MEMS Pressure Sensor (Standalone) Patent Landscape
The standalone MEMS pressure sensor patent space is moderately concentrated, with Rosemount Aerospace leading a field that also includes automotive, semiconductor, and specialist sensor firms. The field is expanding on a multi-year basis, though annual volume has eased from its 2023 peak and the most recent years are further understated by publication lag.
Rosemount Aerospace leads a moderately concentrated field with a clear tier gap
Rosemount Aerospace holds the top position in standalone MEMS pressure sensor patenting, followed by Sensata Technologies and Memsen Electronics. The top five filers account for one-third of the combined output of the hundred largest filers, signaling meaningful but not overwhelming concentration.
A two-tier structure is visible: Rosemount Aerospace and Sensata Technologies hold a measurable lead over the mid-tier cluster of Memsen Electronics, AMS International, and Vitesco Technologies USA. Below that, firms such as Robert Bosch, Infineon Technologies, and STMicroelectronics each hold double-digit patent records, keeping the competitive field broad.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Rosemount Aerospace Inc | 26 | |
| 2 | Sensata Technologies Inc | 20 | |
| 3 | Memsen Electronics | 17 | |
| 4 | AMS International AG | 16 | |
| 5 | Vitesco Technologies USA LLC | 14 | |
| 6 | Robert Bosch GmbH | 12 | |
| 7 | Infineon Technologies AG | 12 | |
| 8 | STMicroelectronics International NV | 8 | |
| 9 | Honeywell International Inc | 7 | |
| 10 | ACT Medical Service | 7 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Wisconsin Alumni Research Foundation | 6 | |
| 12 | Semiconductor Manufacturing International (Shanghai) Corporation | 6 | |
| 13 | California Institute of Technology | 5 | |
| 14 | North Star Innovations | 4 | |
| 15 | Wuhan FineMEMS Inc | 4 | |
| 16 | Nguyen Tom T | 4 | |
| 17 | NXP USA Inc | 4 | |
| 18 | Continental Automotive Systems Inc | 4 | |
| 19 | Zhejiang Dunan Artificial Environment Co Ltd | 4 | |
| 20 | Hangzhou Microimage Intelligent Control Technology Co Ltd | 3 |
The leaders’ positions reflect sustained investment across core pressure-measurement and MEMS-microstructure branches, suggesting that maintaining or expanding share will require differentiation in manufacturing process or application-specific integration rather than volume alone.
Filing counts for 2024 and 2025 are incomplete due to patent publication lag of 18–24 months and should not be interpreted as a slowdown. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Multi-year growth with a 2023 filing peak; G01L dominates the technology mix
The annual filing trend and the technology branch composition together reveal a field still in active expansion but increasingly maturing around core pressure-measurement patents, with secondary clusters in MEMS fabrication and semiconductor device integration.
Annual filing trend
Activity rose from a 2017–2019 baseline, dipped in 2020, recovered strongly to a 2023 peak of 21 patent records, and then moderated. The 2024 and 2025 figures are understated due to publication lag and do not represent a genuine trend reversal. The overall recent three-year window sits 30% above the prior three-year window, confirming net multi-year growth.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G01L (force and pressure measurement) is the dominant branch by a wide margin, reflecting the core sensing function. B81B (microstructural MEMS devices) and B81C (MEMS manufacturing) form a substantial secondary layer, indicating that structural design and fabrication process innovation are active sub-fields. H01L and H10D (semiconductor devices) appear as smaller but notable adjacent branches, pointing to integration with standard semiconductor platforms.
↗ 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.
