Titanium Melting & Powder Metallurgy Scale-Up Patent Landscape
The titanium melting and powder metallurgy scale-up space is a maturing field anchored by a diverse mix of academic institutions, steel majors, and specialist producers, with no single player commanding more than a small share of activity. China leads filing volume by jurisdiction, and the technology core sits firmly in alloy composition and powder metallurgy processing, with additive manufacturing and metal extraction emerging as adjacent areas of growing interest.
A fragmented field led by University of Science & Technology Beijing, with no dominant single entity
University of Science & Technology Beijing holds the top position among ranked applicants, followed closely by Nippon Steel Corporation, Element 22, Norsk Titanium AS, and Central South University. The top five filers together account for 21% of the combined output of the hundred largest filers, signaling a fragmented competitive structure rather than oligopolistic control.
The tier gap between the leader and the rest of the top ten is relatively narrow — the top-ranked applicant holds 39 patent records versus 36 for the second-ranked Nippon Steel Corporation and 29 for third-ranked Element 22. This compressed ranking suggests that no single organization has achieved a decisive positional advantage through sheer filing volume.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | UNIV OF SCI & TECH BEIJING | 39 | |
| 2 | Nippon Steel Corporation | 36 | |
| 3 | Element 22 GmbH | 29 | |
| 4 | Norsk Titanium AS | 28 | |
| 5 | Central South University | 21 | |
| 6 | Toho Titanium Co Ltd | 17 | |
| 7 | Kobe Steel Ltd | 16 | |
| 8 | Tohoku University | 14 | |
| 9 | General Electric Company | 14 | |
| 10 | Sumitomo Metal Industries Ltd | 14 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Dynamet Technology Inc | 13 | |
| 12 | NIPPON STEEL & SUMITOMO METAL CORP | 13 | |
| 13 | Toyota Central R&D Labs Inc | 12 | |
| 14 | The Boeing Company | 12 | |
| 15 | Honda Motor Co Ltd | 11 | |
| 16 | Toyota Motor Corporation | 11 | |
| 17 | Northeastern University (China) | 10 | |
| 18 | FMW Composite Systems Inc | 10 | |
| 19 | RMI Titanium Company | 10 | |
| 20 | Praxis Powder Technology Inc | 10 |
The presence of Chinese universities, Japanese steel and materials conglomerates, European additive-manufacturing specialists, and US aerospace and defense players in the top ranks indicates that the technology base is being developed across multiple national innovation systems simultaneously, complicating any single actor’s ability to dominate.
Activity data for the most recent 18–24 months should be treated as provisional given standard patent publication delays; the apparent recent trajectory may shift materially as filings from 2024–2025 are fully published.
Annual volume has plateaued near its peak; alloy composition and powder processing dominate the technology mix
Two lenses — the year-by-year filing trend and the IPC class breakdown — together show a field that has reached technological maturity in its core routes while newer application domains remain comparatively sparse.
Annual filing trend
Filing volume peaked in 2017 at 56 patent records and has since oscillated rather than trended uniformly upward or downward, consistent with a plateaued mature field. The apparent low counts in 2022 and the uptick into 2023–2025 partially reflect publication lag; the 2026 bar in particular is heavily under-counted and should not be read as a real decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C22C (alloys) and B22F (powder metallurgy) together account for the largest share of patent records by a substantial margin, confirming that material composition and consolidation processing remain the dominant innovation axes. B33Y (additive manufacturing) and C22B (metal extraction and refining) are present but considerably smaller, marking them as adjacent areas that have not yet attracted dense patenting relative to the core.
↗ 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.
Niobium-titanium superconductors produced by powde…
Superconductors formed by powder metallurgy have a matrix of niobium-titanium alloy with discrete pinning centers distributed therein which are formed of a compatible metal. The artificial pinning centers in the Nb-Ti matrix are reduced in size by processing steps to sizes on the order of the coherence length, typically in the range of 1 to 10 nm. To… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Porous nickel-titanium alloy article | 265 |
| 2 | Biocompatible low modulus titanium alloy for medic… | 216 |
| 3 | Titanium alloy and method for producing the same | 196 |
| 4 | Prosthesis device fabrication | 196 |
| 5 | Titanium group powder metallurgy | 183 |
| 6 | P/M titanium composite casting | 183 |
| 7 | Titanium tungsten alloys produced by additions of … | 128 |
| 8 | Porous metals and metal coatings for implants | 128 |
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
Four structural features — lifecycle stage, concentration, collaboration patterns, and geographic footprint — each carry distinct implications for where new entrants or expanding incumbents can find defensible space.
