Dynamic wireless charging for roadways: patents mapped from first filings to 2026
A small, concentrated field. 23 published families sit behind this search, with one assignee already at 6 filings and a long tail of single-filing entrants below it. Publications moved from 0 in 2017 to a peak of 10 in 2023. Between 2021 (6) and 2024 (3), the last year that can be treated as complete, volume fell 50%. Because publication lags filing by roughly 18 months, 2025 and 2026 are still filling in and should not be read as a continued decline.
- 1HYUNDAI MOTOR CO LTD6
- 2CLEAN TRAIN PROPULSION5
- 3KIA CORPORATION4
- 4KAI MOTOR CORP2
- 5ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD2
See the full dynamic wireless charging for roadways 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 patent families exist for dynamic wireless charging of roadways?
This dataset contains 23 published patent families matching the dynamic wireless power transfer search scope, covering filings from 2015 through the 2026 data cut-off. That is a small field compared to adjacent areas like stationary EV wireless charging, which reflects how early-stage road-embedded dynamic charging still is. Because publication lags filing by around 18 months, the most recent one to two years are undercounted and the true filing total for 2025 and 2026 will grow as more applications publish.
Who are the leading patent filers in dynamic wireless power transfer?
The ranking of 29 companies is led by an automotive OEM with 6 filings, with the fifth-ranked filer holding 2 and most of the remaining assignees holding just one filing each. This pattern — one leader and a long tail — is typical of a technology still in its exploratory phase rather than one with an established dominant player. University and grid-research groups also appear in the ranking, often filing jointly with a research-institute partner.
Is patent filing in dynamic wireless charging for roads growing or slowing down?
Filings rose from effectively nothing in 2017 to a peak of 10 published records in 2023, then fell to 3 by 2024 — a 50% drop over the 2021-to-2024 span. However, 2024 is the most recent year that can be treated as complete; publication trails filing by roughly 18 months, so the lower counts in 2025 and 2026 in this dataset reflect a reporting lag, not necessarily a genuine slowdown in actual filing activity.
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 Dynamic Wireless Charging for Roadways 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.