Titanium Alloy Powder Metallurgy Patent Landscape
The titanium alloy powder metallurgy field spans 1,235 patent families and is in a Growth stage, with annual filings still rising and a 7% gain in the recent window. Activity is distributed across a broad set of academic institutions and industrial players, with Chinese universities collectively dominating but no single applicant holding an outsized share.
Chinese universities lead a fragmented but growing field
University of Science and Technology Beijing (USTB) ranks first with 86 patent records, ahead of Osaka Titanium Technologies at 51 and Nippon Steel Corporation at 44, establishing a clear but modest lead over a deep challenger tier.
The top five filers collectively account for 17% of the hundred largest filers’ combined total, indicating a fragmented competitive structure with no dominant incumbent capable of foreclosing broad technology spaces. A significant gap opens between the top three and the remainder of the top ten, separating a university-led vanguard from a mix of Japanese industrials and specialist European firms.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | UNIV OF SCI & TECH BEIJING | 86 | |
| 2 | Osaka Titanium Technologies Co., Ltd. | 51 | |
| 3 | Nippon Steel Corporation | 44 | |
| 4 | Central South University | 40 | |
| 5 | Toyota Central R&D Labs, Inc. | 39 | |
| 6 | Element 22 GmbH | 37 | |
| 7 | General Electric Company | 35 | |
| 8 | Norsk Titanium AS | 35 | |
| 9 | Harbin Institute of Technology | 33 | |
| 10 | Beijing Institute of Technology | 31 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | KUNMING UNIV OF SCI & TECH | 31 | |
| 12 | Toho Titanium Co., Ltd. | 30 | |
| 13 | Xi’an Rare Metal Materials Research Institute Co., Ltd. | 28 | |
| 14 | TYK Corporation | 27 | |
| 15 | Seiko Epson Corporation | 26 | |
| 16 | NHK Spring Co., Ltd. | 25 | |
| 17 | Northwest Institute for Nonferrous Metal Research | 24 | |
| 18 | Mitsubishi Materials Corporation | 22 | |
| 19 | ATI Properties, Inc. | 22 | |
| 20 | Nippon Kokan K.K. | 22 |
USTB’s position, reinforced by close institutional ties to its Shunde Innovation Institute, reflects. China’s strategic investment in advanced materials research. Japanese companies — Osaka Titanium, Nippon Steel, Toyota Central R&D Labs, and Toho Titanium — form a cohesive industrial bloc with complementary coverage across alloy composition and post-processing.
The most recent 18–24 months of filings are subject to publication lag and likely undercount actual activity; trend conclusions for 2025–2026 should be treated as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Sustained filing growth with dominant core classes and emerging additive manufacturing branch
Annual filing volume and the technology branch mix together reveal both the pace of investment and the structural balance between established processing routes and newer application domains.
Annual filing trend
Annual filings rose from 113 in 2018 to a record 155 in 2023, then held near that level in 2024 and 2025. The 2026 figure of 14 reflects publication lag only and should not be read as a decline. The field’s 7% recent-window growth confirms continued broad momentum.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B22F (Powder metallurgy) and C22C (Alloys) dominate the branch mix, accounting for the two largest shares and confirming that core powder processing and alloy composition remain the primary research fronts. B33Y (Additive manufacturing / 3D printing) is the fourth-largest branch, signalling meaningful but still secondary attention to AM-specific process routes. Medical device branches A61L, A61F, and A61C collectively represent a coherent biomedical application cluster, while C22F (non-ferrous metal treatment) ranks third overall, pointing to post-processing and heat treatment as an active area.
↗ 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.
METHOD OF MAKING TITANIUM ALLOY BASED AND TiB REIN…
A method of preparing a titanium-based metal matrix composite. In one form, titanium hydride can be added to substantially pure titanium, an alloying material and a source of boron such that a mixture of these materials can be compacted and sintered in a powder metallurgy process to produce a component made up of a titanium boride reinforced titanium alloy… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Surface hardened biocompatible metallic medical im… | 323 |
| 2 | Porous nickel-titanium alloy article | 265 |
| 3 | Biocompatible low modulus titanium alloy for medic… | 216 |
| 4 | Titanium alloy and method for producing the same | 196 |
| 5 | Prosthesis device fabrication | 196 |
| 6 | Titanium group powder metallurgy | 183 |
| 7 | P/M titanium composite casting | 183 |
| 8 | 一种复杂形状生物医用多孔钛钼合金植入体的制备方法 | 142 |
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 observations — lifecycle stage, concentration, collaboration patterns, and geography — frame where the field is moving and where entry conditions remain open.
