Measurement Uncertainty Patents: Who Leads, Where the Gaps Are 2026
Measurement uncertainty evaluation patents: who holds the claims and where filing has gone quiet
Concentrated but not locked. The five most active assignees hold 32.5% of the 234 records in scope, and the top ten hold 50.9% — leaving a long tail of single- and few-filing entrants. Filings peaked at 20 records in 2017. The most recent complete comparison point runs from 10 records in 2021 to 5 in 2024, a 50% decline over that three-year span — a real cooling, though the 2025–2026 figures are still filling in and should not be read as confirming a further drop.
- 1RICOH CO LTD21
- 2Q SERA17
- 3INST VOOR LANDBOUW EN VISSERIJONDERZOEK ILVO14
- 4UNIV GENT14
- 5THE GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY DEPARTMENT OF HEALTH & HUMAN SERVICES10
See the full measurement uncertainty evaluation 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 on this landscape
How many patents exist for measurement uncertainty evaluation methods?
This landscape identifies 234 published records filed between 2015 and 2026 that match search terms specific to measurement uncertainty evaluation, including type A evaluation, coverage factor, Monte Carlo propagation, input correlation and decision-rule reporting. That count reflects a targeted method-level search rather than a broad calibration keyword, so it undercounts general metrology patents that do not use these specific terms. Because publication lags filing by roughly 18 months, the 2025 and 2026 figures within that range are still incomplete.
Who are the leading patent holders in measurement uncertainty methods?
The ranked list covers 100 assignees, with the leader holding 21 of the 234 records in scope and the fifth-ranked holder at 10. The top five combined hold 32.5% of all records and the top ten hold 50.9%, which means roughly half the field is spread across a long tail of smaller filers rather than concentrated at the very top. Co-assignee activity is limited to ten identified pairs, so most filing in this space happens under a single organisation rather than joint development.
Is patent filing in this field growing or slowing?
Filing peaked at 20 records in 2017 and has not returned to that level. The most reliable recent comparison, from 2021 to 2024, shows a 50% decline, from 10 records down to 5. Figures for 2025 and 2026 are not yet complete due to normal publication lag and should not be read as confirming a further drop, but the 2021-to-2024 trend itself is a genuine slowdown.
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 Measurement Uncertainty Evaluation 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.