Titanium Alloy Processing Patents: Leaders & Filing Trends 2026
- Filings peaked in 2019 at 84 and have declined since, with 2026 still partial — a maturing claim space rather than a growing one.
- C22C and C22F dominate the IPC mix (1,150 and 1,093 records), while forging, powder metallurgy and extrusion each sit under 100 — narrower, less crowded routes.
- The United States leads receiving offices at 329 filings, ahead of Europe, China and Japan, with momentum among the largest legacy assignees now flat at zero in the latest year.
Filing growth compares 2021 (48 records) with 2024 (54) — a three-year span. 2024 is the most recent year we treat as complete: publication lags filing by roughly 18 months, so 2025 onwards are still filling in and any growth rate that ends there would understate the field. Top-5 share is the combined record count of the five largest assignees divided by all 1,490 records in scope (CR5), not by the ranked leaders only.
What the titanium alloy processing patent record shows
Titanium alloy processing patents cluster around two IPC subclasses — C22C (alloys) and C22F (non-ferrous metal treatment) — which together account for the large majority of the 1,490 families in this dataset. The search scope centres on alpha-beta microstructure, hot working, machinability, fatigue property and surface contamination claim language, the vocabulary that separates process patents from simple composition claims.
Filing activity rose through the late 2010s, peaked in 2019, and has trended down toward 2026 — a year still undercounted because publication typically lags filing by around eighteen months. Forging, powder metallurgy and extrusion subclasses each carry a fraction of the volume seen in the core alloy and treatment classes, marking them as narrower but less contested routes into the same material system.
Filing trends and technology composition
The trend line and IPC breakdown below are drawn directly from the 1,490 families in scope; treat the most recent year as a floor, not a ceiling, given publication lag.
A peak-and-decline filing pattern
Filings climbed from 60 in 2017 to a peak of 84 in 2019, held near the midpoint at 40 in 2022, and have continued down toward single digits by 2026. That shape is more consistent with a claim space that has been substantially staked out than with an emerging one.
Two subclasses carry the field
C22C and C22F each cover well over a thousand records, dwarfing the forging, powder metallurgy, heat treatment, sterilising and extrusion subclasses that round out the dataset — each in the double or low-triple digits.
Shares are the percentage of the 1,490 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Titanium Alloy Processing with Eureka
This page is one run against one query. Ask Eureka your own question about titanium alloy processing and every answer comes back with the patent numbers behind it.
Try EurekaThe most-cited prior art in this space
Alpha-beta titanium alloy (Kobe Steel)
The filing describes an alpha-beta titanium alloy formulated to match the hot workability of Ti-6Al-4V while improving on its machinability, using controlled mass percentages of copper or nickel, aluminium, carbon, and a chromium/iron total, with the balance titanium and incidental impurities.Filed by Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel), published 2018-02-15.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US6607693B1 | Titanium alloy and method for producing the same | 196 |
| 2 | US4337090A | Heat recoverable nickel/titanium alloy with improved stability and machinability | 153 |
| 3 | US6127044A | Method for producing titanium alloy turbine blades and titanium alloy turbine blades | 122 |
| 4 | US5026520A | Fine grain titanium forgings and a method for their production | 119 |
| 5 | US20040221929A1 | Processing of titanium-aluminum-vanadium alloys and products made thereby | 110 |
| 6 | US6409852B1 | Biocompatible low modulus titanium alloy for medical implant | 104 |
| 7 | US6849231B2 | alpha-beta type titanium alloy | 101 |
| 8 | US20050072496A1 | Titanium alloy having high elastic deformation capability and process for producing the same | 99 |
| 9 | US5141566A | Process for manufacturing corrosion-resistant seamless titanium alloy tubes and pipes | 98 |
| 10 | US4482398A | Method for refining microstructures of cast titanium articles | 93 |
Citation counts inside a bounded corpus like this one skew toward older filings; read them as markers of influence on later drafting, not as a guide to what matters today.
Each row carries its publication number; clicking a row searches Eureka by that number.
Put your own technology through the same analysis
Eureka on the web
When you want the answer in the next five minutes.
The agent works the prompt against patents and technical literature, citing every source.
Run your analysis now →MCP server & REST API
When it has to run inside your own pipeline.
Patent search, landscape analysis and assignee resolution as MCP tools. Drop them into any agent framework, or call REST directly.
Browse MCP servers →What the numbers mean for a filing decision
Three patterns in the dataset matter more to a filing strategy than the raw counts on their own.
The core claim space has passed its filing peak
Activity rose steadily to 2019 and has fallen in most years since, with the 2022 midpoint at 40 and 2026 tracking toward single digits. Combined with heavy IPC concentration in C22C and C22F, this points to a mature, well-occupied claim space rather than an open one.
Filing strategy still centres on the US, Europe, China and Japan
The United States leads at 329 filings, with Europe, China and Japan each in the 200s and WIPO/Canada trailing well behind. A processing claim cleared in one of the top four offices still needs a deliberate decision on the rest.
