Magnetic Field Sensor Patent Landscape 2026
Magnetic Field Sensor Patent Landscape in 2026
The magnetic field sensor patent space encompasses 4,224 patent families and is led by InterDigital Patent Holdings, whose positioning signals heavy concentration at the top tier. Annual filing volume peaked in 2021 and has eased since, placing the field in a declining phase that nonetheless leaves adjacent branches in material analysis, wireless networks, and medical diagnostics relatively under-served.
InterDigital leads a moderately concentrated field with a clear tier gap
InterDigital. Patent Holdings holds the top position with 280 patent families, more than twice the count of the nearest challenger, Ford Global Technologies at 121 families, establishing a pronounced lead over the rest of the field.
The top five filers — InterDigital, Ford, Qualcomm, Precision Planting, and JENTEK Sensors — together account for 20% of the combined output of the hundred largest filers, indicating moderate concentration with meaningful competition below the leader.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | InterDigital Patent Holdings Inc | 280 | |
| 2 | Ford Global Technologies LLC | 121 | |
| 3 | Qualcomm Inc | 119 | |
| 4 | Precision Planting LLC | 116 | |
| 5 | JENTEK Sensors Inc | 97 | |
| 6 | Koninklijke Philips N.V. | 85 | |
| 7 | Halliburton Energy Services Inc | 84 | |
| 8 | Meso Scale Technologies LLC | 83 | |
| 9 | Beckman Coulter Inc | 78 | |
| 10 | Digital Global Systems Inc | 68 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Middle Chart LLC | 61 | |
| 12 | Perimetrics LLC | 57 | |
| 13 | Zoox Inc | 54 | |
| 14 | trinamiX GmbH | 53 | |
| 15 | Cilag GmbH International | 53 | |
| 16 | Siemens Healthcare Diagnostics Inc | 50 | |
| 17 | Quantum IP Holdings Pty Ltd | 49 | |
| 18 | Gen-Probe Inc | 48 | |
| 19 | Redcoat Solutions Inc | 48 | |
| 20 | Apple Inc | 46 |
InterDigital’s dominant share, rooted in radar, sonar, and positioning technologies alongside wireless network applications, signals a platform-IP posture that could affect licensing costs for entrants whose products touch those sub-domains.
Filing counts for 2024 and especially 2025–2026 are subject to publication lag and should be treated as provisional minimums rather than final totals. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing volume has eased from its 2021 peak; material analysis dominates the technology mix
Two charts together reveal both the pace of activity and where technical effort is concentrated: the annual trend shows a field past its peak, while the IPC composition shows a dominant cluster in physical measurement and a long tail of adjacent applications.
Annual filing trend
Annual filings climbed to a peak of 550 patent families in 2021 and have trended downward since; 2023 recorded 416 and 2024 recorded 400. Figures for 2025 and 2026 are materially under-counted due to publication lag and must not be read as a structural decline beyond the already-observed easing.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G01N (Material analysis and testing) is the commanding branch with 5,755 records, followed by G01S (Radar, sonar and positioning) at 2,847 and G01R (Electric and magnetic measurement) at 1,203. Beyond these three, the distribution spreads across wireless communications, medical diagnosis, navigation, and lab apparatus, each contributing at the 600–650 record level — pointing to a genuinely multi-sector application base.
↗ 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.
Magnetic field sensor and method used in a magneti…
A magnetic field sensor and a method associated with the magnetic field sensor provide gain correction coefficients and/or offset correction coefficients stored in the magnetic field sensor in digital form. The gain correction coefficients and/or offset correction coefficients can be used to generate analog control signals to control a sensitivity and/or an… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Asset system control arrangement and method | 1,776 |
| 2 | Sterile field interactive control displays | 1,445 |
| 3 | Position location system | 1,271 |
| 4 | Display of alignment of staple cartridge to prior … | 1,128 |
| 5 | Characterization of tissue irregularities through … | 1,115 |
| 6 | Device for quantitatively measuring the relative p… | 997 |
| 7 | Magnetic location system with feedback adjustment … | 953 |
| 8 | Medical navigation apparatus | 921 |
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 prioritization
The combination of a post-peak filing trend, a moderately concentrated leader board, and a broad application footprint creates distinct strategic implications across maturity, concentration, collaboration, and geography.
