MEMS Accelerometer Pressure Sensor Patent Landscape
MEMS Accelerometer Pressure Sensor Patent Landscape in 2026
InvenSense dominates a small, mature corpus of 14 patent families, holding the largest single share among all filers. Annual filing volume has plateaued near its 2019 and 2023 peaks, signalling a field in maturity rather than active expansion.
InvenSense leads a highly concentrated, small-corpus field
InvenSense holds the top position in the applicant ranking, followed at a distance by Shanghai Jiao Tong University and Suzhou Zhonghong Weiyu Technology, each with substantially fewer patent records. The field is narrowly held: the top five filers account for 67% of the combined total among the hundred largest filers.
The tier gap between rank one and the rest is pronounced. InvenSense’s count is three times that of the next two applicants combined, creating a clear dominant-player structure rather than a balanced competitive field.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | InvenSense Inc | 6 | |
| 2 | Shanghai Jiao Tong University | 2 | |
| 3 | Suzhou Zhonghong Weiyu Technology Co., Ltd. | 2 | |
| 4 | Lovely Professional University | 1 | |
| 5 | Hangzhou Hanlu Geophysical Exploration Co., Ltd. | 1 | |
| 6 | Yang Hongyuan | 1 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 7 | Zhongke Huakong Aerospace Technology (Hefei) Co., Ltd. | 1 | |
| 8 | Beijing Yundahuakai Technology Co., Ltd. | 1 | |
| 9 | Zhongke Huakong Technology Anhui Co., Ltd. | 1 | |
| 10 | Galgotias University | 1 | |
| 11 | Tianjin Andaweier Aviation Technology Co., Ltd. | 1 |
InvenSense’s strong position across MEMS microstructural device (B81B), dimensional measurement (G01B), and force/pressure measurement (G01L) classes indicates broad technical coverage rather than narrow specialisation, raising freedom-to-operate considerations for new entrants in core sensing sub-classes.
The most recent 18–24 months of filing data are subject to publication lag and likely under-represent true activity; conclusions about very recent shifts should be treated as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Plateaued annual volume; acceleration and MEMS microstructure dominate the technology mix
The filing trend and technology composition charts together show a field that peaked around 2019 and 2023 without sustained growth, while the IPC mix reveals that core acceleration measurement remains central alongside a dispersed set of application-specific branches.
Annual filing trend
Annual filings first peaked in 2019, dipped, then matched that level again in 2023 before easing. The overall recent-window growth is flat at zero percent. The 2024–2025 period should be read with caution given publication lag; the apparent low in 2021 and the modest 2025 count are consistent with a maturity plateau rather than a structural decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G01P (velocity and acceleration) is the dominant IPC branch, reflecting the core sensor function. G01L (force and pressure measurement) and B81B (MEMS microstructural devices) follow, confirming the dual sensing character of this corpus. The long tail of application-specific branches — spanning marine rescue, geophysics, medical devices, ammunition, and wireless networks — illustrates how broadly MEMS accelerometer pressure sensor technology is being deployed across end-use domains.
↗ 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.
Trajectory estimation system
A system and method for efficiently determining trajectory and/or location of a device (or user thereof). In a non-limiting example, rotation matrix coefficients may be analyzed in conjunction with stepping information to determine device trajectory and/or location. The system and method may, for example, be implemented in a MEMS sensor system, for example… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Trajectory estimation system | 11 |
| 2 | 一种便携式智能溺水救生系统 | 10 |
| 3 | 一种轻便式防溺水智能救生系统 | 8 |
| 4 | 基于MEMS加速度计的智能手写系统及其识别方法 | 4 |
| 5 | Dual-sealed accelerometer with cavity pressure mon… | 1 |
| 6 | Trajectory estimation system | 1 |
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 structure means for R&D investment decisions
The combination of a dominant incumbent, a mature filing curve, and a dispersed application footprint defines the strategic context for any new entrant or existing player looking to extend coverage.
Field has plateaued near its peak
The lifecycle evidence indicates annual filings have plateaued near their peak, placing the field firmly in a maturity stage. Filing activity spiked in 2019 and again in 2023 but has not established a sustained upward trajectory. For R&D teams, this means incremental improvement patents face a crowded prior-art landscape, while genuinely differentiated architectures or novel application domains offer the clearest path to protectable positions.
Lifecycle: MaturityOne dominant filer; rest are fragmented
InvenSense accounts for a disproportionate share of records among the ranked filers, with the top five together representing 67% of the hundred largest filers’ combined total. The remaining applicants — several of which are universities or small Chinese firms — hold single-digit counts. This structure means that outside InvenSense’s claim footprint, the field is relatively open, but freedom-to-operate analysis against InvenSense’s portfolio is a prerequisite for any product development programme.
High concentrationOne co-filing pair identified; ecosystem is sparse
The only recorded collaboration is between Zhongke Huakong Aerospace Technology (Hefei) and Zhongke Huakong Technology Anhui — two entities sharing a common institutional origin — which co-filed on a single ammunition-guidance application. No broader multi-party co-filing networks are evidenced. For new entrants, this sparse collaboration landscape suggests that partnering with academic institutions (Shanghai Jiao Tong University and Lovely Professional University are both active) could be an under-used route to building an initial patent position.
Sparse ecosystemChina dominates filings; US presence is InvenSense-anchored
China accounts for the largest share of jurisdiction records, followed by the United States, India, Europe (EPO), and WIPO (PCT). The US presence is anchored primarily by InvenSense. India’s appearance — driven by university filers Lovely Professional University and Galgotias University — signals emerging academic interest. For companies seeking geographic coverage, EPO and PCT routes remain lightly utilised relative to the technology’s commercial reach.