The biggest historical filers have gone quiet
Several of the assignees with the deepest portfolios in this space show zero filings in the latest tracked year, including one at -100% year-on-year. That does not mean the technology is exhausted — it means the largest incumbents have shifted filing elsewhere or slowed disclosure.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to titanium alloy processing, with the prior art for and against each one.
| Assignee | Co-assignee | Shared families |
|---|---|---|
| VSMPO-AVISMA Corporation | The Boeing Company | 14 |
| Nippon Steel Corporation | NIPPON STEEL & SUMITOMO METAL CORP | 11 |
| NKK Corporation (Nippon Kokan) | JX Nippon Mining & Metals Corporation | 11 |
| Kobe Steel, Ltd. | Citizen Watch Co., Ltd. | 9 |
| Nippon Steel Corporation | Toho Titanium Co., Ltd. | 4 |
| The Boeing Company | VSMPO AVISMA CORP | 4 |
| ATI Properties | BRYAN DAVID J | 3 |
| NKK Corporation (Nippon Kokan) | NIPPON MFG | 3 |
Only 10 co-assignee pairs appear across the dataset, the strongest linking a titanium producer with an aerospace OEM — a sign that most filings here are single-assignee rather than joint-development disclosures.
Who holds the portfolio depth
Filing volume concentrates among a small set of steelmakers, titanium specialists and aerospace-adjacent manufacturers, with a long tail of single- or few-filing entrants behind them.
Historic leaders have stopped adding new filings
The assignees with the largest cumulative footprints in alpha-beta and hot-working claims show no filings in the most recent tracked year, several with year-on-year drops to zero. That flattens the near-term competitive picture even where cumulative portfolio depth remains largest.
Collaboration is rare and concentrated
Ten co-assignee pairs appear in the dataset. The strongest links a titanium alloy producer with an aerospace manufacturer, and steelmaking groups with their own metals divisions — pairings that reflect supply relationships more than open research consortia.
Portfolio strength splits across four blocs, not one
No single receiving office holds a majority of filings. Assignees with a US-heavy footprint are not necessarily the same ones leading in China or Japan, so a freedom-to-operate check limited to one jurisdiction will miss active portfolios elsewhere.
| Assignee | Recent year | YoY |
|---|---|---|
| ATI Properties | 0 | -100% |
| Nippon Steel Corporation | 0 | — |
| Kobe Steel, Ltd. | 0 | — |
| Sumitomo Metal Industries, Ltd. | 0 | — |
| Titanium Metals Corporation | 0 | — |
| NIPPON STEEL & SUMITOMO METAL CORP | 0 | — |
| VSMPO-AVISMA Corporation | 0 | — |
| NKK Corporation (Nippon Kokan) | 0 | — |
Where to take this
The dataset points to a claim space that rewards precision over volume from here.
Check the forging and extrusion subclasses before filing broad alloy claims
B21J, B21C and B22F each carry a fraction of the volume in C22C and C22F, meaning a process claim drafted narrowly around forging or extrusion parameters faces less crowded prior art than a general alloy composition claim.
Explore white space in EurekaTrack the assignees that have gone to zero, not just the leaders by volume
Several of the deepest legacy portfolios show no filings in the latest year. That shift in activity, not the cumulative ranking, is the leading indicator of where competitive filing pressure is actually moving next.
Monitor assignee momentum in EurekaCommon questions on titanium alloy processing patents
Portfolio depth concentrates among a handful of steelmakers and titanium specialists with long filing histories in alpha-beta alloy and hot-working claims. Several of these same assignees show zero filings in the most recent tracked year, which means cumulative rank and current activity are telling different stories right now. Anyone benchmarking competitors should look at both the all-time ranking and the recent-year momentum figures rather than one alone.
No — filings peaked in 2019 at 84 and have declined in most years since, sitting at 40 by the 2022 midpoint and tracking toward single digits by 2026. Some of that recent drop reflects normal publication lag, since patent applications typically surface in public records around eighteen months after filing. Even accounting for that lag, the multi-year trend points down rather than up, consistent with a claim space that has already been substantially staked out.
C22C (alloys) and C22F (non-ferrous metal treatment) dominate, each covering more than a thousand of the 1,490 records in this dataset. Forging (B21J), powder metallurgy (B22F), heat treatment (C21D), sterilising applications (A61L) and extrusion (B21C) each account for a much smaller share. A freedom-to-operate search limited to C22C and C22F alone would miss active filing in these adjacent but thinner classes.
The United States leads as a receiving office with 329 filings, followed by Europe (EPO) at 267, China at 229 and Japan at 204, with WIPO/PCT and Canada trailing well behind. Because no single office holds a majority, a portfolio built primarily in one jurisdiction can still face unexpected prior art or competing claims filed through a different office. Multi-jurisdiction searching is advisable for any freedom-to-operate check in this field.
That filing, from Kobe Steel, claims an alpha-beta titanium alloy formulated with specific mass-percentage ranges of copper or nickel, aluminium, carbon, and a chromium/iron total, aimed at matching the hot workability of Ti-6Al-4V while improving machinability. Anyone working on a similar alloy needs to check whether their composition falls inside those claimed ranges, particularly the carbon and copper/nickel bands, since narrow numeric ranges like these are exactly where infringement risk concentrates. Alternatives that shift the alloying strategy away from copper/nickel additions, or that target a different property trade-off entirely, sit outside the literal claim scope.
Research Titanium Alloy Processing in depth with Eureka
Go past this page: query the whole titanium alloy processing corpus yourself, in your own scope.
Every answer comes back with patent numbers you can open.
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.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.