Derived from a Patsnap search on Micromirror and Optical MEMS Devices covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
FAQ
Common questions about this landscape
The ranked leader in this dataset holds 101 of the 1,483 records in scope, well ahead of the fifth-ranked assignee at 47 and the tenth-ranked at 23. That said, the top 10 assignees combined account for only 33.6% of all records, so no single company controls the field outright. The remaining two-thirds of filings are spread across a long tail of smaller and single-filing entrants, which matters for anyone assuming a handful of firms cover the whole claim landscape.
Filings grew from 34 in 2017 to a peak of 46 in 2020, then declined — 40 filings in 2021 fell to 17 by 2024, a 57% drop over that span. Because patent publication typically lags filing by about 18 months, the 2025 and 2026 figures in this dataset are still incomplete and should not yet be read as continuing or reversing that decline. The safest statement supported by the evidence is that the 2021-2024 window shows a genuine pullback from the 2020 peak.
US8238018B2 claims a MEMS micromirror array in which each micromirror is pivotally attached to a support structure by a resilient structure defining a pivot axis, with an array of electrostatic actuators driving the pivot motion and an electrostatic sink shielding mirrors from spurious actuation. Anyone designing an electrostatically actuated micromirror array with a similar hinge-and-actuator architecture should check this claim scope directly, particularly the electrostatic sink shielding element. It was filed by 2278460 Alberta Inc. and published in 2012, so it predates this dataset's 2015 window but remains live prior art against later filings.
Relative to the dense claim activity in core optical elements (G02B, 64.0% of records) and general microstructural devices (B81B, 27.4%), narrower technical branches such as hinge fatigue life modelling, wafer-level mirror flatness calibration and resonant-frequency drift compensation show thinner representation in this dataset. That does not guarantee those areas are patentable white space — it means the claim density visible in this search is lower there than in the core classes, which is worth verifying with a targeted search before committing R&D or filing budget.
The United States receives the largest share of tracked filings at 779, followed by the WIPO PCT route at 224 and the European Patent Office at 190, with smaller but consistent activity in Germany and Australia. This pattern suggests the leading assignees are pursuing deliberate multi-jurisdiction protection rather than filing only domestically, which is typical for a field with both US-based leaders and international manufacturing and licensing interests.
Answers are grounded in the same dataset. Derived from a Patsnap search on Micromirror and Optical MEMS Devices covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish.Run this in Eureka MCP
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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.