HEA Characterization Patent Landscape 2026
The HEA characterization patent field is in a growth stage, with filings expanding strongly on a multi-year basis and Chinese academic institutions holding a commanding share of activity. University of Science & Technology Beijing leads the ranking, and China dominates both filing origin and jurisdiction coverage, leaving limited non-Chinese counterbalancing presence.
Chinese universities dominate a moderately concentrated field
University of Science & Technology Beijing leads all filers, followed closely by Beijing Institute of Technology, Dalian University of Technology, and Harbin Institute of Technology — all Chinese universities occupying the top four positions in the ranking.
The top five filers account for 21% of the combined output of the hundred largest filers, indicating moderate concentration: no single institution has overwhelming dominance, but Chinese academic entities collectively define the competitive structure. Proterial Ltd. is the only non-Chinese organization in the top ten, entering at sixth position.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | UNIV OF SCI & TECH BEIJING | 75 | |
| 2 | Beijing Institute of Technology | 53 | |
| 3 | Dalian University of Technology | 51 | |
| 4 | Harbin Institute of Technology | 50 | |
| 5 | Institute of Metal Research, Chinese Academy of Sciences | 41 | |
| 6 | Proterial Ltd. | 39 | |
| 7 | Northwestern Polytechnical University | 37 | |
| 8 | Xiangtan University | 36 | |
| 9 | Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences | 33 | |
| 10 | KUNMING UNIV OF SCI & TECH | 30 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | Central South University | 26 | |
| 12 | Xi’an Technological University | 23 | |
| 13 | Xi’an Jiaotong University | 21 | |
| 14 | Northeastern University China | 20 | |
| 15 | NANJING UNIV OF SCI & TECH | 19 | |
| 16 | Hefei University of Technology | 19 | |
| 17 | Shenyang University of Technology | 18 | |
| 18 | WUHAN UNIV OF SCI & TECH | 17 | |
| 19 | Nanchang University | 17 | |
| 20 | Beijing University of Technology | 17 |
The academic-led structure signals that foundational characterization methods, alloy composition patents, and processing routes are being staked out by research institutions rather than industrial manufacturers — suggesting that companies seeking IP positions in HEA characterization face competition from a well-funded academic cohort rather than from industry peers.
Filing counts for the most recent 18–24 months are understated due to standard patent publication lag and 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.
Filings in sustained growth; alloy composition overwhelmingly dominant
Annual filing volume has grown strongly over the observed window, with the field in a confirmed growth stage. The technology mix is heavily concentrated in core alloy and processing classes, with several adjacent functional branches at much lower coverage.
Annual filing trend
Filings climbed from 80 families in 2017 to peaks in the 2022–2025 range, reflecting an 81% growth rate over the recent window. The 2026 figure is substantially understated by publication lag and should be disregarded as a trend signal.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C22C (Alloys) accounts for the largest share of patent records by a wide margin, followed by B22F (Powder metallurgy) and C23C (Coating & surface deposition). Functional end-use branches such as H01M (Batteries), G21C (Nuclear reactors), and B01J (Catalysis) each represent a small fraction of records, indicating that application-specific characterization remains comparatively sparse.
↗ 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.
Precipitation Strengthening AlCrFeNiV System High …
A precipitation strengthening AlCrFeNiV system high entropy alloy is composed of Al 0.30-0.60, Cr 0.20-0.89, Fe 0.60-1.20, Ni 1.50-3.50 and V 0.10-0.30 by weight ratio. The high entropy alloy is manufactured utilizing melting and casting, followed by deformation and heat treatment process. (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 激光熔覆用高熵合金粉末和高熵合金涂层的制备方法 | 133 |
| 2 | 具有弥散纳米析出相强化效应的高熵合金及其制备方法 | 121 |
| 3 | AlCoCrFeNiTix高熵合金材料及其制备方法 | 107 |
| 4 | 一种生物医用TiZrNbTa系高熵合金及其制备方法 | 87 |
| 5 | 一种具有形状记忆效应的NxMy高熵合金及其制备方法 | 86 |
| 6 | 低热膨胀系数NaMxAlySiz高熵合金及制备方法 | 83 |
| 7 | 一种难熔高熵合金/碳化钛复合材料及其制备方法 | 81 |
| 8 | Alloy member, manufacturing method of the alloy me… | 79 |
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
Four structural signals — field maturity, concentration, collaboration patterns, and geographic spread — define the strategic context for any new entrant or existing player planning HEA characterization investments.
