Sensor Calibration Patents: Who Leads, Where the Gaps Are 2026
Sensor Calibration and Traceability Patents
38.1% concentration. The five leading assignees together hold 209 of 549 records in scope — a real concentration at the top, but well short of a monopoly on the field. Filings rose from 27 in 2017 to a peak of 77 in 2018, then settled into a lower band — 22 in 2021 and 19 in 2024, a 14% decline over that three-year window. Treat 2025 and 2026 figures as undercounted rather than as evidence of a further drop, since publication lags filing by roughly 18 months.
- 1MEDTRONIC MINIMED INC120
- 2SMARTWASH SOLUTIONS LLC38
- 3COMMONWEALTH SCI & IND RES ORG18
- 4UNIV OF MASSACHUSETTS17
- 5VARIABLE INC16
See the full sensor calibration and traceability analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions about sensor calibration patents
How concentrated is the sensor calibration and traceability patent field?
It is moderately concentrated: the five leading assignees hold 38.1% of the 549 records in scope, and the top ten hold 49.9%. That leaves roughly half the field spread across a long tail of assignees with far fewer filings each. A newcomer is not up against one dominant player everywhere — the concentration is strongest in specific sub-areas like diagnostic sensor calibration, and much thinner elsewhere.
Is filing activity in sensor calibration patents growing or shrinking?
Filings peaked in 2018 at 77 records, then settled to 22 in 2021 and 19 in 2024, a 14% decline over that three-year window. That is a plateau after an early surge, not a field in retreat — sustained filings in the high teens through 2024 show continued activity. The 2025 and 2026 counts in the raw data will look lower still, but that reflects publication lag of roughly 18 months rather than a real drop-off.
Which patent classes cover the most sensor calibration claims?
A61B, diagnosis and surgery, covers 36.4% of the 549 records and is the single largest class, followed by G01N, material analysis and testing, at 23.5%. Measuring and recording (G01D), pressure and force measurement (G01L), and healthcare informatics (G16H) each cover smaller but meaningful shares. Because a single record can carry multiple IPC classes, these percentages add up to more than 100% and should not be treated as mutually exclusive categories.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Sensor Calibration and Traceability covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.