Carbon Fiber Reinforced Polymer Additives & Fillers Patent Landscape
Carbon Fiber Reinforced Polymer Additives and Fillers Patent Landscape in 2026
The carbon fiber reinforced polymer (CFRP) additives and fillers patent space is a small but fast-growing field in the Growth stage, with a highly concentrated filing base dominated by EMPAK and a tight cluster of US and Chinese institutions. Annual filings have risen sharply over the multi-year window, and the United States is the lead jurisdiction, though Chinese applicants are closing the gap.
EMPAK leads a concentrated, institution-heavy field
EMPAK holds the top position in this landscape, followed immediately by Apple Inc and Georgia Tech Research Corporation, each with the same count. The top five filers together account for 52% of the hundred largest filers’ combined total — a high concentration figure for so small a corpus.
The tier gap between the leader and the mid-pack is narrow in absolute terms: positions four through nine are each tied at two patent records. This compression means the ranking is fragile and a single new family can reshuffle the order.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | EMPAK | 7 | |
| 2 | Apple Inc. | 6 | |
| 3 | Georgia Tech Research Corporation | 6 | |
| 4 | Genesee Valley Innovations LLC | 2 | |
| 5 | Korea Institute of Materials Science | 2 | |
| 6 | University of Cincinnati | 2 | |
| 7 | Kansas State University Research Foundation | 2 | |
| 8 | The Boeing Company | 2 | |
| 9 | Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences | 2 | |
| 10 | Jiangyin Nanopore Innovative Materials Technology Ltd. | 1 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Jilin University | 1 | |
| 12 | NANJING UNIV OF AERONAUTICS & ASTRONAUTICS | 1 | |
| 13 | Andhra University | 1 | |
| 14 | Zhejiang University | 1 | |
| 15 | State Grid Anhui Electric Power Co., Ltd. | 1 | |
| 16 | Yantai Meifeng Mechanical Group Co., Ltd. | 1 | |
| 17 | Oh Sang-min | 1 | |
| 18 | Anpoly Inc. | 1 | |
| 19 | Palo Alto Research Center Inc. | 1 | |
| 20 | Syensqo Specialty Polymers USA LLC | 1 |
The presence of Apple Inc as a co-leader is notable: their technology focus on digital data processing, displays, and printed-circuit assemblies suggests CFRP additive work in consumer electronics enclosures rather than traditional structural composites, pointing to an emerging application vector that differs from the aerospace and polymer-formulation work of EMPAK and Georgia Tech.
Patent families filed in the most recent 18–24 months are under-represented due to publication lag; recent-period counts should be treated as floor estimates. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity is accelerating and chemistry dominates, with emerging process and digital branches
Annual filing volume and the IPC class distribution together reveal both the pace of entry and the technical directions receiving the most attention in this niche.
Annual filing trend
Filings were low and uneven from 2017 through 2021, then stepped up through 2022–2024. The 2024 bar is the highest on record; the 2025 bar is partial and the 2026 bar is zero — both reflecting publication lag rather than a slowdown. The multi-year growth rate is 180%, confirming this is a Growth-stage field. Do not read the apparent plateau as a peak.
↗ Hover for values · click a bar to ask EurekaTechnology composition
C08K (use of additives in polymers) is the dominant IPC class, followed closely by C08J (polymer processing and solutions) and C08L (polymer compositions). Together these three polymer-chemistry branches account for a substantial share of records. Further down, G06F (digital data processing) and G09F (display/signage) reflect Apple’s electronics-oriented filings and mark an unusual non-structural application cluster. B33Y (additive manufacturing / 3D printing) is present at a low count, signalling early-stage interest in CFRP feedstocks for 3D printing.
↗ 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.
