Traction Inverter Power Stage Patents: Leaders & White Space 2026
Traction inverter power stage integration patents: who leads and where the claim space is still open
Concentrated but not locked up. the top 5 of 56 ranked assignees hold 37.9% of all 232 records, and the top 10 hold 56.9% — leaving a long tail of single- and few-filing entrants. Filings rose from 2 in 2017 to a peak of 44 in 2021, then eased to 40 by 2024 — a -9% change across that three-year window. 2025 and 2026 figures are still incomplete under normal publication lag and should not be read as a decline.
- 1FORD GLOBAL TECH LLC22
- 2PRODRIVE TECH INNOVATION SERVICES BV18
- 3THE TRUSTEES OF COLUMBIA UNIV IN THE CITY OF NEW YORK17
- 4TEXAS INSTRUMENTS INC16
- 5MATTER MOTOR WORKS PTE LTD15
See the full traction inverter power stage integration 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 this landscape
Who are the leading patent filers in traction inverter power stage integration?
The assignee ranking covers 56 companies across automotive OEMs, power semiconductor suppliers, rail and industrial equipment makers, and at least one university group. The leading assignee holds 22 of the 232 records in scope, well ahead of the fifth-placed filer at 15 and the tenth-placed filer at 8. The top 5 combined account for 37.9% of all records and the top 10 for 56.9%, meaning close to half the field is still held by smaller, less concentrated filers.
Is filing activity in this field growing or slowing down?
Filing rose from 2 records in 2017 to a peak of 44 in 2021, then eased slightly to 40 by 2024, a -9% change across that span. Because patent publication typically lags filing by about 18 months, the lower counts shown for 2025 and 2026 are incomplete rather than a genuine drop-off. Treat 2024 as the most recent year with a reasonably complete picture.
What patent classes cover traction inverter power stage integration?
H02M, the power conversion class, appears on 56.5% of the 232 records, and B60L, electric vehicle propulsion, appears on 45.7% — together these confirm the core subject matter. H02J (power supply and grid systems) and H02P (motor and generator control) follow at lower shares, while H05K, H03K, B60R and G01R each cover less than 10% of records, pointing to comparatively lighter claim density around circuit board assembly, pulse logic, vehicle accessories and measurement instrumentation.
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 Traction Inverter Power Stage Integration 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.