Growth stage: annual filings still rising
The field is classified as Growth, with annual filings still rising and a 7% gain in the recent multi-year window. The 2023 peak of 155 annual filings has not eased on a sustained basis, and publication lag means the true recent trajectory is likely stronger than raw 2024–2025 counts suggest. Entrants who move now can still establish priority in under-populated sub-domains before the field consolidates.
Growth stageFragmented top tier: low barrier to relevant positioning
With the top five filers holding only 17% of the hundred largest filers’ combined total, no single actor controls a dominant patent position. The leader USTB holds 86 patent records — meaningful, but not a prohibitive block. This fragmentation means a focused filing program in a specific application niche (e.g., AM feedstock quality or biomedical implant porosity) can achieve relative prominence relatively quickly.
FragmentedToyota ecosystem and Beijing university networks are the most active co-filers
The most active co-filing pair is Toyota Central R&D Labs (KK Toyota Chuo Kenkyusho) with Toyota Motor Corporation, with 10 joint filings — the only pair in double digits. Beijing Institute of Technology and its Tangshan Research Institute account for 7 joint filings. USTB co-files with both its Shunde Innovation Institute and Liaoning Materials Laboratory. On the industrial side, Nippon Steel co-files with both Shintom Pureda and Toho Titanium, reflecting a supply-chain-integrated approach to powder sourcing and alloy development.
Ecosystem tiesChina-heavy filing base; US, Japan, and EPO form the secondary protection tier
China accounts for the largest share of patent records by a wide margin, followed by the United States, Japan, and Europe (EPO). PCT filings (WIPO) indicate meaningful intent to seek multi-jurisdictional protection. Coverage in Canada, Australia, and South Korea is moderate. Gaps in major manufacturing economies such as India, Germany (standalone), and France suggest that protection strategies outside the primary three jurisdictions remain selective rather than comprehensive.
China-dominantGo 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 |
|---|---|---|
| Toyota Central R&D Labs, Inc. | Toyota Motor Corporation | 10 |
| Beijing Institute of Technology | Beijing Institute of Technology Tangshan Research Institute | 7 |
| University of Science and Technology Beijing | University of Science and Technology Beijing Shunde Innovation Institute | 5 |
| Toyota Central R&D Labs, Inc. | Aisan Industry Co., Ltd. | 5 |
| Nippon Steel Corporation | Shintom Pureda Co., Ltd. | 5 |
| Nippon Steel Corporation | Toho Titanium Co., Ltd. | 3 |
| Central South University | Shenzhen Lemai Technology Co., Ltd. | 2 |
| Harbin Institute of Technology | Taizhou Hangyu Electrical Co., Ltd. | 2 |
| University of Science and Technology Beijing | Liaoning Materials Laboratory | 1 |
| University of Science and Technology Beijing | Shenzhen Alijia Materials Technology Co., Ltd. | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
USTB leads on volume; Toyota Central R&D anchors the industrial tier by alloy composition depth
The top two players illustrate the divide between university-driven process breadth and industry-focused alloy and treatment specialization. Momentum data reveal a mix of established leaders and a wave of newly active filers.
University of Science and Technology Beijing
USTB leads the field with 86 patent records, concentrated in B22F 3 (powder metallurgy processing), B22F 1 (powder preparation), and C22C 1 (alloy composition). Its recent-period filing trend shows a modest –6% dip versus the prior window, suggesting the institution’s rapid build-out phase may be moderating — though it retains a substantial lead. Institutional extensions via the Shunde Innovation Institute and Liaoning Materials Laboratory reinforce its ecosystem coverage.
86 patent recordsToyota Central R&D Labs (KK Toyota Chuo Kenkyusho)
Toyota Central R&D Labs ranks fifth overall with 39 patent records and holds the deepest alloy-composition focus in the ranking, led by C22C 14 (titanium alloys), C22F 1 (non-ferrous treatment), and C22C 1. Its active co-filing relationship with Toyota Motor Corporation (10 joint filings) and Aisan Industry (5 joint filings) points to a tightly integrated industrial development pipeline oriented toward automotive powertrain components. Momentum is classified as a new entrant in the recent window, which — given a small recent base against its established prior-period volume — reflects a recalibration rather than a new arrival.