Field is plateaued near peak; core routes are well-covered
Annual filings have plateaued near their 2017 peak, placing this field in a mature lifecycle stage. The core IPC classes — alloy composition and powder metallurgy processing — are densely populated, meaning incremental improvement patents in these areas face a high prior-art burden. R&D investment in the core is most defensible when tied to specific alloy systems or novel consolidation routes not yet heavily covered.
Lifecycle: MatureFragmented top tier with compressed ranking gaps
The top five filers hold 21% of the hundred largest filers’ combined output, and the gap between first and tenth place is narrow. This fragmentation means no single entity’s patent portfolio creates an insurmountable blocking position across the whole field. New entrants with focused, differentiated technology can establish credible positions without facing a single dominant incumbent across all sub-routes.
Low concentrationUniversity–industry and cross-company co-filing is active, especially in China and Japan
The most active co-filing pairs include University of Science & Technology Beijing with its Shunde Innovation Institute and with Liaoning Materials Laboratory, Central South University with Shenzhen Lemai Technology and with Fujian Longxi Bearing Group, and Nippon Steel Corporation with Shintom Presta and with Toho Titanium. Sumitomo Metal Industries and Honda Motor also appear as a co-filing pair. These pairings suggest that academic-to-industrial technology transfer and supplier-OEM co-development are the dominant collaboration modes in this space.
Academic–industry linksChina leads by filing volume; US, Europe, and Japan remain essential jurisdictions
China is the leading filing jurisdiction, followed by the United States, Europe via the EPO, Japan, and WIPO PCT filings. Canada, the United Kingdom, and Australia also carry meaningful coverage. The broad multi-jurisdiction footprint of leading applicants — including PCT use — indicates that key players are pursuing international protection, raising freedom-to-operate complexity for any new entrant in aerospace, medical, or energy end markets.
China-led, globally spreadGo 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 |
|---|---|---|
| University of Science & Technology Beijing | University of Science & Technology Beijing Shunde Innovation Institute | 2 |
| Central South University | Shenzhen Lemai Technology Co Ltd | 2 |
| Nippon Steel Corporation | Shintom Presta Co Ltd | 2 |
| Sumitomo Metal Industries Ltd | Honda Motor Co Ltd | 2 |
| University of Science & Technology Beijing | Liaoning Materials Laboratory | 1 |
| University of Science & Technology Beijing | Shenzhen Alijia Materials Technology Co Ltd | 1 |
| Central South University | Fujian Longxi Bearing Group Co Ltd | 1 |
| Central South University | Panstar Advanced Alloy Materials (Changzhou) Co Ltd | 1 |
| Nippon Steel Corporation | Toho Titanium Co Ltd | 1 |
| Sumitomo Metal Industries Ltd | Sumitomo Electric Industries Ltd | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
University of Science & Technology Beijing and Element 22 define contrasting approaches to the technology
The ranking is led by a Chinese university with deep alloy and powder-processing coverage, while the most active new entrants are European and Norwegian specialists focused on near-net-shape and additive routes. Japanese steel majors occupy the middle tier with distinct application emphasis.
University of Science & Technology Beijing
Holds 39 patent records, the highest count among ranked applicants. Technology focus centers on powder metallurgy processing (B22F 3), titanium alloy composition (C22C 14), and alloy preparation routes (C22C 1). Recent momentum shows a modest decline of 8% versus the prior period, suggesting the institution’s output rate has stabilized rather than accelerating further. Its collaborations with Shunde Innovation Institute and Liaoning Materials Laboratory extend its reach into applied industrial contexts.
patent records: 39Element 22
Holds 29 patent records and is classified as a new entrant by recent filing momentum, indicating it has built its position largely within the recent filing window from a minimal prior base. Its technology emphasis sits squarely on powder metallurgy processing (B22F 3 and B22F 1) and non-ferrous metal treatment (C22F 1), with a particular orientation toward medical-grade titanium powder components. This focused positioning differentiates it sharply from the broader alloy-composition emphasis of the academic leaders.
patent records: 29| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| University of Science & Technology Beijing | 12 | ▼ -8% |
| Element 22 GmbH | 9 | ▲ new entrant |
| Norsk Titanium AS | 6 | ▲ new entrant |
| Central South University | 2 | ▲ new entrant |
Metal extraction, additive manufacturing, and coating deposition are under-served relative to the core
Several IPC classes appear in the corpus with counts that are small relative to the dominant alloy and powder-metallurgy branches, suggesting these are adjacent areas where patenting density is low. Whether they represent actionable entry points depends on technical fit and organizational capability.
