EV Powertrain Battery Pack Integration Patent Landscape
Electric Vehicle Powertrain Battery Pack Integration Patent Landscape in 2026
The corpus of 11 patent families is highly fragmented, with no single filer commanding a dominant share and activity plateaued near its 2022 peak. Mitsubishi Electric Mobility Corp and Pukyong National University lead on patent records, but the field remains open to new entrants given the thin incumbent base.
Fragmented field with academic and industrial co-leaders
Mitsubishi Electric Mobility Corp and Pukyong National University Industry-Academic Cooperation Foundation jointly top the applicant ranking, each holding 2 patent records — the highest individual totals in this nascent corpus.
The top five filers account for 41% of the combined output of the hundred largest filers, indicating moderate-to-low concentration for a field of this size; no single incumbent has locked down the technology space.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Mitsubishi Electric Mobility Corp | 2 | |
| 2 | Pukyong National University Industry-Academic Cooperation Foundation | 2 | |
| 3 | Mitsubishi Electric Corporation | 1 | |
| 4 | DR P SURESH KUMAR | 1 | |
| 5 | Pukyong National University | 1 | |
| 6 | Dyson Technology Ltd | 1 | |
| 7 | DR K ARUN | 1 | |
| 8 | Zero Electric LLC | 1 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 9 | DR V R MURUGANANTHAM | 1 | |
| 10 | K LAKSHMI KISHORE | 1 | |
| 11 | VATANDOUST GHADIKOLIY ABDOL MR | 1 | |
| 12 | R ASHOK GANDHI | 1 | |
| 13 | MR CHETAN N MADIVALAR | 1 | |
| 14 | MR U PRADEEP KUMAR | 1 | |
| 15 | Ford Global Technologies LLC | 1 |
The presence of both a commercial mobility spin-off (Mitsubishi Electric Mobility Corp) and a Korean university foundation at the top signals that academic research is shaping early claim boundaries alongside industry, leaving room for industrial players to build on or design around existing filings.
Activity in the most recent periods should be read with caution, as publication lag typically causes the last 18–24 months to appear under-counted relative to actual filing volume. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity peaked in 2022; propulsion electronics dominate the technology mix
The annual filing trend and IPC class breakdown together reveal a field that saw its clearest burst of activity around 2022 and is now plateaued, with electric vehicle propulsion (B60L) accounting for the largest share of classified records.
Annual filing trend
Filings were negligible before 2020, rose to a local high of 4 records in 2022, then fell back. Zero counts in 2023–2025 almost certainly reflect publication lag rather than a real cessation of activity; interpret the 3 records shown for 2026 as provisional. The field is best described as plateaued near its 2022 peak.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B60L (electric vehicle propulsion) leads with 7 patent records, followed by B60K (vehicle propulsion and drive) with 4 and H01M (batteries, cells, and fuel cells) with 3. Manufacturing-adjacent classes — B22F (powder metallurgy) and B21C (metal extrusion and drawing) — each appear at lower counts, pointing to early exploration of structural and thermal manufacturing techniques. B60H (vehicle heating and. A/C) rounds out the mix at 1 record.
↗ 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.
Universal battery pack, electric vehicle powertrai…
A Universal Battery Pack (UBP), electric vehicle powertrain design and battery swapping network with battery health management enabling a user of an electric vehicle to access data such as state of health monitoring to enable advanced interface with the electricity grid to address challenges in the adoption of electric vehicles which include cost, range… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Universal battery pack, electric vehicle powertrai… | 61 |
| 2 | Battery current limiter for a high voltage battery… | 38 |
| 3 | Method for manufacturing cooling pipe for electric… | 3 |
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
The thin but multi-jurisdictional patent base and broad IPC spread suggest the field is structurally open. Four dimensions — maturity, concentration, collaboration, and geography — shape where meaningful R&D investment can be directed.
Plateaued near 2022 peak
Annual filing volume has eased from its 2022 high and has not resumed growth, placing the field at a mature plateau rather than an ascending growth phase. This suggests that the initial wave of foundational claims has been staked, but the thin total corpus means there are still large areas of unclaimed technical territory. New entrants face limited prior-art density compared with adjacent battery or motor fields.
Lifecycle: MaturityLow incumbent lock-in
The top five filers hold 41% of the output among the hundred largest filers, and no applicant holds more than 2 patent records. This low concentration means there is no entrenched blocking position. An industrial player filing a focused cluster of patents in B60L or H01M could quickly move into a leadership position relative to current filers.
Low concentrationOne known co-filing pair: NGM Co. and Pukyong National University
The evidence shows a single recorded collaboration between NGM Co. and the Pukyong National University Industry-Academic Cooperation Foundation, with 1 joint filing. This university-industry link is focused on powder metallurgy (B22F), suggesting a materials-level research angle. Beyond this pairing, co-applicant activity is sparse, and the ecosystem is largely composed of independent filers — leaving partnership routes largely unexplored.
Minimal co-filingEven spread across five jurisdictions
Patent records are distributed evenly across India, Japan, South Korea, the United States, and WIPO (PCT) at 2 records each, with single records in Australia and China. India’s position as the lead filing office is notable given its emerging EV policy environment. The PCT route at 2 records signals some early interest in multi-jurisdictional protection, though the volume remains too low to draw firm geographic strategy conclusions.
