CFRP Laminate Topology Optimization Patent Snapshot
The patent evidence snapshot for CFRP laminate topology optimization is extremely sparse, with only 5 patent families in scope and no single dominant applicant holding more than one record. Activity peaked in 2019 and again showed a small uptick in 2025, but overall annual volume has eased, placing the field in a decline lifecycle stage with significant room for structured R&D entry.
A fragmented, early-stage field with no clear leader
No single applicant commands the evidence snapshot: eight applicants each hold one patent record, and the top five filers collectively account for 63% of the top ranked applicants visible in this query’ combined total — a high apparent concentration driven purely by the tiny corpus size rather than any sustained investment program.
The field shows no tier gap in the conventional sense. All ranked applicants are tied at one patent record each, spanning individual inventors in India, a Saudi Arabian university, and Chinese industrial and research entities. This flat distribution signals that no organization has yet made a sustained commitment to this intersection of CFRP laminate design and topology optimization.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | MR SOLAIYAPPAN K | 1 | |
| 2 | King Abdulaziz University | 1 | |
| 3 | MR PRAVEEN R | 1 | |
| 4 | MR P ARUNKUMAR | 1 | |
| 5 | MS THANISKA R | 1 | |
| 6 | Chengdu Kaize Technology Co., Ltd. | 1 | |
| 7 | Nuclear Industry Eighth Research Institute | 1 | |
| 8 | Jiangsu Hengrui Carbon Fiber Technology Co., Ltd. | 1 |
The absence of a visible incumbent means there is no entrenched IP moat to navigate, but it also means the field lacks the validation that comes from sustained corporate investment. Entries by King Abdulaziz University and the Nuclear Industry Eighth Research Institute suggest academic and state-backed interest rather than commercial scale-up.
The most recent filing period may be under-represented due to standard publication lag of 18–24 months; the 2025 data point should be treated as a floor rather than a ceiling. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Intermittent filing activity and a computational-methods-heavy technology mix
Annual filings have been episodic rather than sustained, with the field registering activity in only four of the ten years observed. The technology composition skews toward computational methods, reflecting the simulation-driven nature of topology optimization applied to composite laminates.
Annual filing trend
Filings first appeared in 2019, with isolated activity in 2020 and 2023, and a small two-record uptick in 2025. The lifecycle evidence places the field in decline, meaning annual volume has eased from the 2019 peak. The 2025 data should be treated cautiously given publication lag.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G06F (electric digital data processing) is the visible IPC class, reflecting the computational core of topology optimization workflows. B32B (layered products and laminates) appears as the second branch, directly covering laminate structures. Smaller presences in B29C (shaping of plastics), B64C (aeroplanes and helicopters), and G16C (computational chemistry) indicate nascent application-domain extensions. The A01C (planting and sowing) classification is an apparent anomaly likely tied to a mis-classified or dual-use filing.
↗ 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.
Bio-inspired composite laminate design with high o…
Bio-inspired carbon fiber reinforced polymer (CFRP) composite laminates are provided. The CFRP laminates display high out-of-plane strength and ductility due to the incorporation of defects (e.g. areas of delamination) which are purposefully introduced into the laminate layers. (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 一种复合材料汽车B柱的设计方法 | 5 |
| 2 | Bio-inspired composite laminate design with high o… | 3 |
| 3 | 一种碳纤维复合材料的设计优化方法、系统和介质 | 1 |
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.
Assignee snapshot from the current evidence set
The applicants below are visible in this query result. Because the evidence set is relatively small, read this section as a directional snapshot rather than a full competitive ranking.
Nuclear Industry Eighth Research Institute
The Nuclear Industry Eighth Research Institute holds one patent record and is the only applicant flagged as a new entrant with upward momentum in the most recent period. Its technology focus is entirely within G06F (electric digital data processing), specifically sub-classes G06F 111, G06F 113, and G06F 119, indicating a computational simulation approach to topology optimization rather than a materials or manufacturing angle. As a state-affiliated Chinese research institute, its entry may signal growing institutional interest in applying optimization methods to high-performance composites in defense-adjacent sectors.
patent records: 1King Abdulaziz University
King Abdulaziz University holds one patent record with a technology focus concentrated in B32B (layered products and laminates), specifically sub-classes B32B 5, B32B 19, and B32B 37. This positions the university at the materials and laminate-structure end of the technology spectrum, complementary to the computational focus of the Chinese institutional filers. No momentum trend is recorded for this applicant beyond its single filing.
patent records: 1Frequently asked questions
The evidence identifies 5 patent families in scope globally. This is an extremely small corpus, indicating the intersection of CFRP laminate design and topology optimization remains a very early-stage or niche area of patenting activity.
No single applicant leads by volume. Eight applicants each hold one patent record, including individual inventors (MR SOLAIYAPPAN K, MR PRAVEEN R, MR P ARUNKUMAR, MS THANISKA R), King Abdulaziz University, Chengdu Kaize Technology Co., Ltd., the Nuclear Industry Eighth Research Institute, and Jiangsu Hengrui Carbon Fiber Technology Co., Ltd.
China accounts for the majority of patent records, with three records filed in Chinese jurisdictions. India and the United States each have one record. The Saudi Arabian applicant (King Abdulaziz University) is also represented, though its filing jurisdiction is not separately listed.
The lifecycle evidence classifies the field as in decline, with annual filings having eased back from a peak in 2019. A small uptick of two records appeared in 2025, but this is insufficient to reclassify the trend. Publication lag means the 2025 figure may rise modestly as more applications publish.
G06F (electric digital data processing) is the visible class with three patent records, reflecting the computational simulation core of topology optimization. B32B (layered products and laminates) follows with two records. B29C, B64C, C08G, and G16C each appear once, indicating nascent activity in manufacturing, aerospace, polymer chemistry, and computational chemistry applications.
No co-applicant relationships have been detected in the evidence. All filings appear to be solo efforts by individual inventors or single institutional applicants. This absence of collaboration is consistent with the early-stage, fragmented nature of the field.
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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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