C22B · Metal extraction & refining
With 102 patent records and a 5% share of the corpus, C22B is the largest of the lower-density branches. It covers upstream reduction and refining steps — including electrolytic and metallothermic routes — that are critical to powder feedstock quality and cost at scale. The sparse coverage relative to downstream processing (B22F, C22C) suggests that organizations with process chemistry expertise in titanium reduction could establish differentiated positions, particularly as feedstock cost remains a key barrier to powder metallurgy scale-up. Entry would require deep chemistry and materials-processing capability rather than forming or consolidation know-how.
Search this in Eureka →B33Y · Additive manufacturing (3D printing)
B33Y accounts for 74 patent records and a 3% share, making it one of the smallest primary branches despite additive manufacturing being a frequently cited application for titanium powder. Norsk Titanium AS is the most prominent applicant active in this branch, with 12 patent records at B33Y 10. The low overall density relative to the scale of industrial interest in titanium additive manufacturing may reflect that much AM-specific titanium IP is filed under process or alloy codes rather than B33Y directly — meaning the true competitive density here may be higher than the branch count alone suggests. Teams evaluating this space should cross-reference B22F 3, C22F 1, and B33Y together before concluding coverage is sparse.
Search this in Eureka →How leading applicants differ across alloy, powder-processing, additive, and application-specific routes
Route coverage across the main technology branches in the current evidence set.
| Player | C22C 14 · Alloys | B22F 3 · Powder metallurgy | C22C 1 · Alloys | C22F 1 · Non-ferrous metal treatment | B22F 1 · Powder metallurgy |
|---|---|---|---|---|---|
| University of Science & Technology Beijing | Strong · 26 | Strong · 30 | Strong · 24 | Absent | Moderate · 14 |
| Element 22 GmbH | Absent | Strong · 29 | Moderate · 7 | Strong · 18 | Strong · 28 |
| Titanox Development Ltd | Strong · 13 | Strong · 12 | Strong · 12 | Absent | Strong · 12 |
| Central South University | Strong · 13 | Strong · 11 | Strong · 11 | Absent | Moderate · 5 |
| Norsk Titanium AS | Strong · 13 | Strong · 17 | Absent | Strong · 10 | Absent |
| Nippon Steel & Sumitomo Metal Corporation | Strong · 24 | Absent | Absent | Strong · 14 | Absent |
| Dynamet Technology Inc | Strong · 12 | Absent | Strong · 11 | Absent | Strong · 11 |
Frequently asked questions
The corpus covers 390 patent families in titanium melting and powder metallurgy scale-up, drawn from a global multi-jurisdiction search.
University of Science & Technology Beijing leads the applicant ranking with 39 patent records, followed by Nippon Steel Corporation with 36 and Element 22 with 29.
The field is in a mature lifecycle stage. Annual filings peaked in 2017 and have since plateaued rather than trending consistently upward or declining. The most recent 18–24 months of data are under-counted due to publication lag and should not be read as a real directional signal.
China is the leading jurisdiction by filing volume, followed by the United States, Europe via the EPO, Japan, and WIPO PCT. Canada, the United Kingdom, and Australia also carry meaningful coverage, reflecting the global aerospace, medical, and industrial demand base for titanium components.
Alloy composition (C22C) and powder metallurgy processing (B22F) dominate the technology mix by a wide margin. Non-ferrous metal treatment (C22F) and metal extraction and refining (C22B) are secondary. Additive manufacturing (B33Y) and coatings (C23C) are present but at lower density.
The most-cited works in the corpus address porous nickel-titanium alloys, biocompatible low-modulus titanium alloys for medical use, general titanium alloy production methods, prosthesis device fabrication, titanium group powder metallurgy, and P/M titanium composite casting. The citation concentration around biomedical and structural alloy topics reflects the dual-use nature of titanium PM technology.
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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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