Wireless Power Transfer for Renewable Integration Patent Landscape
The wireless power transfer for renewable integration space is highly concentrated, with Qualcomm and the WiTricity entities collectively commanding the top positions among the hundred largest filers. The field is expanding on a multi-year basis with 73% recent growth, though annual volume has eased from its 2017 peak and the most recent filing years remain understated by publication lag.
Qualcomm and WiTricity lead a concentrated field with a strong academic tier behind them
Qualcomm holds the top-ranked position among the hundred largest filers in this space, followed closely by WiTricity AI Tech LLC and Auckland UniServices Ltd, indicating that the field is driven by a small cluster of specialist and corporate innovators rather than broad industry participation.
The top five filers account for 57% of the combined total among the hundred largest filers, a high concentration ratio that signals meaningful barriers for new entrants and significant freedom-to-operate constraints around the core inductive and resonant coupling architectures.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Qualcomm Incorporated | 130 | |
| 2 | WiTricity AI Tech LLC | 110 | |
| 3 | Auckland UniServices Ltd | 79 | |
| 4 | WiTricity Corporation | 65 | |
| 5 | Strong Force EE Portfolio 2022 LLC | 36 | |
| 6 | UT-Battelle LLC | 16 | |
| 7 | Global Energy Transmission Co | 12 | |
| 8 | Raytheon Company | 9 | |
| 9 | BOYS JOHN TALBOT | 9 | |
| 10 | University of Alabama | 9 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | GARDINER COTTRELL SALISBURY | 8 | |
| 12 | GARDINER SAMANTHA RENE | 8 | |
| 13 | Utah State University | 8 | |
| 14 | COVIC GRANT ANTHONY | 8 | |
| 15 | Hyundai Motor Company | 7 | |
| 16 | Hyundai Mobis Co Ltd | 7 | |
| 17 | Wireless Advanced Vehicle Electrification Inc | 6 | |
| 18 | ABB E-Mobility BV | 6 | |
| 19 | IBM Corporation | 6 | |
| 20 | InvertedPower Pty Ltd | 6 |
The leaders’ positions imply that any R&D entrant must navigate a dense thicket of foundational patents held primarily by Qualcomm, WiTricity Corp and its AI tech affiliate, and Auckland UniServices — the last of which bridges academic research with commercial licensing through co-inventorship relationships.
Filing counts for 2025 and 2026 are understated due to standard patent publication lag of 18–24 months and should not be read as a deceleration; the multi-year growth signal of 73% remains the more reliable indicator of field momentum.
Multi-year growth driven by EV charging and grid-integration technology, with AI emerging at the margin
The annual filing trend and technology composition charts together reveal a field that peaked in 2017, contracted through 2020, then resumed a sustained recovery through 2024, while the IPC mix shows power supply and EV propulsion as dominant classes with several adjacent branches receiving comparatively sparse attention.
Annual filing trend
Filings reached a high point in 2017 at 75 records, dropped sharply to 15 in 2020, then recovered steadily through 2022–2024. The 2025 and 2026 figures are materially understated by publication lag and should not be interpreted as a new decline; the three-year recent window is 73% above the prior comparable window.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H02J (power supply and grid systems) and B60L (electric vehicle propulsion) together account for the bulk of classified records, confirming that EV wireless charging tied to grid or renewable sources is the primary application. H02M (power conversion), H01F (magnetics and inductors), and G06N (AI models) are meaningful but secondary branches, pointing to early-stage work on converter optimization, coil design, and AI-assisted control.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Systems and methods for operating a wireless power…
Systems and methods are described herein for facilitating the switching of a power transfer direction in wireless power transfer systems. A ground unit comprises: one or more power transfer coils configured for providing wireless power transfer on an inductive power transfer frequency band; one or more positioning coils configured to emit position data… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Wireless Power Transmission | 607 |
| 2 | Wireless energy transfer and continuous radio stat… | 477 |
| 3 | Wireless power from renewable energy | 387 |
| 4 | Wireless energy transfer via coupled parasitic res… | 355 |
| 5 | Wireless power transmission | 317 |
| 6 | Wireless power from renewable energy | 299 |
| 7 | Multi power sourced electric vehicle | 281 |
| 8 | Inductively powered battery charger | 243 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the competitive structure means for R&D investment decisions
The combination of high concentration, multi-year growth, and identifiable adjacent branches creates a differentiated opportunity map: the core charging and grid-coupling space is crowded, while converter optimization, coil magnetics, and AI-driven control remain comparatively open.