MEMS pressure sensor and manufacturing method ther…
A Micro Electromechanical System (MEMS) pressure sensor may include a first substrate provided with a sensitive diaphragm of a piezoresistive pressure sensing unit, an electrical connecting diffusion layer and a first bonding layer on a surface of the first substrate; and a second substrate provided with an inter-conductor dielectric layer, a conductor… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Micromachined capacitive RF pressure sensor | 104 |
| 2 | Integrated MEMS pressure sensor with mechanical el… | 94 |
| 3 | Method of forming micromachined sealed capacitive … | 87 |
| 4 | Sealed capacitive pressure sensors | 79 |
| 5 | MEMS电容性压力传感器、操作方法和制造方法 | 71 |
| 6 | MEMS capacitive pressure sensor, operating method … | 59 |
| 7 | Microelectromechanical systems (MEMS) pressure sen… | 57 |
| 8 | MEMS压力传感器及其制作方法 | 52 |
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
The landscape’s growth stage, moderate concentration, sparse collaboration, and US-led jurisdiction profile each carry practical implications for teams evaluating entry, partnership, or freedom-to-operate strategy.
Growth stage with annual volume eased from 2023 peak
The field is classified as Growth: the recent three-year filing window sits 30% above the prior three-year window. Annual volume, however, has moderated from its 2023 peak of 21 patent records, suggesting the easiest whitespace is narrowing even as the market expands. Teams entering now will encounter an increasingly defined patent thicket in core G01L pressure-measurement claims.
Lifecycle: GrowthTwo-tier field with a navigable mid-tier entry zone
The top five filers hold 33% of the combined output of the hundred largest filers, leaving substantial room for mid-tier challengers. The gap between the top two (Rosemount Aerospace and Sensata Technologies) and the next tier is visible but not prohibitive. Automotive suppliers such as Vitesco Technologies USA and Continental Automotive Systems, and semiconductor specialists such as Infineon Technologies and STMicroelectronics, demonstrate that cross-sector positioning is a viable competitive strategy.
Moderate concentrationNo co-applicant filing activity detected in this corpus
The collaboration evidence is pending: no co-applicant filings appear in this dataset. This absence suggests that standalone MEMS pressure sensor innovation is currently pursued through internal R&D pipelines rather than joint-development agreements. For new entrants, the lack of established consortium IP could lower barriers to bilateral licensing or partnership formation.
Collaboration: sparseUS leads filings; China and EPO are significant secondary venues
The United States is the primary filing jurisdiction, followed by China and the European Patent Office. WIPO PCT and Japan represent smaller but meaningful protection footprints. The presence of Chinese applicants such as Memsen Electronics, Semicon Manufacturing International (Shanghai), and Wuhan FineMEMS alongside US and European incumbents indicates a genuinely global competitive front. Teams should ensure freedom-to-operate analysis covers all three major blocs.
US · CN · EPO triangleGo 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.
Co-filing pairs, ranked by the number of jointly-filed patent families.
Rosemount Aerospace and Sensata Technologies lead; both are new entrants on recent momentum
The two leading filers differ in their technology emphasis: Rosemount Aerospace focuses tightly on pressure-measurement subclasses, while Sensata Technologies extends into solid-state device integration alongside the core sensing branch.
Rosemount Aerospace Inc
Rosemount Aerospace holds the top position with 26 patent records, concentrated across G01L pressure-measurement subclasses including G01L 9, G01L 19, and G01L 13. This narrow, deep focus indicates a strategy of building dense claim coverage around the core sensing function rather than diversifying into MEMS fabrication processes. Momentum data marks them as a new entrant on the recent activity window, suggesting their portfolio is comparatively recent in build.
patent records: 26Sensata Technologies Inc
Sensata Technologies holds 20 patent records and extends its coverage beyond G01L 9 and G01L 19 into H10N 30 (other electric solid-state devices), differentiating it from purely pressure-focused rivals. Like the leader, momentum data identifies Sensata as a new entrant on the recent activity window, implying rapid recent portfolio build-up from a smaller prior base. This trajectory, combined with its solid-state device reach, positions Sensata as a credible challenger for application-specific integration opportunities.
patent records: 20| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Sensata Technologies Inc | 3 | ▲ new entrant |
| Infineon Technologies AG | 1 | ▲ new entrant |
Under-served branches in semiconductor integration and medical sensing worth monitoring
Several IPC branches adjacent to the dominant G01L and B81B core are sparsely populated relative to their technical relevance, representing areas where new IP could face less incumbent resistance.
