Occupant Detection Patents: Who Leads, Where the Gaps Are 2026
Occupant Detection and Seat Sensing Patents: Concentration at the Top, Cooling Filings Since 2017
61.7% of all 1,045 records sit with just five assignees, so freedom-to-operate searches in this field start narrow whether you like it or not. Filings ran at 53 in 2017, the peak of the series, then eased through the following years to 31 in 2021 and 8 in 2024 — a 74% drop over that three-year span. 2025 and 2026 figures are still incomplete because publication typically lags filing by about 18 months, so the true recent-year picture is understated in the raw counts.
- 1IEE INT ELECTRONICS & ENG SA356
- 2JOYSON SAFETY SYSTEMS ACQUISITION LLC95
- 3AUTOMOTIVE SYSTEMS LABORATORY INC81
- 4TK HOLDINGS INC64
- 5ELESYS NORTH AMERICA49
See the full occupant detection and seat sensing 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 occupant detection and seat sensing patents
Who holds the most patents in occupant detection and seat sensing?
The ranking of 100 companies is led by a single assignee holding 356 of the 1,045 records in scope, well ahead of the fifth-ranked company at 49 and the tenth at 26. The top five combined account for 61.7% of all records, so a small group of legacy automotive-safety suppliers controls most of the claim space. Any competitive review should start with that group before widening to the long tail of single- or few-filing entrants.
Is occupant detection and seat sensing still an active area for new patent filings?
Annual filings peaked at 53 in 2017 and had declined to 8 by 2024, a 74% fall from the 31 filed in 2021. That is a genuine slowdown in raw filing volume, though 2025 and 2026 counts are still incomplete because publication typically lags filing by about 18 months. The decline is more consistent with a well-claimed core than with a technology going out of use, since regulatory scrutiny of occupant misclassification remains a live driver.
What patent classes matter most for occupant detection and seat sensing?
B60R (vehicles, parts and accessories) and B60N (vehicle seats and interior) are the two dominant classes, covering 58.1% and 49.9% of the 1,045 records respectively. Measurement and circuit-logic classes such as G01V, G01R and H03K each appear on roughly 10-13% of records, reflecting the sensor and signal-processing side of these systems. Radar-based positioning (G01S) and lighting-integration (B60Q) are comparatively thin, each under 7%, which is where less-crowded claim language tends to sit.
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 Occupant Detection and Seat Sensing 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.