MEMS Accelerometer Signal Conditioning Patents: Leaders & Trends 2026
A data-backed look at MEMS accelerometer signal conditioning patents: who leads filings, how the technology splits across IPC classes, and where filing white space remains open through 2026.
Filing growth = 2021 (5 records) → 2024 (4); 2024 is the last year we treat as complete. Top-5 share = the 5 largest assignees ÷ all 68 records in scope (CR5), not the ranked leaders only.
What this landscape covers
MEMS accelerometer signal conditioning sits at the boundary between the mechanical sensor element and the digital output a system consumes. Patent activity here concentrates on analog front-end circuits — transimpedance and charge amplifiers, closed-loop drive interfaces, chopper-stabilised readout, and compensation circuits that correct for temperature drift, offset and nonlinearity before a signal ever reaches an ADC. The scope tracked on this page combines classification codes for velocity/acceleration measurement with amplifier and general instrumentation classes, so it captures both the sensor-side claims and the circuit-side claims that make a MEMS accelerometer usable in a product.
68 published records sit in scope across the 2015-to-2026 window, with the assignee ranking covering 39 companies. Publication lags filing by roughly 18 months, so the 2025 and 2026 counts in the trend chart understate actual filing activity for those years.
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Filing trend and technology composition
Two views of the same 68 records: how filing activity has moved year over year, and how those records split across IPC subclasses.
A 2022 peak followed by a real pullback
Filings rose from 6 in 2017 to a peak of 10 in 2022. The 2021-to-2024 span moved from 5 to 4 records, a 20% decline over that three-year window — the most recent period long enough to read as complete, since publication lag means 2025 and 2026 are still filling in.
Publication lags filing by roughly 18 months, so 2025 onwards are still filling in. Growth rates on this page therefore end at 2024; running them to the last bar would understate the field.
Velocity and acceleration classes dominate
G01P (velocity and acceleration) appears on 69.1% of the 68 records, far ahead of any other class. G01C (navigation and gyroscopes) and H03F (amplifiers) each sit at 11.8%, with G01H (vibration and sound measurement) close behind at 10.3%. Because a single record can carry multiple IPC codes, these shares add up to more than 100% and should be read against the 68-record total, not against each other.
Shares are the percentage of the 68 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on MEMS Accelerometer Signal Conditioning Patent Landscape with Eureka
This page is one run against one query. Ask Eureka your own question about mems accelerometer signal conditioning patent landscape and every answer comes back with the patent numbers behind it.
Try EurekaMost-cited records in this landscape
Dual port transimpedance amplifier with separate feedback
A transimpedance amplifier circuit with an AC signal path and a DC bias path separate from the AC signal path that may be used with a wide variety of sensors such as MEMS accelerometers, photo detectors and pressure sensors. The circuit includes a high impedance input pseudo-resistor that minimizes the area needed on an integrated circuit and configured to minimize losses, noise injection, noise gain and distortion while maintaining amplifier bandwidth, linearity and output voltage range.Filed by Honeywell International; published 2017-07-20 as US20170207760A1.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20180038887A1 | Anchor tracking apparatus for in-plane accelerometers and related methods | 27 |
| 2 | US20170207760A1 | Dual port transimpedance amplifier with separate feedback | 22 |
| 3 | US20190187170A1 | Multi-Stage MEMS Accelerometer for Mixed G-Level Operation | 19 |
| 4 | CN103219989A | 高线性Σ-Δ闭环加速度计接口电路 | 17 |
| 5 | CN103105508A | 采用斩波技术的MEMS微加速度计闭环驱动电路 | 15 |
| 6 | KR1020130112792A | Noise reduction method with chopping for a merged MEMS accelerometer sensor | 14 |
| 7 | US10203352B2 | Anchor tracking apparatus for in-plane accelerometers and related methods | 11 |
| 8 | CN103472262A | 量程可调式MEMS加速度计的参数标定方法 | 11 |
| 9 | CN104914275A | 一种新型MEMS电容式加速度计温度补偿电路 | 10 |
| 10 | US7997137B2 | Bidirectional readout circuit for detecting direction and amplitude of capacitive MEMS accelerometers | 10 |
Ranked by citation count within the searched corpus. Older records accumulate citations over more time, so treat this as a signal of influence rather than of current technical importance.