Field is in decline after a 2021 peak
The lifecycle stage is classified as Decline, with annual filings easing back from the 2021 peak of 550 patent families. This suggests the foundational IP layer is largely established, and incremental filings are consolidating rather than exploring new ground. R&D teams entering now should expect a well-staked landscape in core sensing physics and should focus differentiation on application-specific sub-domains.
Lifecycle: DeclineModerate concentration with a wide second tier
The top five filers hold 20% of the output among the hundred largest filers, leaving 80% distributed across a broad second tier that includes Koninklijke Philips, Halliburton, Meso Scale Tech, and Beckman Coulter. This structure means no single entity dominates to the degree seen in semiconductor foundry IP, and challengers retain viable freedom to operate in many sub-domains. The gap between InterDigital at 280 patent families and the second-ranked applicant at 121 is nonetheless significant and warrants freedom-to-operate review in positioning and wireless sub-classes.
Concentration: ModerateMinimal co-filing activity observed
Only one co-filing relationship is recorded in the evidence: Koninklijke Philips and its U.S. affiliate Philips North America, with a single joint filing. This near-absence of cross-entity collaboration suggests the field operates primarily through independent IP strategies rather than consortium or joint-development models. Teams considering partnership structures will find little precedent to benchmark against but also less entrenched alliance blocking.
Collaboration: LowHeavily US-centric with European and PCT secondary presence
The United States is the dominant filing jurisdiction with 3,731 records, followed by Europe via the EPO at 1,344 and WIPO PCT at 907. Canada and Australia form a meaningful secondary tier. China, despite its global manufacturing relevance in sensor hardware, appears at 209 records, and Japan at 197 — a notable underrepresentation relative to those countries’ sensor industry footprints that may reflect portfolio-filing strategy rather than absence of activity.
Geography: US-dominantGo 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 |
|---|---|---|
| Koninklijke Philips N.V. | Philips North America LLC | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
InterDigital anchors positioning IP; JENTEK leads in materials-testing sensing
The leader board splits between platform-IP holders concentrated in wireless positioning and application-specific specialists in materials analysis and diagnostics. Momentum signals diverge sharply across the top applicants.
InterDigital Patent Holdings
InterDigital leads with 280 patent families, concentrated in G01S (radar, sonar and positioning) and H04W (wireless communication networks), reflecting a platform-licensing posture rather than a product-oriented portfolio. Its recent-period momentum is striking — 173 families filed in the recent window, a trend recorded as 12× the prior three-year rate — though such a large multiplier from a prior-period base warrants scrutiny of the filing timeline before extrapolating growth.
families: 280JENTEK Sensors
JENTEK Sensors holds 97 patent families and is the clearest momentum story among the application-specific challengers, with a recent-period trend of +94% versus the prior three-year period. Its technology emphasis centers on G01N 27 (electrochemical and magnetic material analysis) and G01R 33 (magnetic measurement), making it the most focused pure-play magnetic sensing specialist in the top tier. At 31 families in the recent window, it is expanding into what is otherwise a contracting filing environment.
families: 97| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| InterDigital Patent Holdings Inc | 173 | ▲ 12× vs prior 3-yr |
| Qualcomm Inc | 25 | ▬ +4% |
| Ford Global Technologies LLC | 1 | ▼ -92% |
| Precision Planting LLC | 40 | ▼ -33% |
| Koninklijke Philips N.V. | 3 | ▲ new entrant |
| JENTEK Sensors Inc | 31 | ▲ +94% |
| Halliburton Energy Services Inc | 9 | ▲ new entrant |
| Beckman Coulter Inc | 1 | ▲ new entrant |
Under-served adjacent branches worth monitoring
The evidence identifies five IPC branches with lower relative share alongside the dominant G01N cluster. Two stand out for their combination of plausible technical connection to magnetic sensing and realistic entry paths for teams already active in the core domain.