39 patent records| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| University of Science and Technology Beijing | 29 | ▼ -6% |
| Osaka Titanium Technologies Co., Ltd. | 2 | ▲ new entrant |
| Central South University | 7 | ▲ new entrant |
| Harbin Institute of Technology | 9 | ▲ new entrant |
| Element 22 GmbH | 10 | ▲ new entrant |
| Kunming University of Science and Technology | 7 | ▲ new entrant |
| Beijing Institute of Technology | 13 | ▲ new entrant |
Under-served adjacent branches worth monitoring
Several IPC branches adjacent to the dominant powder metallurgy and alloy-composition core show relatively sparse coverage relative to their plausible technical relevance — presenting potential entry points for focused programs.
C22F · Non-ferrous metal treatment (post-processing & heat treatment)
C22F ranks third in absolute branch count but carries only an 8% share relative to the dominant B22F and C22C branches, suggesting that post-processing optimization — heat treatment cycles, thermo-mechanical treatment, and phase transformation control specific to PM titanium — remains under-claimed relative to its importance in final part properties. Organizations with existing B22F or C22C positions could extend into C22F to protect full process chains. The technical entry path is straightforward for labs already characterizing microstructure-property relationships in sintered titanium parts.
Search this in Eureka →B33Y · Additive manufacturing (AM feedstock and process integration)
B33Y holds a 4% share and ranks fourth, indicating that the intersection of titanium PM with AM-specific process parameters — feedstock powder specification, layer consolidation, in-situ monitoring — is not yet densely claimed. Given the rapid industrial adoption of laser powder bed fusion and directed energy deposition for titanium parts, this adjacency has clear commercial relevance. Entry paths include powder morphology and flowability standards for AM, alloy composition tailored for AM thermal cycles, and hybrid PM-AM process sequences.
Search this in Eureka →How leading applicants differ across core technology routes
Route coverage across the main technology branches in the current evidence set.
| Player | B22F 3 · Powder metallurgy | C22C 14 · Alloys | C22C 1 · Alloys | B22F 1 · Powder metallurgy | B22F 9 · Powder metallurgy |
|---|---|---|---|---|---|
| University of Science and Technology Beijing | Strong · 58 | Strong · 36 | Strong · 36 | Strong · 49 | Strong · 32 |
| Central South University | Strong · 19 | Strong · 27 | Strong · 26 | Absent | Moderate · 11 |
| Harbin Institute of Technology | Strong · 28 | Strong · 21 | Strong · 18 | Absent | Moderate · 10 |
| Beijing Institute of Technology | Strong · 20 | Strong · 22 | Strong · 20 | Absent | Strong · 12 |
| Osaka Titanium Technologies Co., Ltd. | Strong · 34 | Absent | Absent | Strong · 39 | Absent |
| NHK Spring Co., Ltd. | Strong · 19 | Absent | Strong · 19 | Strong · 18 | Strong · 17 |
| General Electric Company | Absent | Strong · 24 | Strong · 18 | Strong · 14 | Moderate · 12 |
Frequently asked questions
The dataset covers 1,235 patent families. This is the corpus total against which growth rates and lifecycle assessments are made.
University of Science and Technology Beijing leads with 86 patent records, ahead of Osaka Titanium Technologies at 51 and Nippon Steel Corporation at 44.
Yes. The field is in a Growth stage, with a 7% gain in the recent window and annual filings reaching 155 in 2023. The most recent 18–24 months are subject to publication lag, so 2025–2026 figures understate true activity.
China accounts for the largest concentration of patent records, followed by the United States, Japan, and Europe via the EPO. PCT filings indicate meaningful pursuit of multi-jurisdictional coverage among the leading applicants.
The most-cited records include works on surface-hardened biocompatible metallic implants (323 citations), porous nickel-titanium alloy articles (265 citations), and low-modulus biocompatible titanium alloys for medical use (216 citations). This citation concentration around biomedical applications confirms that implant and prosthetics engineering is a historically influential sub-domain within the broader field.
C22F (non-ferrous metal treatment / post-processing) and B33Y (additive manufacturing) carry relatively low filing shares — 8% and 4% respectively — compared to the dominant B22F and C22C classes. Both have clear technical relevance to the field and represent potential entry points for focused filing programs.
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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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