China-led 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 |
|---|---|---|
| Zhongke Huakong Aerospace Technology (Hefei) Co., Ltd. | Zhongke Huakong Technology Anhui Co., Ltd. | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
InvenSense leads on breadth; Shanghai Jiao Tong University anchors academic activity
Two distinct player profiles emerge: a commercial incumbent with broad technical coverage and a research-institution cohort with narrower, application-specific focuses.
InvenSense Inc
InvenSense holds 6 patent records in the ranked corpus, the highest count of any filer. Its technology focus spans MEMS microstructural devices (B81B), dimensional measurement (G01B), and force/pressure measurement (G01L) — a combination reflecting system-level sensor integration rather than a single sub-function. Momentum data shows InvenSense as a new entrant to the most recent filing window with 3 recent records, suggesting active portfolio maintenance despite the field’s overall maturity plateau.
patent records: 6Shanghai Jiao Tong University
Shanghai Jiao Tong University holds 2 patent records, tied for second place alongside Suzhou Zhonghong Weiyu Technology. Its technology focus is concentrated in acceleration measurement (G01P 15), human-computer interaction data processing (G06F 3), and data recognition (G06K 11) — pointing toward gesture-recognition and smart-interface applications of MEMS accelerometers. No momentum data places it in the recent active-filer list, indicating a stable rather than accelerating position.
patent records: 2| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| InvenSense Inc | 3 | ▲ new entrant |
| Lovely Professional University | 1 | ▲ new entrant |
| Beijing Yundahuakai Technology Co., Ltd. | 1 | ▲ new entrant |
Under-served routes worth watching in MEMS accelerometer pressure sensing
Several IPC branches appear in the corpus at low counts relative to the dominant G01P class. These are observations of relative sparsity; the two below also carry plausible technical rationale and a visible entry path.
G01C · Navigation and gyroscopes
G01C (distance, navigation, and gyroscopes) appears with only 2 patent records and a 5% share among the ranked branches, yet inertial navigation systems are a natural pairing with MEMS accelerometer pressure sensors in drone, autonomous vehicle, and wearable applications. Beijing Andaweier Technology is the sole identifiable filer here. An entrant combining MEMS accelerometer and barometric pressure data for altitude-aided dead-reckoning navigation could build a differentiated position with limited prior-art competition in this specific intersection.
Search this in Eureka →G01D · General measurement and recording
G01D (measuring, general, and recording) holds 2 patent records at a 5% share, with Beijing Yundahuakai Technology as the primary filer. Multi-parameter data-logging devices that simultaneously record acceleration, pressure, and environmental signals for industrial condition monitoring represent a plausible extension. The branch’s sparsity combined with growing demand for predictive-maintenance sensor nodes in manufacturing and infrastructure suggests it could support novel filings, though the small corpus size means this observation should be validated with a broader prior-art search before committing R&D resources.
Search this in Eureka →How leading filers differ by technology route
Strength of each leader across the main technology routes.
| Player | G01P 15 · Velocity & acceleration | B63C 9 · Launching & salvaging vessels | B81B 7 · Microstructural devices (MEMS) | G01B 21 · Measuring length & dimensions | G01L 19 · Force & pressure measurement |
|---|---|---|---|---|---|
| InvenSense Inc | Strong · 3 | Absent | Strong · 3 | Strong · 3 | Strong · 3 |
| Shanghai Jiao Tong University | Strong · 2 | Absent | Absent | Absent | Absent |
| Suzhou Zhonghong Weiyu Technology Co., Ltd. | Absent | Strong · 2 | Absent | Absent | Absent |
| Galgotias University | Strong · 1 | Absent | Absent | Absent | Absent |
| Beijing Yundahuakai Technology Co., Ltd. | Strong · 1 | Absent | Absent | Absent | Absent |
| Lovely Professional University | Strong · 1 | Absent | Absent | Absent | Absent |
| Yang Hongyuan | Absent | Strong · 1 | Absent | Absent | Absent |
Frequently asked questions
The corpus analysed contains 14 patent families in scope. This is a small, specialist corpus, and conclusions about competitive structure should be interpreted in that context.
InvenSense Inc holds the top position with 6 patent records — the highest count of any single applicant in the ranked corpus. The next-ranked filers, Shanghai Jiao Tong University and Suzhou Zhonghong Weiyu Technology, each hold 2 patent records.
The field is assessed as being in a maturity stage. Annual filings have plateaued near their peak levels (reached in 2019 and again in 2023) without establishing a sustained upward trend. Overall recent-window growth is flat at zero percent.
China leads with 10 jurisdiction-level records, followed by the United States with 3, India with 2, and Europe (EPO) and WIPO (PCT) each with 1. The US presence is anchored primarily by InvenSense, while India’s activity stems from university filers.
Collaboration is sparse. The only identified co-filing relationship is between Zhongke Huakong Aerospace Technology (Hefei) and Zhongke Huakong Technology Anhui, which share a common institutional background and co-filed on a single record. No broader multi-party networks are evidenced in the corpus.
G01C (distance, navigation, and gyroscopes) and G01D (measuring, general, and recording) each appear with only 2 patent records in the corpus. Both have plausible technical connections to MEMS accelerometer pressure sensor applications — inertial navigation and multi-parameter condition monitoring respectively — and represent lower-competition branches for targeted new filings, subject to broader prior-art validation.
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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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