Milled carbon fiber reinforced polymer composition
A milled carbon fiber reinforced polymer having increased abrasion resistive characteristics. The reinforced polymer comprises a base resin selected from the group consisting of polyolefins and polyamides. The base resin is combined with an amount of milled carbon fibers and further may be combined with polytetrafluoroethylene. The resulting composite… (excerpt from the patent abstract)
Open this patent in Eureka →| # | Patent | Citations |
|---|---|---|
| 1 | Milled carbon fiber reinforced polymer composition | 35 |
| 2 | 碳纤维增强聚合物基自润滑材料及其制备方法 | 19 |
| 3 | Low volatility, high efficiency gas barrier coatin… | 15 |
| 4 | 一种碳纤维表面接枝二维网络结构增强聚醚醚酮复合材料及其制备方法 | 11 |
| 5 | 一种高导热短切碳纤维增强聚合物基电阻焊接单元的制备方法 | 10 |
| 6 | Methods of recycling and reshaping thermosetting p… | 9 |
| 7 | Materials and Methods for Nucleating Aligned Therm… | 5 |
| 8 | Methods of recycling and reshaping thermosetting p… | 5 |
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 — shape the investment calculus for any team entering or expanding in this space.
Growth stage: filings rising, space still open
The field is classified as Growth, with a 180% multi-year filing increase and annual volume at or near its 2024 peak. The corpus of 27 patent families is small relative to adjacent polymer and composites fields, meaning claim space is not yet crowded and foundational patents can still be secured. Teams entering now face less prior-art density than in mature composites categories.
Growth stageTop five hold over half of the hundred largest filers’ volume
The top five applicants account for 52% of the hundred largest filers’ combined patent records, with EMPAK, Apple Inc, and Georgia Tech Research Corporation forming the leading tier. The remainder of the ranking is tightly clustered at low counts, meaning no single challenger has yet built a dominant second-tier position. A focused filing programme of even modest scale could move a new entrant into the top five.
High concentrationUniversity of Cincinnati and Kansas State collaborate; ecosystem otherwise fragmented
The only documented co-filing relationship in this corpus is between the University of Cincinnati and Kansas State University Research Foundation, which have jointly filed two patent records. No industry–university or cross-industry co-filing pairs are recorded in the evidence. The absence of broader collaborative networks suggests the ecosystem has not yet consolidated around shared platforms or pre-competitive consortia.
Limited collaborationUS leads; China filing aggressively; EPO and PCT underrepresented
The United States is the lead jurisdiction with 16 patent records, and China follows with 11. South Korea contributes 5 records, while Europe (EPO), India, Singapore, WIPO (PCT), Japan, and Malaysia each register two or fewer. The thin EPO and PCT coverage implies most applicants are not yet pursuing broad international protection, leaving geographic white space in European and multilateral routes for teams with cross-border ambitions.
US + 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 |
|---|---|---|
| University of Cincinnati | Kansas State University Research Foundation | 2 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
EMPAK leads on polymer formulation; Apple enters via electronics applications
The two largest filers occupy distinct technical niches and represent contrasting strategic postures — one incumbent polymer specialist and one non-traditional entrant from consumer electronics.
EMPAK
EMPAK holds 7 patent records, the highest count in the corpus, concentrated in polymer compositions (C08L 23, C08L 77) and polymer processing and solutions (C08J 5). This breadth across formulation and processing classes indicates a vertically integrated IP position. Momentum data for EMPAK is not available in the current evidence set, so trend direction is evidence pending.
7 patent recordsApple Inc
Apple Inc holds 6 patent records and is classified as a new entrant in the momentum data, with 5 recent records — signalling a rapid build-up rather than a gradual accumulation. Their technology focus is concentrated in electric digital data processing (G06F 1), display and signage systems (G09F 9), and printed circuits and assemblies (H05K 1), distinguishing them sharply from traditional CFRP additive players and pointing to CFRP use in electronics housings and device structures.