Growth stage with no sign of plateau
The field is classified in the Growth stage: annual filings are still rising and the multi-year growth rate stands at 81%. The 2024–2025 filing years represent the highest observed annual volumes, and the trend has not eased from a prior peak. New entrants face an expanding but not yet mature IP landscape, meaning foundational positions are still being established.
Growth stageModerate concentration, all leaders are academic
The top five filers hold 21% of the combined output of the hundred largest filers — moderate concentration for an academic-led field. The first tier is composed entirely of Chinese universities, with Proterial Ltd. as the sole industrial actor in the top ten. This gap between academic output and industrial filing creates potential space for industrial players to build proprietary characterization IP without directly contesting leading positions.
Moderate concentrationCo-filing is hub-and-spoke around major universities
The most active co-filing pairs link Beijing Institute of Technology with its Tangshan Research Institute (6 joint families) and Harbin Institute of Technology with its Chongqing Research Institute (5 joint families). Northwestern Polytechnical University co-files with its Shenzhen Research Institute (3 families), and the Lanzhou Institute of Chemical Physics co-files with both South China University of Technology and the Yantai Zhongke Research Institute (3 families each). The pattern is predominantly intra-system: a flagship university filing jointly with a branch or affiliated institute, rather than cross-institutional or industry-academia partnerships.
Hub-and-spoke co-filingNear-exclusive Chinese jurisdiction; minimal international coverage
China accounts for the dominant share of patent records by jurisdiction. The United States, India, EPO, and Japan each have small patent-record counts, and WIPO PCT filings are limited. This geographic skew means that HEA characterization IP developed outside China has limited head-to-head conflict with the existing corpus, but also that most existing rights provide little protection in non-Chinese markets — a potential opening for non-Chinese applicants to establish durable positions in US, European, and Japanese jurisdictions.
China-dominant, limited global coverageGo 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 |
|---|---|---|
| Beijing Institute of Technology | Beijing Institute of Technology Tangshan Research Institute | 6 |
| Harbin Institute of Technology | Harbin Institute of Technology Chongqing Research Institute | 5 |
| Northwestern Polytechnical University | Northwestern Polytechnical University Shenzhen Research Institute | 3 |
| Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences | South China University of Technology | 3 |
| Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences | YANTAI ZHONGKE RES INST OF ADVANCED MATERIALS & GR… | 3 |
| Beijing Institute of Technology | Xue Yunfei | 2 |
| Beijing Institute of Technology | Wang Lu | 2 |
| Beijing Institute of Technology | Wang Benpeng | 2 |
| Beijing Institute of Technology | Wang Fuchi | 2 |
| Dalian University of Technology | Northeastern University China | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Top players concentrate on alloy composition and powder metallurgy routes
The ranking is led by University of Science & Technology Beijing, with Beijing Institute of Technology, Dalian University of Technology, and Harbin Institute of Technology close behind. Proterial Ltd. is the only industrial player in the top ten and takes a distinctly different technical approach.
University of Science & Technology Beijing
The top-ranked filer with 75 patent families, focused primarily on C22C (Alloys) and secondarily on C22F (Non-ferrous metal treatment). Momentum is strong at approximately 3.0× its prior three-year volume, indicating accelerating output rather than a maturing position. Its technology emphasis mirrors the field’s dominant class but with notably deeper non-ferrous treatment coverage than most peers.
families: 75Proterial Ltd.
Ranked sixth with 39 patent families, Proterial Ltd. is the field’s leading industrial filer and the only top-ten non-Chinese entity. Unlike the academic leaders whose emphasis is on alloy composition and treatment, Proterial’s focus spans C22C (Alloys) and heavily into B22F (Powder metallurgy — both B22F1 and B22F9 subclasses), reflecting a manufacturing-process orientation. This powder metallurgy emphasis represents a differentiated technical route relative to the Chinese university cluster.
