CFRP Carbon-Fiber Recovery Patent Landscape 2026
The CFRP carbon-fiber recovery patent space is small and moderately concentrated, with Toyota Motor Corporation holding the largest individual position and China-registered applicants accounting for the plurality of filings. Annual activity has plateaued near its historical peak, signaling a field that has moved from rapid build-out into a consolidation phase.
Toyota leads a compact, China-weighted field
Toyota Motor Corporation ranks first among all applicants, followed by Georgia Tech Research Corporation and a cluster of aerospace-linked Chinese entities — Boeing. China Investment and the Beijing Aeronautic Science & Technology Research Institute of COMAC — each tied for third place.
The top five filers together account for 46% of the hundred largest filers’ combined total, indicating moderate-to-high concentration for a field of this size. A clear tier gap separates the top two applicants from the remainder, most of whom hold only one or two patent records each.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Toyota Motor Corporation | 8 | |
| 2 | Georgia Tech Research Corporation | 7 | |
| 3 | Boeing China Investment | 4 | |
| 4 | BEIJING AERONAUTIC SCI & TECH RES INST OF COMAC | 4 | |
| 5 | Sanwa Yuka Industries | 3 | |
| 6 | Zhifu Environmental Industry (Jiangsu) Co., Ltd. | 2 | |
| 7 | Huaneng New Energy Co., Ltd. Shanxi Branch | 2 | |
| 8 | The Boeing Company | 2 | |
| 9 | Beijing Huaneng Changjiang Environmental Protection Technology Research Institute | 2 | |
| 10 | Anhui Polytechnic University | 1 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Shanghai Puruite Bantai Material Technology Co., Ltd. | 1 | |
| 12 | South China University of Technology | 1 | |
| 13 | Changzhou Hongfa Zongheng Advanced Material Technology Co., Ltd. | 1 | |
| 14 | Shanghai Aircraft Manufacturing Co., Ltd. | 1 | |
| 15 | EAST CHINA UNIV OF SCI & TECH | 1 | |
| 16 | Shanghai University | 1 | |
| 17 | Jiangsu Haiyu Tengshi Material Technology Co., Ltd. | 1 | |
| 18 | Hyundai Motor Company | 1 | |
| 19 | Nantong Fuyuan New Materials Technology Co., Ltd. | 1 | |
| 20 | Northwestern Polytechnical University | 1 |
Toyota’s lead position, built on polymer-processing routes, and Georgia Tech’s challenger position, anchored in polymer-additive and condensation-polymer chemistry, suggest that incumbents are approaching the problem from distinct technical angles — leaving room for entrants with differentiated process chemistry or equipment designs.
Filings from the most recent 18–24 months are subject to publication lag and should be treated as incomplete; the apparent 2024–2025 figures will rise as applications publish. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Plateaued annual volume; polymer processing dominates the technology mix
Two charts together reveal a field that has been active since 2017 but whose annual rhythm has flattened, alongside a technology mix dominated by a single IPC class with a long tail of adjacent branches.
Annual filing trend
Annual filings have oscillated between five and six records per year since 2017, with no sustained directional growth — consistent with the maturity read. The 2025 figure appears elevated but should be treated cautiously given publication lag; the 2026 column is effectively empty for the same reason.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C08J (polymer processing and solutions) is overwhelmingly the dominant branch, reflecting the centrality of matrix-dissolution and polymer-recovery steps. C08K (use of additives in polymers) and C08L (polymer compositions) form a secondary cluster, while branches covering waste disposal (B09B), plastics preparation (B29B), and fibre features (D01F) each hold small but distinct shares, pointing to complementary process-engineering and fiber-quality concerns.
↗ 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.
Carbon fiber recovery method
A carbon fiber recovery method for recovering carbon fibers from a fiber reinforced plastic member having a carbon fiber reinforced plastic (CFRP) layer on which a glass fiber reinforced plastic (GFRP) layer is formed is provided. This method includes: forming a cut that penetrates through the GFRP layer and reaches the CFRP layer in the fiber reinforced… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 一种碳纤维复合材料回收方法 | 16 |
| 2 | 一种高效回收碳纤维的方法 | 14 |
| 3 | Methods of recycling and reshaping thermosetting p… | 9 |
| 4 | Carbon fiber recovery method | 8 |
| 5 | Carbon fiber recovery method | 8 |
| 6 | Carbon fiber recovery method | 7 |
| 7 | Carbon fiber recovery apparatus of a continuous ca… | 7 |
| 8 | Carbon fiber recovery method | 6 |
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 observations — maturity, concentration, collaboration, and geography — jointly shape where new entrants can find defensible space and where incumbents are most exposed.
Field has plateaued; incremental chemistry gains are the near-term bet
The lifecycle stage is Maturity: annual filings have plateaued near their peak, and the recent-window growth rate is slightly negative. New entrants are unlikely to redefine the field with broad-claim filings; instead, differentiation through specific process conditions, solvent systems, or quality-recovery metrics offers the clearest path to defensible IP.
Maturity stageModerate concentration with a fragmented mid-tier
The top five filers hold 46% of the hundred largest filers’ combined total, but beyond the top two, most applicants hold only one or two patent records. This fragmented mid-tier suggests the field has not yet consolidated around a small oligopoly, leaving space for focused challengers to accumulate meaningful positions in specific sub-routes.