G01R · Electric & Magnetic Measurement
With 1,203 records and a 5% share among the identified adjacent branches, G01R — covering direct electric and magnetic measurement instrumentation — is sparse relative to the volume of sensing activity classified under G01N and G01S. Teams developing next-generation magnetometer hardware or calibration systems could find comparatively open ground here. JENTEK Sensors and Koninklijke Philips already hold positions in G01R 33, so the sub-class is not empty, but the overall branch remains thin for the field’s maturity level. An entry path exists for applicants with novel transduction materials or readout electronics.
Search this in Eureka →G01C · Distance, Navigation & Gyroscopes
G01C appears at 614 records and a 3% share, covering inertial and magnetic-assisted navigation. As magnetic field sensors increasingly integrate with MEMS gyroscopes and accelerometers in sensor-fusion architectures, this branch represents a technically adjacent area where dedicated magnetic-inertial fusion IP is sparse. The dominant players in the core corpus — InterDigital and Qualcomm — are more heavily committed to G01S positioning than G01C navigation, leaving room for entrants focused on dead-reckoning, indoor navigation, or autonomous vehicle heading systems to build defensible positions.
Search this in Eureka →How leaders differ by technology route
Strength of each leader across the main technology routes.
| Player | G01N 27 · Material analysis & testing | G01N 33 · Material analysis & testing | G01R 33 · Electric & magnetic measurement | G01S 5 · Radar, sonar & positioning | G01N 35 · Material analysis & testing |
|---|---|---|---|---|---|
| InterDigital Patent Holdings Inc | Absent | Absent | Absent | Strong · 173 | Absent |
| Koninklijke Philips N.V. | Moderate · 27 | Strong · 64 | Strong · 50 | Absent | Absent |
| Precision Planting LLC | Absent | Strong · 75 | Absent | Absent | Strong · 60 |
| Meso Scale Technologies LLC | Strong · 54 | Absent | Absent | Absent | Strong · 72 |
| JENTEK Sensors Inc | Strong · 92 | Absent | Emerging · 15 | Absent | Absent |
| Quantum IP Holdings Pty Ltd | Strong · 35 | Strong · 30 | Strong · 21 | Absent | Absent |
| Ford Global Technologies LLC | Strong · 37 | Strong · 37 | Absent | Absent | Absent |
Frequently asked questions
The corpus covers 4,224 patent families. Filing counts for the most recent 18–24 months are subject to publication lag and should be treated as provisional minimums.
InterDigital Patent Holdings leads with 280 patent families, more than double the second-ranked applicant, Ford Global Technologies at 121 families. InterDigital’s portfolio is concentrated in radar/sonar positioning and wireless communication network sub-classes.
The field is classified as Decline. Annual filings peaked at 550 patent families in 2021 and have eased since, recording 479 in 2022, 416 in 2023, and 400 in 2024. The multi-year corpus remains substantial, but the annual rate of new filings is contracting.
G01N (Material analysis and testing) dominates with 5,755 records, followed by G01S (Radar, sonar and positioning) at 2,847 and G01R (Electric and magnetic measurement) at 1,203. Medical diagnosis, wireless networks, navigation, and lab apparatus each contribute at the 600-record level.
The United States is by far the primary jurisdiction with 3,731 records. Europe via the EPO is second at 1,344, followed by WIPO PCT filings at 907. Canada and Australia form a meaningful secondary tier, while China and Japan each appear below 210 records.
InterDigital Patent Holdings shows the strongest recent momentum with 173 families in the recent window, recorded as 12× the prior three-year rate. JENTEK Sensors is the most notable among challengers, with a +94% trend versus the prior period. By contrast, Ford Global Technologies shows a sharp decline of -92% in recent filings.
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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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