MEMS Resonator Patents: Who Leads, Where the Gaps Are 2026
- 31.4% of all 1,257 records sit with just five assignees, but the next tier down thins out fast — a long tail of single- and few-filing entrants fills the remaining ranking.
- Filing plateaued, not fell: 2021-to-2024 volume moved from 36 to 33, an 8% dip over three complete years — read later years as still filling in, not declining.
- H03H filters dominate claim space at 37.2% of records, while navigation-adjacent G01C and oscillator-circuit H03B classes sit well under 10-11%, leaving room outside the core filter art.
Filing growth compares 2021 (36 records) with 2024 (33) — 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 1,257 records in scope (CR5), not by the ranked leaders only.
What this landscape covers
This dataset tracks 1,257 published patent records filed against temperature-compensated MEMS resonator and related MEMS/NEMS device art between 2015 and mid-2026. The search string pairs resonator- and thermal-compensation-specific language with general MEMS/NEMS device terms, so the corpus captures both dedicated resonator claims and broader micromachined-sensor filings that reference compensation techniques. Patent families, not raw document counts, are the unit used for the assignee ranking, which reduces distortion from continuation filings and multi-jurisdiction duplicates.
Filing activity peaked in 2017 at 61 records and has since settled into a lower, comparatively stable band. Because publication typically lags filing by around 18 months, the last one to two years in any chart will always look thinner than the underlying filing activity actually was — that effect, not a real drop-off, explains most of the visible decline near the right edge of the trend line.
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Filing trends and technology composition
Two views of the same corpus: how filing volume has moved year over year, and how records distribute across IPC subclasses. Because a single record can carry several IPC classes, the composition shares below sum to well over 100% of the 1,257 records in scope — that is expected and reflects overlapping claim scope, not double-counting.
A plateau, not a decline
Volume ran from 61 in the 2017 peak down to a stable mid-30s band by the early 2020s. Over the three complete years 2021-2024, filings moved from 36 to 33 — an 8% pullback rather than a collapse. Years beyond 2024 in the chart are undercounted because of publication lag and should not be read as a further drop.
Filters and MEMS fabrication carry the claim density
H03H (impedance networks and filters) touches 37.2% of records and B81B (microstructural MEMS devices) 25.8%, with H01L semiconductor-device claims and B81C MEMS manufacturing close behind at 24.8% and 20.5%. Navigation/gyroscope-adjacent G01C (10.4%) and oscillation-generation H03B (9.5%) are present but comparatively thin, which is where less-crowded claim territory tends to sit.
Shares are the percentage of the 1,257 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on MEMS & NEMS — Temperature-Compensated MEMS Resonators Patent Landscape with Eureka
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Try EurekaKey patents shaping the field
US8884711B2 — MEMS device oscillator loop with amplitude control
A MEMS device and method for amplitude regulation of a MEMS device are disclosed. In a first aspect, the MEMS device comprises a MEMS resonator, a limiter coupled to the MEMS resonator, and a regulator coupled to the limiter. The MEMS device includes an amplitude control circuit coupled to the MEMS resonator. The amplitude control circuit controls a supply of the limiter via the regulator to regulate oscillation loop amplitude of the MEMS device.Filed by Invensense; issued 2014-11-11. The claim structure ties amplitude regulation directly to the resonator-limiter-regulator loop, which is the part of the architecture most designs still have to route around.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US6210988B1 | Polycrystalline silicon germanium films for forming micro-electromechanical systems | 353 |
| 2 | US20160182009A1 | Plate wave devices with wave confinement structures and fabrication methods | 350 |
| 3 | US6232150B1 | Process for making microstructures and microstructures made thereby | 303 |
| 4 | US8278802B1 | Planarized sacrificial layer for MEMS fabrication | 295 |
| 5 | US20090108381A1 | Low temperature bi-CMOS compatible process for MEMS RF resonators and filters | 279 |
| 6 | US9369105B1 | Method for manufacturing a vibrating MEMS circuit | 265 |
| 7 | US20140210314A1 | MEMS vibrating structure using an orientation dependent single-crystal piezoelectric thin film layer | 247 |
| 8 | US20120098074A1 | MEMS device with release aperture | 223 |
| 9 | US20170214381A1 | Guided wave devices with selectively thinned piezoelectric layers | 184 |
| 10 | US10211806B2 | Guided wave devices with embedded electrodes and non-embedded electrodes | 171 |
Citation counts reflect influence within the searched corpus and skew toward older filings — read them as markers of foundational fabrication and materials work, not as a ranking of current relevance.
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Three patterns stand out once filing volume, assignee concentration and citation depth are read together.
Ownership is top-heavy but not closed
The top five assignees hold 395 records, 31.4% of the full 1,257-record corpus, and the top ten hold 544, or 43.3%. That leaves more than half the corpus spread across a long tail of the ranked leaders, which suggests active claim space still exists outside the largest filers even in a concentrated field.