families: 39| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| University of Science & Technology Beijing | 30 | ▲ 3.0× vs prior 3-yr |
| Beijing Institute of Technology | 17 | ▲ +6% |
| Dalian University of Technology | 33 | ▲ 3.3× vs prior 3-yr |
| Harbin Institute of Technology | 27 | ▲ new entrant |
| Northwestern Polytechnical University | 19 | ▲ +36% |
| Institute of Metal Research, Chinese Academy of Sciences | 22 | ▲ +83% |
| Xiangtan University | 9 | ▲ new entrant |
| Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences | 20 | ▲ new entrant |
Under-served branches adjacent to the dominant alloy core
Several IPC classes sit at the periphery of HEA characterization activity, carrying plausible technical relevance but relatively sparse patent coverage. These are observations of relative sparsity; only those with a plausible entry path and technical value are noted as worth watching.
B33Y · Additive manufacturing (3D printing)
With 138 patent records and a 4% share of the technology composition, additive manufacturing is an adjacent branch with clear technical relevance: selective laser melting and directed energy deposition are established routes for HEA processing and require characterization of microstructure, phase stability, and defect evolution unique to layer-by-layer construction. The relatively low coverage compared to the dominant C22C class, combined with growing industrial adoption of AM for complex alloy components, makes this a branch where new characterization-focused filings could find differentiated space.
Search this in Eureka →B82Y · Nanotechnology applications
B82Y covers nanotechnology applications and carries 86 patent records at a 2% share — sparse given that nanoscale phase characterization (e.g., CALPHAD-guided nanostructure analysis, atom-probe tomography of HEA precipitates) is an active research frontier. The low filing density relative to the scientific literature suggests that nanotechnology-scale characterization methods for HEAs are not yet well-staked in the patent corpus, presenting a potential entry point for filers with expertise in nano-analytical techniques applied to multi-principal-element systems.
Search this in Eureka →How leaders differ by technology route across IPC classes
Route coverage across the main technology branches in the current evidence set.
| Player | C22C 30 · Alloys | C22C 1 · Alloys | B22F 9 · Powder metallurgy | B22F 1 · Powder metallurgy | C22F 1 · Non-ferrous metal treatment |
|---|---|---|---|---|---|
| University of Science & Technology Beijing | Strong · 75 | Strong · 62 | Emerging · 6 | Absent | Emerging · 14 |
| Beijing Institute of Technology | Strong · 59 | Strong · 50 | Absent | Absent | Moderate · 18 |
| Dalian University of Technology | Strong · 52 | Strong · 49 | Absent | Absent | Moderate · 16 |
| Harbin Institute of Technology | Strong · 50 | Strong · 31 | Moderate · 13 | Moderate · 11 | Emerging · 8 |
| Proterial Ltd. | Strong · 37 | Absent | Strong · 32 | Strong · 32 | Absent |
| Northwestern Polytechnical University | Strong · 42 | Strong · 31 | Emerging · 8 | Emerging · 8 | Emerging · 8 |
| Institute of Metal Research, Chinese Academy of Sciences | Strong · 41 | Strong · 39 | Absent | Absent | Moderate · 11 |
Frequently asked questions
The analysis covers 1,538 patent families in scope. This corpus spans multiple jurisdictions, though China accounts for the dominant share of records by filing office.
University of Science & Technology Beijing leads with 75 patent families, followed by Beijing Institute of Technology (53), Dalian University of Technology (51), and Harbin Institute of Technology (50). All top four filers are Chinese universities.
Proterial Ltd. is the only industrial entity in the top ten, ranked sixth with 39 patent families. Its portfolio is differentiated by a strong emphasis on powder metallurgy routes (B22F), contrasting with the alloy-composition focus of the academic leaders.
The field is in the Growth stage. Annual filing volume has risen strongly over the observed window, with an 81% growth rate over the recent period. The most recent filing years represent peak observed volumes, and the trend has not eased from a prior peak.
China accounts for the largest number of records by far, followed at a much lower level by the United States, India, Europe (EPO), and Japan. WIPO PCT filings are limited, indicating that most rights currently provide stronger protection in China than in other major markets.
Additive manufacturing (B33Y, 138 records) and nanotechnology applications (B82Y, 86 records) are the most technically relevant adjacent branches with relatively low patent density compared to the dominant alloy composition class. Both carry plausible entry paths for applicants with manufacturing-process or nano-analytical characterization expertise.
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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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