FinFET High-Volume Manufacturing Patent Snapshot
Taiwan Semiconductor Manufacturing Co. (TSMC) accounts for the overwhelming share of patent activity in FinFET high-volume manufacturing, creating an exceptionally concentrated field with limited effective competition. Annual filing volume has eased markedly from its 2020 peak, signaling a mature, post-peak phase where incumbents consolidate rather than expand.
TSMC leads a heavily concentrated field with minimal challenger presence
TSMC sits at the top of the applicant ranking by a substantial margin, reflecting the company’s foundry-centric role in translating FinFET research into production-ready intellectual property. GlobalFoundries US and Applied Materials each occupy a distant second tier, with significantly fewer patent records apiece.
The top five filers collectively account for 96% of the combined total among the ranked applicants visible in this query — an extreme concentration ratio that leaves almost no room for mid-tier players. The gap between TSMC and the next-ranked applicant is large enough that the field effectively has one visible anchor and a sparse set of specialists.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Taiwan Semiconductor Manufacturing Co., Ltd. | 40 | |
| 2 | GlobalFoundries US Inc. | 3 | |
| 3 | Applied Materials Inc. | 3 | |
| 4 | International Business Machines Corporation | 2 | |
| 5 | GlobalFoundries Inc. | 2 | |
| 6 | 58th Research Institute of CETC | 1 | |
| 7 | Silicon Storage Technology Inc. | 1 |
TSMC’s position implies that core process IP for FinFET high-volume manufacturing is substantially locked up in a single organization. Challengers seeking to operate in this space face either design-around requirements or licensing negotiations with the leader, while equipment suppliers such as Applied Materials occupy a narrow but defensible adjacent niche.
Filing counts for the most recent periods should be treated with caution; publication lag typically causes the last 18–24 months of data to under-represent true activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity peaked in 2020 and has since eased; semiconductor device processing dominates the technology mix
Annual filings rose to a local peak in 2020 before declining sharply, and the technology composition is heavily weighted toward semiconductor device fabrication processes, with memory-related branches holding a secondary position.
Annual filing trend
The trend reached its highest annual count in 2020, after which filings dropped. Years from 2024 onward should be read as preliminary figures subject to publication lag rather than confirmed low activity.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01L (semiconductor devices) accounts for the visible share of IPC classifications, reflecting the process-engineering focus of the corpus. H10B (memory device manufacture) and H10D (semiconductor devices, general) form a meaningful secondary layer, while G11C (static and digital memories) is notably sparse — representing just one patent record.
↗ 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.
Structure and Method for SRAM FinFET Device
The present disclosure provides an embodiment of a fin-like field-effect transistor (FinFET) device. The device includes a substrate having an n-type FinFET (NFET) region and a p-type FinFET (PFET) region. The device also includes a first and a second fin structures over the substrate in the NFET region and a third fin structure over the substrate in the… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Self-aligned epitaxy layer | 61 |
| 2 | FinFET Device with High-K Metal Gate Stack | 44 |
| 3 | Method and structure for finfet device | 44 |
| 4 | Method and structure for FinFET device | 23 |
| 5 | Methods of forming isolated germanium-containing f… | 18 |
| 6 | Methods of forming isolated germanium-containing f… | 16 |
| 7 | Structure and method for finfet device | 14 |
| 8 | Structure and Method for SRAM FinFET Device | 14 |
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.
Taiwan Semiconductor Manufacturing Co.
TSMC’s 40 patent records span H01L 21, H01L 29, and H01L 27 — covering process integration, device structures, and circuit-level integration respectively. This broad H01L footprint reflects TSMC’s role as the primary architect of production-qualified FinFET flows. Recent momentum shows a 58% decline in filings versus the prior period, consistent with the field’s post-peak maturity rather than a strategic retreat.
patent records: 40Applied Materials Inc.
Applied Materials holds 3 patent records spread across H01L 21, H01L 29, and H10P 14, reflecting its equipment-supplier angle — specifically deposition and etch processes enabling FinFET formation and, notably, an H10P focus that distinguishes its profile from pure-logic FinFET filers. As a new entrant in the momentum data, its recent filing activity represents a small-base signal worth monitoring.
patent records: 3Frequently asked questions
Taiwan Semiconductor Manufacturing Co. (TSMC) leads the ranking with 40 patent records, far ahead of the next-ranked filers, GlobalFoundries US and Applied Materials, which each hold 3 patent records.
The field is in a Decline stage. Annual filings peaked in 2020 and have eased substantially since then, indicating that core process IP is largely established and the rate of new invention in this specific domain has slowed.
The United States is by far the visible filing jurisdiction with 48 patent records. China and WIPO (PCT) each account for 1 patent record, making this corpus almost exclusively US-centric.
Yes, one collaboration pair is recorded: GlobalFoundries and IBM co-filed 2 patent records. No other co-applicant relationships appear in the evidence, suggesting the ecosystem innovates largely through independent filings.
G11C (static and digital memories) holds only 1 patent record, making it the sparsest branch in the corpus. H10P (power and specialty semiconductor devices) is a secondary branch primarily held by Applied Materials rather than TSMC, suggesting it is less densely claimed by the field’s anchor.
The highest-cited work by citation count covers topics including self-aligned epitaxy layers, FinFET devices with high-K metal gate stacks, general FinFET method and structure patents, isolated germanium-containing FinFET formation methods, and SRAM FinFET device structures. Patent numbers are available in the PatSnap Eureka source records.
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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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