Growth stage with eased annual peaks
The field is classified as Growth, supported by a 73% increase in recent three-year filings versus the prior comparable period. Annual volume peaked in 2017 and has not returned to that level, but the multi-year trajectory is positive. New entrants such as Strong Force EE Portfolio 2022 LLC and UT Battelle LLC have appeared recently, consistent with a field attracting fresh capital and institutional interest rather than one in late-stage consolidation.
Growth stageTop five hold 57% share among the hundred largest filers
The top five applicants — Qualcomm, WiTricity AI Tech LLC, Auckland UniServices, WiTricity Corp, and Strong Force EE Portfolio 2022 LLC — account for 57% of the combined patent records among the hundred largest filers. This level of concentration means core resonant and inductive coupling claims are likely encumbered, and a new entrant’s FTO analysis must prioritize these five portfolios before any design-around strategy can be scoped.
High concentrationAuckland UniServices anchors the most active co-filing relationships
The most active co-applicant pairs both involve Auckland UniServices Ltd: John Talbot Boys co-filed 11 records with Auckland UniServices, and Grant Anthony Covic co-filed 10 records with the same institution. This reflects a well-documented academic-to-commercial pathway where University of Auckland researchers coinvent with the university’s commercialization arm, making Auckland UniServices a pivotal licensing node rather than a pure defensive filer.
Academic-led collaborationUS-dominant filing with significant India and EPO coverage
The United States leads with 296 patent records, followed by India with 172 and the EPO with 115. WIPO PCT filings at 89 records indicate applicants are pursuing broad international protection. Germany, Australia, and Canada form a secondary tier. The strong India presence, driven partly by academic and engineering institution filings, is notable and may reflect both growing domestic EV adoption intent and cost-effective filing strategies.
US + India + EPOGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| BOYS JOHN TALBOT | Auckland UniServices Ltd | 11 |
| COVIC GRANT ANTHONY | Auckland UniServices Ltd | 10 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Qualcomm leads on breadth; WiTricity entities and Auckland UniServices lead on depth and resonant specialization
The top two player cards represent the single highest-ranked applicant and the most technically differentiated challenger; together they illustrate how the field splits between broad systems-level coverage and deep resonant/coil-design expertise.
Qualcomm Incorporated
Qualcomm holds 130 patent records, the largest portfolio in the ranked set. Its technology emphasis spans H02J7 (grid and charging system management), B60L11 (EV propulsion integration), and H02J5 (power supply interconnection), indicating a broad systems-level strategy that links wireless charging to both vehicle and grid infrastructure. Momentum data for Qualcomm is not separately broken out in the recent-window analysis, but its scale makes it the unavoidable FTO reference for any entrant in this space.
patent records: 130WiTricity AI Tech LLC
WiTricity AI Tech LLC holds 110 patent records and focuses on H02J7, H02J50 (wireless power transfer within grid systems), and B60L53 (EV wireless charging). Its sibling entity WiTricity Corp adds 65 patent records with a highly overlapping focus, suggesting the combined WiTricity portfolio is effectively the deepest specialized resonant-coupling position in the field. Recent momentum shows a 80% decline in filings for WiTricity Corp in the most recent window, which may reflect portfolio consolidation or a strategic shift toward licensing rather than continued prosecution.
patent records: 110| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Auckland UniServices Ltd | 4 | ▲ new entrant |
| WiTricity AI Tech LLC | 3 | ▼ -80% |
| Strong Force EE Portfolio 2022 LLC | 27 | ▲ new entrant |
| UT Battelle LLC | 9 | ▲ new entrant |
| Raytheon Company | 9 | ▲ new entrant |
Under-served branches in power conversion and AI-driven control worth monitoring
Five IPC classes sit at the lower-share end of the technology composition relative to the dominant H02J and B60L classes; two of these — H02M and G06N — combine plausible technical value with a realistic entry path for differentiated R&D.