A61B · Diagnosis & surgery (medical sensing)
With only 7 patent records and a 1% share among classified branches, the medical sensing branch is sparse despite the well-established demand for implantable and wearable MEMS pressure sensors in cardiovascular monitoring and intracranial pressure measurement. The technical pathway—miniaturized, biocompatible piezoresistive or capacitive MEMS structures—is directly adjacent to existing core G01L competencies. Entry would require integration of biocompatibility and hermeticity requirements not covered by the dominant aerospace and automotive portfolios.
Search this in Eureka →H01L · Semiconductor device integration
H01L holds 24 patent records at a 4% branch share, making it the largest of the under-served adjacent classes. MEMS pressure sensors integrated monolithically with CMOS readout circuitry on a single die represent a technically valuable and commercially active product category, yet patent density here remains low relative to the core sensing branches. Semiconductor foundries and fabless design houses with existing CMOS IP have a plausible entry path by extending standard process flows to incorporate MEMS pressure membranes.
Search this in Eureka →How leaders differ across technology routes: pressure measurement vs. MEMS fabrication vs. semiconductor integration
Route coverage across the main technology branches in the current evidence set.
| Player | G01L 9 · Force & pressure measurement | G01L 19 · Force & pressure measurement | B81C 1 · MEMS manufacturing | B81B 3 · Microstructural devices (MEMS) | B81B 7 · Microstructural devices (MEMS) |
|---|---|---|---|---|---|
| Rosemount Aerospace Inc | Strong · 18 | Strong · 11 | Moderate · 5 | Emerging · 3 | Moderate · 4 |
| Sensata Technologies Inc | Strong · 15 | Strong · 12 | Absent | Emerging · 3 | Absent |
| Memsen Electronics (Tianjin) Co Ltd | Strong · 12 | Absent | Moderate · 6 | Moderate · 5 | Moderate · 4 |
| Robert Bosch GmbH | Strong · 10 | Moderate · 3 | Strong · 8 | Moderate · 5 | Absent |
| NXP Semiconductors NV | Strong · 14 | Strong · 8 | Moderate · 3 | Absent | Absent |
| Continental Automotive Systems Inc | Strong · 13 | Strong · 7 | Absent | Moderate · 3 | Emerging · 2 |
| STMicroelectronics NV | Strong · 8 | Absent | Strong · 6 | Moderate · 4 | Strong · 5 |
Frequently asked questions
Rosemount Aerospace Inc leads with 26 patent records, followed by Sensata Technologies Inc with 20 and Memsen Electronics with 17, based on the applicant ranking in this dataset.
The field is classified as Growth: the recent three-year filing window is 30% above the prior three-year window. Annual volume has eased from its 2023 peak, and the most recent years are additionally understated by publication lag, so the moderation should not be read as decline.
The United States leads with 113 patent records, followed by China with 63 and the European Patent Office with 51. WIPO PCT (18) and Japan (10) represent smaller but meaningful protection footprints.
G01L (force and pressure measurement) is the dominant branch by a wide margin. B81B (microstructural MEMS devices) and B81C (MEMS manufacturing) form the main secondary layer, with H01L and H10D (semiconductor devices) as notable adjacent branches.
No co-applicant filings appear in this dataset. Innovation in standalone MEMS pressure sensors appears to be driven predominantly through internal R&D rather than joint-development agreements.
The sparsest branches adjacent to the dominant core are A61B (diagnosis and surgery, 7 patent records) and H01L (semiconductor device integration, 24 patent records). Both have plausible technical entry paths from existing MEMS competencies but remain underexplored relative to their commercial relevance. These represent under-served adjacent branches rather than validated market opportunities.
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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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