Optical Sensing Patents: Who Leads, Where the Gaps Are 2026
Optical Sensing Patents: Mapping Filers, Claim Density and Open Ground
Leadership is real but not locked in. the top 5 assignees hold just 10.8% of all 275,947 records in scope, and the top 10 only 16.6% — concentration without a lockout. Annual filings ran from 1,030 in 2017 to a peak of 1,330 in 2020, then declined to 718 by 2024 (down from 1,176 in 2021, a 39% drop over that three-year span). Counts for 2025 and 2026 are still incomplete because publication trails filing by roughly 18 months — read the last two bars as a floor, not a trend.
- 1LG ELECTRONICS INC2.9%
- 2SAMSUNG ELECTRONICS CO LTD2.1%
- 3APPLE INC2.0%
- 4SEMICON ENERGY LAB CO LTD1.9%
- 5CANON KK1.9%
See the full optical sensing patent landscape 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 the optical sensing patent landscape
Who holds the most optical sensing patents?
The assignee ranking behind this dataset covers 100 companies, with the leader holding 7,898 records. That leader’s share, along with the rest of the top 5, only adds up to 10.8% of the 275,947 records in scope, so no single company controls the field outright. Anyone doing competitive tracking should look at the full ranked list rather than assuming the top filer sets the terms for the whole space.
Is optical sensing patent filing growing or slowing down?
Filings rose from 1,030 in 2017 to a peak of 1,330 in 2020, then declined to 718 by 2024, a 39% drop from the 1,176 filed in 2021. That decline is measured only through 2024 because publication typically lags filing by about 18 months, which makes 2025 and 2026 figures look artificially low. Treat the recent slowdown as real through 2024, but reserve judgment on the most current years until more filings publish.
Which patent classes cover the most optical sensing filings?
The densest IPC subclass is G01N, material analysis and testing, at 1.3% of all 275,947 records, followed by H04N (pictorial communication) at 1.2% and G02B (optical elements and systems) at 1.1%. Because a single patent record can carry multiple IPC classes, these percentages overlap rather than summing to 100%, and the eight core subclasses tracked span imaging, semiconductor and diagnostic applications in addition to pure optics.
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 Optical Sensing Patent Landscape covering 2015–2026, data cut-off 2026-08-31. 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.