Traction Inverter Simulation Patent Snapshot 2026
Traction inverter simulation is an early-stage, lightly patented field with only 5 patent families in scope, dominated by academic and rail-transit institutions rather than large industrial incumbents. Activity is growth-stage, with filings concentrated in power conversion and electric vehicle propulsion branches and no single commercial player holding a commanding position.
Malaviya National Institute of Technology leads a highly fragmented, nascent corpus
The traction inverter simulation patent corpus is exceptionally small and concentrated: Malaviya National Institute of Technology Jaipur holds the top position with 2 patent families, while the remaining four ranked applicants each hold 1 patent family.
The top five filers account for 100% of the ranked applicants visible in this query’ combined total, reflecting a field where no commercial incumbent has yet staked a significant proprietary position. The tier gap between the leader and all challengers is minimal in absolute terms, meaning any new entrant filing two or more families could immediately challenge for the top rank.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Malaviya National Institute of Technology Jaipur | 2 | |
| 2 | SUBWAY OPERATION TECH R & D CENT BEIJING SUBWAY OP… | 1 | |
| 3 | Beijing Mass Transit Railway Operation Corporation | 1 | |
| 4 | CRRC Qingdao Sifang Co Ltd | 1 | |
| 5 | Ford Global Technologies LLC | 1 |
The current leader profile — a government-affiliated engineering institute alongside Beijing subway operators and CRRC Qingdao Sifang — suggests the space is being explored primarily for operational validation and academic research rather than broad commercial deployment. Ford Global Technologies’ presence as the sole Western automotive OEM signals early industrial interest.
The most recent filing years are likely under-counted due to standard patent publication lag; the apparent absence of 2025–2026 activity should not be read as a slowdown. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing activity is growing and dominated by power conversion technology
Two charts together illustrate both the pace of activity and the technology branches attracting filing effort; both confirm this is a nascent but rising field anchored in core power electronics.
Annual filing trend
Filings were absent from 2017 through 2019, then sporadic in 2020–2021, before a notable concentration in 2024. The 50% recent growth rate reflects a field moving from zero activity to initial structured filing; 2025–2026 data are under-counted due to publication lag and should not be interpreted as a reversal.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H02M (power conversion) is the visible branch, followed by B60L (electric vehicle propulsion) and H02J (power supply and grid systems). Branches B60M, G06F, and H05K each appear once, representing the thinnest coverage in the corpus and signalling where filing density has not yet formed.
↗ 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.
Traction inverter based automotive ac onboard char…
During a charge mode of a vehicle, switches of a dual active bridge connected between a traction battery and an inverter system controller are deactivated, switches of the inverter system controller are deactivated, and other switches of the dual active bridge are operated such that electrical energy from a grid connected with the vehicle flows through the… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 一种动车组牵引供电系统的仿真建模系统及方法 | 1 |
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.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Malaviya National Institute of Technology Jaipur
Malaviya NIT Jaipur holds 2 patent families, placing it at the top of the ranking. Its technology focus spans B60L (electric vehicle propulsion) and H02J (power supply and grid systems), consistent with academic research into inverter control and grid-interfacing simulation. Momentum is classified as a new entrant, indicating all filings are recent with no prior-period baseline.
families: 2Ford Global Technologies LLC
Ford Global Technologies holds 1 patent family, with technology emphasis on B60L (electric vehicle propulsion) and H02M (power conversion). As the only Western OEM in the corpus, its presence — also as a new entrant — signals that automotive manufacturers are beginning to formalise simulation IP in the traction inverter domain, though the single-family position is not yet a defensive posture.
families: 1Frequently asked questions
The current corpus contains 5 patent families in scope across all active jurisdictions.
Malaviya National Institute of Technology Jaipur is the top-ranked filer with 2 patent families. All other ranked applicants each hold 1 patent family.
H02M (power conversion) is the most represented branch, followed by B60L (electric vehicle propulsion) and H02J (power supply and grid systems). Branches G06F, H05K, and B60M each appear in only 1 patent record.
The field showed no filings from 2017 to 2019, then sporadic activity in 2020 and 2021, before a concentration of filings in 2024. The lifecycle is classified as Growth, with a 50% recent growth rate. The 2025–2026 period is likely under-counted due to publication lag.
China and India each account for 2 patent records, and the United States accounts for 1. No filings are evidenced at European, Japanese, or Korean offices in this corpus.
One co-filing collaboration is documented: Beijing Mass Transit Railway Operation Corporation and its Subway Operation Technology R&D Centre jointly filed 1 patent family. No cross-industry or academic–industry co-filings are evidenced in the current corpus.
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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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