6 patent records| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Apple Inc. | 5 | ▲ new entrant |
| Georgia Tech Research Corporation | 2 | ▲ new entrant |
| University of Cincinnati | 2 | ▲ new entrant |
| Kansas State University Research Foundation | 2 | ▲ new entrant |
| Oh Sang-min | 1 | ▲ new entrant |
Under-served routes in condensation polymers, shaping processes, and 3D printing
Several IPC branches adjacent to the dominant polymer-chemistry core show relatively sparse coverage in this corpus, representing under-served areas where technical activity exists but dedicated CFRP additive IP is thin.
C08G · Condensation polymers with CFRP additives
C08G (condensation polymers, including epoxies, polyesters, and polyurethanes) accounts for 14 patent records — lower share than the leading chemistry branches. High-performance thermosetting matrices such as epoxy and polyimide are among the most commercially relevant CFRP matrices, yet dedicated additive and filler IP in this sub-class remains sparse relative to the field’s industrial importance. Teams working on toughening agents, compatibilisers, or reactive diluents for condensation-polymer matrices may find claim space available.
Search this in Eureka →B33Y · Additive manufacturing feedstocks for CFRP
B33Y (additive manufacturing / 3D printing) records only 2 patent records in this corpus — a striking sparsity given the rapid commercial growth of continuous and chopped-fibre 3D-printing systems. The convergence of CFRP filler formulation with AM feedstock design is a technically plausible and commercially active area, yet it is nearly absent from this IP landscape. Entry barriers are low given the thin prior-art base, though applicants should benchmark against the broader AM polymer literature outside this specific corpus.
Search this in Eureka →How leading applicants differ by technology route
Strength of each leader across the main technology routes.
| Player | C08J 5 · Polymer processing & solutions | C08K 3 · Use of additives in polymers | C08K 7 · Use of additives in polymers | C08K 5 · Use of additives in polymers | B29K 105 · Plastics moulding materials (index) |
|---|---|---|---|---|---|
| Georgia Tech Research Corporation | Strong · 6 | Absent | Strong · 6 | Strong · 6 | Absent |
| EMPAK Inc. | Strong · 5 | Strong · 3 | Strong · 4 | Absent | Strong · 4 |
| Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences | Strong · 2 | Strong · 2 | Strong · 2 | Absent | Absent |
| Kansas State University Research Foundation | Strong · 2 | Strong · 2 | Absent | Absent | Strong · 2 |
| University of Cincinnati | Strong · 2 | Strong · 2 | Absent | Absent | Strong · 2 |
| Palo Alto Research Center Inc. | Absent | Strong · 3 | Moderate · 1 | Absent | Moderate · 1 |
| The Boeing Company | Strong · 2 | Strong · 2 | Absent | Absent | Absent |
Frequently asked questions
The current evidence covers 27 patent families in scope. This is a small but fast-growing corpus, with a 180% multi-year growth rate placing the field firmly in the Growth lifecycle stage.
EMPAK leads with 7 patent records, focused on polymer compositions and processing. Apple Inc and Georgia Tech Research Corporation each follow with 6 patent records, though in distinct technical niches.
Apple’s filings are concentrated in digital data processing, display systems, and printed-circuit assemblies — suggesting CFRP additive use in consumer electronics enclosures and device structures rather than traditional aerospace or structural composites applications.
The United States leads with 16 patent records, followed by China with 11 and South Korea with 5. Europe (EPO), India, Singapore, WIPO (PCT), Japan, and Malaysia each account for two or fewer records, indicating limited multilateral and European coverage.
The only co-filing relationship in the evidence is between the University of Cincinnati and Kansas State University Research Foundation, who have jointly filed 2 patent records. No industry–university or cross-industry co-filing pairs are recorded in the current evidence.
The evidence points to condensation polymers (C08G, 14 records) as sparse relative to industrial importance, and additive manufacturing feedstocks (B33Y, 2 records) as nearly absent despite active commercial development of chopped- and continuous-fibre 3D printing. Shaping of plastics (B29C, 9 records) and addition polymers (C08F, 9 records) are also lower-share adjacent branches worth monitoring.
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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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