Patent titles are shown in the language they were filed in, not translated, so that each record stays verifiable against the original filing — a translated title will not match in Eureka or in any national register. Each row carries its publication number; clicking a row searches Eureka by that number.
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Three cuts of the same dataset, read for what they imply about where to file and who to watch.
The top of the field is dense, but not locked
The top 5 assignees combined account for 35.3% of the 68 records in scope, and the top 10 reach 50.0%. That leaves half the field spread across a long tail within a 39-company ranking — real room for a new entrant to build a position rather than fight the leader head-on.
Activity has cooled since the 2022 peak
Filings peaked at 10 in 2022 after climbing from 6 in 2017. The 2021-to-2024 comparison shows a 20% decline, the most recent span that can be read as complete given publication lag — a signal to revisit assumptions about where competitors are still investing.
Circuit claims cluster around the sensor class
G01P (velocity and acceleration) touches 69.1% of the 68 records, while amplifier-specific class H03F sits at only 11.8%. That gap suggests many circuit innovations are being claimed as part of the sensor system rather than as standalone amplifier art — worth checking before assuming a circuit-only claim is novel.
China is the primary filing venue to track
China receives 35 of the tracked filings against 21 for the United States, with WIPO, EPO and South Korea trailing in single digits. Any freedom-to-operate review for this technology area should treat Chinese filings as the first-pass search, not a supplementary one.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to mems accelerometer signal conditioning patent landscape, with the prior art for and against each one.
Where to take this landscape
The numbers above answer what has been filed. The next questions are what to do with that — where to file, who to watch, and what a workable claim looks like today.
Map the white space against your own roadmap
Overlay a specific circuit approach — chopper-stabilised readout, closed-loop drive, or temperature compensation — against the IPC composition here to see which branches are thin and still open to a first-mover claim.
Explore white space in EurekaTrack the leader and the tail separately
The top 5 assignees behave differently from the long tail below rank 10 — one group is defending a filed position, the other is testing new approaches. Different competitive responses suit each.
Build a competitor watchlist in EurekaCheck China filings before finalising claims
With 35 of 68 records filed through the Chinese receiving office, a freedom-to-operate search that starts and ends in English-language US filings will miss over half the relevant art.
Run a China-first FTO search in EurekaCommon questions on this landscape
The assignee ranking for this dataset covers 39 companies, with the leader holding 9 of the 68 records in scope. The top 5 assignees together account for 35.3% of all records, and the top 10 reach 50.0%, which means half the field is spread across a long tail of single- or few-filing entrants. This is a moderately concentrated field rather than one dominated by a single owner, so a new entrant still has room to build a defensible position without going head-to-head with the leader on every claim.
Filings rose from 6 in 2017 to a peak of 10 in 2022, then the 2021-to-2024 comparison shows a 20% decline from 5 to 4 records. That is the most recent span that can be read as a complete trend, because publication lags filing by roughly 18 months and the 2025-2026 counts will keep rising as later filings publish. Read the pullback as a real signal about the 2021-2024 period specifically, not as proof the field is winding down overall.
US20170207760A1, assigned to Honeywell International, claims a transimpedance amplifier circuit with separated AC signal and DC bias paths, designed to work across MEMS accelerometers, photo detectors and pressure sensors. It uses a high-impedance pseudo-resistor input to minimise chip area while controlling noise, gain and distortion. It is the second most-cited record in this dataset, which signals it is frequently referenced by later filings working on similar transimpedance or dual-path amplifier architectures — a strong first stop for any design-around analysis in that specific circuit topology.
G01P, the velocity-and-acceleration class, appears on 69.1% of the 68 records in scope and is by far the dominant classification. G01C (navigation and gyroscopes) and H03F (amplifiers) each sit at 11.8%, with G01H (vibration and sound measurement) close behind at 10.3%. Because records often carry more than one IPC code, these figures overlap rather than summing to 100%, and the relatively low H03F share suggests much of the amplifier-level innovation is being claimed inside sensor-system filings rather than as standalone circuit patents.
China is the largest receiving office in this dataset with 35 of the 68 tracked filings, ahead of the United States at 21. WIPO (PCT), the EPO and South Korea each account for single-digit counts, with Austria smaller still. A search strategy that only covers English-language US publications would miss more than half the relevant filings, so Chinese-language prior art review should be a first-pass step, not an afterthought, for any clearance work in this space.
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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.