A plateau, read correctly
The three most recent complete years show an 8% pullback rather than a sharp decline. Given the roughly 18-month lag between filing and publication, years closer to the 2026 cut-off understate real activity and should not be extrapolated into a downward trend.
Filter claims dominate, adjacent classes are thinner
H03H and B81B together touch the majority of records, meaning most claim activity clusters around filter circuitry and core microstructure fabrication. G01C and H03B, at 10.4% and 9.5% respectively, mark comparatively under-claimed adjacent territory.
Foundational fabrication art still anchors the field
The most-cited records date to fabrication and materials work from the late 1990s and 2000s rather than recent filings, which is typical of citation counts inside a searched corpus — older, foundational patents accumulate citations simply by having more time in circulation.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to mems & nems — temperature-compensated mems resonators patent landscape, with the prior art for and against each one.
Who is filing, and where momentum sits
The ranked leaders span device makers, foundry-adjacent research institutes and semiconductor houses. Recent-year momentum figures show several of the largest historical filers with little or no activity in the latest year, which is consistent with publication lag rather than an actual pullback for most of them.
A clear leader, then a steep drop-off
The top assignee holds 149 records, well ahead of fifth place at 42 and tenth place at 27. That gap between first and fifth is the clearest sign that early, sustained filing in this space compounds into a durable lead rather than a temporary one.
The tier below the leaders is closely bunched
From fifth place down, record counts tighten considerably, suggesting a competitive mid-tier where no single company has pulled decisively ahead. This is the group most likely to shift position as recent filings publish.
Joint filings cluster around a small number of pairs
Co-assignee activity is concentrated in a handful of recurring pairings, several involving a research institute alongside a named inventor or partner organisation, pointing to standing research collaborations rather than one-off joint ventures.
| Assignee | Recent year | YoY |
|---|---|---|
| Stathera IP Holding Inc | 4 | -20% |
| SiTime Corp | 0 | -100% |
| NXP B.V. | 0 | — |
| Murata Manufacturing Co., Ltd. | 0 | — |
| The Regents of the University of California | 0 | — |
| Qorvo US, Inc. | 0 | — |
| International Business Machines Corporation (IBM) | 0 | — |
| Silicon Laboratories Inc. | 0 | — |
Where to take this analysis
The figures above establish the shape of the field. Turning that shape into a filing or freedom-to-operate decision means drilling into specific claim language and specific competitors.
Map claims against the leader's portfolio
With 149 records at the top spot, checking claim overlap against that single assignee before filing in adjacent territory avoids the densest prior art.
Explore assignee portfolios in EurekaTrack the under-claimed branches
G01C and H03B overlap sit under 11% of records each — worth a closer claim-by-claim read before assuming the space is occupied.
Run a white-space search in EurekaWatch citation-heavy foundational patents
The most-cited records anchor fabrication and materials claims that later filings still build on; understanding their scope clarifies what is actually settled art.
Trace citation chains in EurekaCommon questions about this landscape
One assignee leads the ranking with 149 records, noticeably ahead of the fifth-ranked assignee at 42 and the tenth-ranked at 27. That gap suggests an early and sustained filing strategy rather than a recent surge. Below the top few positions, holdings tighten considerably, so the field is best described as having one clear leader followed by a competitive mid-tier rather than a flat distribution.
Over the three most recent complete years, 2021 to 2024, filings moved from 36 to 33 records, an 8% decline rather than a sharp drop. Filing peaked earlier, in 2017, at 61 records. Because published records lag actual filing dates by roughly 18 months, the years closest to the 2026 data cut-off will always understate real activity, so treat any apparent recent decline with that caveat rather than reading it as a market signal.
H03H, impedance networks and filters, touches 37.2% of the 1,257 records in scope, the largest single share. B81B, microstructural MEMS devices, follows at 25.8%, with H01L semiconductor-device claims at 24.8% and B81C MEMS manufacturing at 20.5%. Because records commonly carry more than one IPC class, these shares overlap rather than sum to 100%, reflecting how filter circuitry, device structure and fabrication process claims frequently appear together in the same filing.
The classes with comparatively lower record shares — G01C at 10.4% and H03B at 9.5% — mark territory adjacent to the core filter and fabrication art that is less densely claimed. A first claim there would likely combine a compensated resonator structure with a specific navigation or oscillator-circuit application rather than restating general thermal-compensation mechanics, since that general ground is already heavily occupied in H03H and B81B.
US8884711B2 covers a MEMS oscillator loop architecture where an amplitude control circuit regulates a limiter and regulator coupled to the MEMS resonator, specifically to control oscillation loop amplitude. It does not claim thermal compensation generally; it claims a particular feedback-loop arrangement for amplitude regulation in a MEMS oscillator. Anyone building an oscillator loop that regulates amplitude through a similarly coupled limiter-regulator structure should check this claim's specific coupling arrangement before assuming a different topology avoids it.
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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.