Moderate concentrationThree active co-filing pairs; aerospace and energy sectors driving joint work
The most active co-filing pair is Boeing China Investment with the Beijing Aeronautic Science & Technology Research Institute of COMAC, sharing four joint records — reflecting aerospace-sector interest in closing the CFRP recycling loop for aircraft structures. Toyota Motor Corporation and Sanwa Yuka Industries share three joint records, combining automotive-OEM demand with specialty-chemical process expertise. Huaneng New Energy (Shanxi Branch) and Beijing Huaneng Changjiang Environmental Protection Technology Research Institute share two joint records, adding a renewable-energy/waste-management dimension.
Cross-sector co-filingChina is the primary filing jurisdiction; US and Japan are secondary
China accounts for the largest share of patent records among all jurisdictions, followed by the United States and Japan. Europe (EPO), the United Kingdom, and WIPO each hold a small number of records, indicating that international protection strategies outside Asia remain underdeveloped for most applicants. R&D teams targeting the European aerospace recycling market may find the EPO coverage thin relative to commercial interest.
China-led geographyGo 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 |
|---|---|---|
| Boeing China Investment | Beijing Aeronautic Science & Technology Research Institute of COMAC | 4 |
| Toyota Motor Corporation | Sanwa Yuka Industries | 3 |
| Huaneng New Energy Co., Ltd. Shanxi Branch | Beijing Huaneng Changjiang Environmental Protection Technology Research Institute | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Toyota leads on process chemistry; Georgia Tech challenges on polymer-additive routes
The two largest filers approach recovery from distinct technical directions, creating a competitive dynamic defined more by chemistry differentiation than by head-to-head overlap.
Toyota Motor Corporation
Toyota Motor Corporation holds 8 patent records — the largest position in the corpus — concentrated heavily in C08J 11 (polymer processing and solutions), with secondary coverage in B29B 17 (plastics preparation) and B09B 3 (solid waste disposal). Its collaboration with Sanwa Yuka Industries on three joint records reinforces a strategy that links automotive end-of-life demand with dedicated chemical-processing capability. No momentum trend figure is available in the evidence for Toyota’s recent-period trajectory.
patent records: 8Georgia Tech Research Corporation
Georgia Tech Research Corporation holds 7 patent records and is flagged as a new entrant in the applicant momentum data, with 2 recent records signaling a nascent but active program. Its technical focus is distinctive: C08K 7 (use of additives in polymers), C08F 4 (addition polymers), and C08G 63 (condensation polymers) — a chemistry-first, materials-science approach that differs markedly from Toyota’s process-engineering emphasis. If this trajectory continues, Georgia Tech could close the gap with the leader.
patent records: 7| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Georgia Tech Research Corporation | 2 | ▲ new entrant |
| Zhifu Environmental Industry (Jiangsu) Co., Ltd. | 2 | ▲ new entrant |
Under-served branches adjacent to the dominant chemistry cluster
Several IPC branches appear at low share relative to the dominant C08J cluster; these are observations of relative sparsity that may warrant further technical assessment before being treated as investment targets.
B09B · Solid waste disposal
B09B (solid waste disposal) holds only 6 patent records and a 5% share of branch coverage, despite being the regulatory and logistical gateway for CFRP end-of-life streams. The technical gap here likely relates to pre-processing, collection, and sorting infrastructure rather than recovery chemistry — an area where waste-management specialists rather than materials companies might have comparative advantage. Applicants already active in C08J recovery who extend into B09B process design could strengthen freedom-to-operate across the full value chain.
Search this in Eureka →D01F · Chemical filament & fibre features
D01F (chemical filament and fibre features) holds 5 patent records and a 4% branch share, pointing to a relative shortage of filings focused on characterizing or certifying the quality of recovered fiber. As recovered-fiber specifications become more critical for aerospace and automotive requalification, IP covering fiber surface chemistry, tensile retention, and sizing re-application could become commercially important. Entry via fiber-characterization methods or surface-treatment protocols is a plausible technical path for materials-science teams.
Search this in Eureka →Frequently asked questions
The corpus covers 42 patent families in scope. The field is compact relative to adjacent materials-recycling domains, reflecting the still-emerging commercial scale of CFRP end-of-life volumes.
Toyota Motor Corporation leads with 8 patent records, focused primarily on polymer processing and solutions (C08J 11), followed by Georgia Tech Research Corporation with 7 patent records emphasizing polymer-additive and condensation-polymer chemistry.
The field is assessed as Maturity: annual filings have plateaued near their historical peak, and the recent-window growth rate is slightly negative. This suggests the foundational IP positions have largely been established, and new filings are more likely to be incremental.
China leads all jurisdictions in patent-record count, followed by the United States and Japan. Europe (EPO), the United Kingdom, and WIPO each hold a small number of records, indicating limited international protection strategies outside Asia among most applicants.
Three co-filing pairs are active: Boeing China Investment with the Beijing Aeronautic Science & Technology Research Institute of COMAC (4 joint records), Toyota Motor Corporation with Sanwa Yuka Industries (3 joint records), and Huaneng New Energy (Shanxi Branch) with Beijing Huaneng Changjiang Environmental Protection Technology Research Institute (2 joint records).
B09B (solid waste disposal) and D01F (chemical filament and fibre features) are among the lowest-coverage branches relative to the dominant C08J cluster, with 6 and 5 patent records respectively. These represent observations of relative sparsity; their commercial relevance depends on technical fit and entry path, which require independent assessment.
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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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