Vehicle to Grid Patents: Who Leads, Where the Gaps Are 2026
Vehicle to Grid and Charging Communication Patents: Mapping Who Files, Where and What's Still Open
39.0% of all 372 records sit with just five assignees, while a long tail of single- and few-filing entrants fills out the remaining ranked leaders. Filings ran from 31 in 2017 to a peak of 44 in 2022, then continued at a high level; 2021 to 2024 grew 17%, the most recent span that can be treated as complete given publication lag. 2025 and 2026 figures will fill in as more records publish.
- 1HYUNDAI MOTOR CO LTD38
- 2KIA CORPORATION36
- 3MYONGJI UNIV IND & ACAD COOPERATION FOUND26
- 4HONDA MOTOR CO LTD23
- 5HYUNDAI MOBIS CO LTD22
See the full vehicle to grid and charging communication 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 holds the most vehicle-to-grid and charging communication patents?
The leading assignee in this dataset holds 38 of the 372 records in scope, with a clear drop to 22 at fifth place and 12 at tenth place. The top five assignees combined hold 39.0% of all records, and the top ten hold 59.9%, so the field has a genuine leader plus several strong followers rather than an even spread. Automakers and their affiliated university research foundations account for much of this concentration, often appearing together as co-assignees on the same filings.
Is patent filing in vehicle-to-grid technology growing or slowing down?
Filings grew 17% from 2021 to 2024, the most recent year that can be treated as complete once publication lag is accounted for. Apparent declines in 2025 and 2026 numbers reflect the roughly 18-month gap between filing and publication rather than a real slowdown. The peak year on record so far is 2022 with 44 filings, and later years are likely to revise upward as more records publish.
What patent classes cover vehicle-to-grid and charging protocol technology?
B60L (electric vehicle propulsion) covers 63.7% of the 372 records and H02J (power supply and grid systems) covers 53.2%, making this primarily a power-electronics field. Communication-specific classes are thinner: H04L digital transmission reaches 11.0% of records and H04W wireless networking reaches 4.6%. Because a single record can carry multiple IPC classes, these shares add up to more than 100% and should be read against the full record count, not against each other.
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 Vehicle to Grid and Charging Communication 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.