Multi-jurisdictionGo 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 |
|---|---|---|
| 주식회사엔지엠 | Pukyong National University Industry-Academic Cooperation Foundation | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Mitsubishi Electric Mobility and Pukyong University lead; both are new entrants
The two co-leading filers approach the technology from different angles — one from a commercial mobility systems perspective, the other from academic materials and drive research — and both entered recently with no prior-period base.
Mitsubishi Electric Mobility Corp
Holds 2 patent records, both classified under B60L 50 (electric vehicle propulsion systems), making propulsion electronics its exclusive focus in this corpus. Momentum is flagged as a new entrant, meaning all activity is recent with no prior filing base to compare against. As the commercial mobility arm of Mitsubishi Electric, it brings systems-integration expertise that could underpin broader powertrain-level claims.
2 patent recordsPukyong National University Industry-Academic Cooperation Foundation
Also holds 2 patent records, but with a distinctly different technical spread: B60K (vehicle propulsion and drive) at 3 records and B22F (powder metallurgy) at 2 records, reflecting a materials-to-system research trajectory. The collaboration with NGM Co. on powder metallurgy reinforces this materials angle. As an academic filer, its patents may carry broader, foundational claim language that industry players should monitor for freedom-to-operate implications.
2 patent records| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Mitsubishi Electric Mobility Corp | 2 | ▲ new entrant |
| Mitsubishi Electric Corporation | 1 | ▲ new entrant |
Under-served branches in manufacturing process and thermal management
Two IPC branches appear at the margin of the current corpus with only 1 patent record each. Both are adjacent to core powertrain-battery integration but are sparsely represented, making them worth monitoring rather than immediately actionable as opportunities without further landscape validation.
B21C · Metal extrusion and drawing
With only 1 patent record and a 6% share of the corpus, metal extrusion and drawing processes for battery pack structural components are almost absent from this specific landscape. Battery pack housings and thermal interface structures often rely on extruded aluminum profiles; if this technical gap persists under a broader search, it could represent a viable entry point for manufacturers with extrusion process know-how. Validation against broader B21C and B60 cross-class searches is advised before treating this as a confirmed white space.
Search this in Eureka →B60H · Vehicle heating and A/C
Thermal management of battery packs — covering cabin HVAC integration, coolant loop sharing, and heat pump architectures — appears in only 1 patent record here. Given the direct impact of thermal conditioning on pack longevity and range, this sparsity is technically noteworthy. Players with expertise in vehicle thermal systems or refrigerant-based cooling could explore cross-linking B60H and H01M claims. Again, broader corpus checks are recommended before concluding this is an unoccupied space.
Search this in Eureka →How leaders differ by technology route
Strength of each leader across the main technology routes.
| Player | B60K 1 · Vehicle propulsion & drive | B60L 50 · Electric vehicle propulsion | B60L 58 · Electric vehicle propulsion | B22F 3 · Powder metallurgy | B22F 5 · Powder metallurgy |
|---|---|---|---|---|---|
| Pukyong National University Industry-Academic Cooperation Foundation | Strong · 3 | Absent | Absent | Strong · 2 | Strong · 2 |
| Mitsubishi Electric Mobility Corp | Absent | Strong · 2 | Absent | Absent | Absent |
| DR K ARUN | Absent | Absent | Strong · 1 | Absent | Absent |
| DR P SURESH KUMAR | Absent | Absent | Strong · 1 | Absent | Absent |
| DR V R MURUGANANTHAM | Absent | Absent | Strong · 1 | Absent | Absent |
Frequently asked questions
The corpus covered by this analysis contains 11 patent families in scope. This is a small corpus, indicating the field is either narrowly defined or at an early stage of patenting activity relative to the broader EV battery space.
Mitsubishi Electric Mobility Corp and Pukyong National University Industry-Academic Cooperation Foundation share the top position, each with 2 patent records. Other named filers include Mitsubishi Electric Corp, Dyson Technology Ltd, Zero Electric LLC, and Ford Global Technologies LLC, each with 1 patent record.
The field is at a maturity plateau. Annual filings peaked around 2022 at 4 patent records and have eased since then. Zero counts in 2023–2025 should be attributed to publication lag rather than a genuine stop in activity.
India, Japan, South Korea, the United States, and WIPO (PCT) each account for 2 patent records, with Australia and China each holding 1. India’s position as co-lead filing office reflects its growing role as a jurisdiction of interest for EV-related IP, though volumes are too small to draw firm strategic conclusions.
One collaboration is recorded: NGM Co. (a Korean company) and the Pukyong National University Industry-Academic Cooperation Foundation filed jointly, with 1 co-filed record focused on powder metallurgy (B22F). No other collaborative filings are evident in the corpus.
The most-cited work is titled ‘Universal battery pack, electric vehicle powertrain…’ with 61 citations, followed by ‘Battery current limiter for a high voltage battery…’ with 38 citations. A third document on ‘Method for manufacturing cooling pipe for electric…’ has 3 citations. Patent numbers for the top two were not available in the evidence provided.
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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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