H02M · Power Conversion (AC/DC etc.)
H02M accounts for 142 patent records, a 7% share relative to the classified record set — comparatively sparse given how central converter topology is to efficient wireless power transfer from renewable sources. Resonant converter design, impedance matching, and high-frequency switching for dynamic charging scenarios are technically adjacent and represent areas where incremental innovation may face less entrenched competition than in the core H02J charging management space. An entrant with DC/DC or DC/AC converter expertise from solar or wind power electronics could find a natural bridging position here.
Search this in Eureka →G06N · Computing Based on AI Models
G06N carries 37 patent records at a 2% share, the lowest among the five adjacent branches identified. AI-assisted optimization of coil alignment, dynamic load prediction for grid-integrated wireless chargers, and reinforcement-learning-based power flow control are technically credible applications with limited existing patent density. Strong Force EE Portfolio 2022 LLC is the primary filer here (G06N20 and G06N3 are its top two sub-classes), so the space is not entirely unoccupied, but the claim landscape remains sparse enough to warrant targeted prior-art searches before filing.
Search this in Eureka →How leading applicants differ across technology routes
Route coverage across the main technology branches in the current evidence set.
| Player | H02J 7 · Power supply & grid systems | H02J 50 · Power supply & grid systems | B60L 53 · Electric vehicle propulsion | B60L 11 · Electric vehicle propulsion | H02J 5 · Power supply & grid systems |
|---|---|---|---|---|---|
| Qualcomm Incorporated | Strong · 242 | Moderate · 88 | Emerging · 26 | Strong · 163 | Moderate · 108 |
| WiTricity AI Tech LLC | Strong · 44 | Strong · 38 | Strong · 37 | Emerging · 6 | Moderate · 14 |
| Auckland UniServices Ltd | Strong · 67 | Moderate · 18 | Emerging · 11 | Moderate · 17 | Emerging · 12 |
| BOYS JOHN TALBOT | Strong · 18 | Moderate · 5 | Moderate · 4 | Moderate · 7 | Moderate · 7 |
| UT Battelle LLC | Strong · 12 | Strong · 14 | Strong · 14 | Absent | Absent |
| COVIC GRANT ANTHONY | Strong · 17 | Absent | Absent | Moderate · 6 | Moderate · 7 |
| Global Energy Transmission Co | Strong · 12 | Strong · 12 | Absent | Absent | Absent |
Frequently asked questions
The corpus analyzed contains 447 patent families in scope, representing the global landscape for this technology as captured in the evidence base.
Qualcomm Incorporated leads with 130 patent records among the hundred largest filers, ahead of WiTricity AI Tech LLC at 110 and Auckland UniServices Ltd at 79.
Yes, on a multi-year basis: recent three-year filings are 73% above the prior comparable window, indicating the field is still in a growth phase. Annual volume peaked in 2017 and has not returned to that level, and the most recent years (2025–2026) are further understated by publication lag of 18–24 months.
The United States leads with 296 patent records, followed by India at 172, the EPO at 115, and WIPO PCT at 89. Germany, Australia, and Canada form a secondary tier. These counts are at the patent-record level and a single family can appear in multiple jurisdictions.
The strongest co-applicant pairs both involve Auckland UniServices Ltd: John Talbot Boys co-filed 11 records with Auckland UniServices, and Grant Anthony Covic co-filed 10 records with the same institution, reflecting a long-running academic-commercial collaboration from the University of Auckland research group.
H02M (power conversion, AC/DC) and G06N (AI models for control and optimization) are the two branches with both plausible technical relevance and comparatively sparse patent density relative to the dominant H02J and B60L classes. H02M holds 142 patent records and G06N holds 37 — both are well below the core classes in share, suggesting room for differentiated filing strategies.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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