Lithography Vibration Control Patents: Leaders & White Space 2026
- Filing has plateaued, not grown. the field peaked at 100 records in 2025 after sitting flat around 35 a year through the early 2020s — this is an occupied space, not an accelerating one.
- No single company controls the field. the leading assignee holds 49 of 1,184 records, and the top 5 combined account for just 14.8% of all records in scope.
- China now files more than the US. 292 records route through China versus 277 through the United States, with Europe, WIPO, Japan and India trailing well behind.
What this landscape covers
This dataset tracks patent activity at the intersection of vibration control, thermal stability and acoustic isolation as applied to lithography tool environments — the floor stiffness, airflow and temperature-control problems that determine whether a tool can hold nanometer-level positioning. The 1,184 records in scope span filings from 2015 through mid-2026, drawn from search terms anchored on lithography tool environment claims alongside the supporting materials and process classes that make those claims work.
Because publication trails filing by roughly 18 months, the most recent filing year in this dataset is necessarily undercounted — 2026 figures will rise as later filings publish. The technology composition leans heavily on polymer chemistry classes (condensation and addition polymers, polymer compositions and additives) alongside materials analysis and testing, which signals that a large share of the claim activity here is about the materials and coatings used to achieve isolation and stability, not just mechanical isolation hardware itself.
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Filing trend and technology composition
Two views of the same 1,184 records: how filing volume has moved year over year, and which IPC subclasses carry the claim density.
Filing trend, 2017-2026
Filings ran at 35 in 2017 and sat near that level through 2022 before climbing to a peak of 100 in 2025; 2026 shows 18 so far, but that is a partial year still filling in. The flat midpoint suggests this is a mature, cyclically active field rather than one in early growth.
IPC subclass composition
Condensation polymers (C08G, 11.7% of records) and addition polymers (C08F, 10.8%) lead the composition, followed by polymer compositions, catalysis and process classes, and materials testing (G01N, 7.3%). Each record can carry several IPC classes, so these shares sum to more than 100% of the 1,184 records — the overlap itself shows how tightly materials chemistry and process/testing classes are coupled in this space.
Shares are the percentage of the 1,184 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Vibration and Environmental Control for Lithography Tools with Eureka
This page is one run against one query. Ask Eureka your own question about vibration and environmental control for lithography tools and every answer comes back with the patent numbers behind it.
Try EurekaMost-cited records and a representative filing
US20120072046A1 — Temperature Control System
Filed by Softbox Systems, this record describes a transport container fabricated as it is loaded, providing mechanical and thermal stability for temperature-sensitive cargo such as food and pharmaceutical products moved by aircraft. It is representative of the container-level thermal stability claims that sit adjacent to, rather than inside, the tool-level vibration and thermal control problem this landscape is centred on.Abstract truncated; full claim set available in Eureka.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US5246782A | Laminates of polymers having perfluorocyclobutane rings and polymers containing perfluorocyclobutane rings | 289 |
| 2 | US5354484A | Phosphorus-containing lubricant and functional fluid compositions | 257 |
| 3 | US20070298006A1 | Dendritic Polymers With Enhanced Amplification and Interior Functionality | 254 |
| 4 | US5225561A | Source reagent compounds for MOCVD of refractory films containing group IIA elements | 199 |
| 5 | US5950543A | Evacuated tube transport | 198 |
| 6 | US5409777A | Laminates of polymer shaving perfluorocyclobutane rings | 168 |
| 7 | US5280012A | Method of forming a superconducting oxide layer by MOCVD | 165 |
| 8 | US5730922A | Resin transfer molding process for composites | 151 |
| 9 | WO2006115547A2 | Dendritic polymers with enhanced amplification and interior functionality | 108 |
| 10 | US3988263A | Thermally stable coprecipitated catalysts useful for methanation and other reactions | 106 |
Citation counts favour older records simply because they have had longer to accumulate citations inside this corpus — read them as a signal of influence on the field, not as a ranking of current importance.
Each row carries its publication number; clicking a row searches Eureka by that number.
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Browse MCP servers →What the numbers mean for a filing decision
Three patterns stand out once volume, concentration and geography are read together.
Leadership is real but not dominant
The leading assignee holds 49 records against a field of 1,184, and the next four combined still only bring the top 5 to 14.8% of all records in scope. That leaves the bulk of the field — well over 80% — spread across a long tail of single- and few-filing entrants, which is the signature of a field with occupied core claims but plenty of room for differentiated filings around the edges.
Activity plateaued, then spiked late
Filing sat flat around the 2022 midpoint before climbing to its peak in 2025. Several of the most-established assignees show zero filings in the latest year, suggesting the recent spike came from newer or more active entrants rather than the historic leaders re-accelerating.
China now leads the receiving-office count
China's 292 filings edge out the United States' 277, with Europe (158), WIPO (79), Japan (71) and India (59) forming a second tier. A filing strategy built only around US and EPO coverage would miss the office now receiving the largest single share of this field's activity.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to vibration and environmental control for lithography tools, with the prior art for and against each one.
Who is filing, and where the gaps sit
The ranked leaders span materials companies and diversified chemical firms rather than lithography equipment makers themselves, which reflects how much of this landscape's claim density sits in the supporting materials and testing classes.
A single leader, no runaway share
The top assignee's 49 records out of 1,184 is a meaningful lead over rank five (21 records) and rank ten (13 records), but it is nowhere near a controlling share of the field. Freedom-to-operate work here needs to check the leader's portfolio specifically rather than assume broad blocking coverage.
Collaboration is limited and concentrated
Only ten co-assignee pairs appear across the dataset, and the strongest of them link a small number of repeat partners rather than pointing to a broad collaboration network. Most filings in this field are single-assignee efforts.
Historic leaders have gone quiet recently
Several of the longest-standing assignees in the ranking show no filings in the most recent year, even as the field overall peaked in 2025. That gap is worth watching: either those portfolios are mature and defensive, or newer entrants are picking up the filing pace instead.
| Assignee | Recent year | YoY |
|---|---|---|
| Dendritic Nano Tech Inc | 0 | — |
| Softbox Systems Ltd | 0 | — |
| Versalis SpA | 0 | — |
| The Dow Chemical Company | 0 | — |
| LG Chem Ltd | 0 | — |
| The Boeing Company | 0 | — |
| Kanagawa University | 0 | — |
| National Research Council of Canada | 0 | — |
Where to take this from here
The dataset points to a field with an established core and thinner edges — the next steps depend on whether the goal is freedom-to-operate, whitespace filing, or tracking a specific competitor.
Run a freedom-to-operate check against the leader
With the top assignee holding 49 of 1,184 records and no single company controlling the field, a targeted FTO search against that one portfolio is more useful than a broad landscape re-read.
Check claims in EurekaTest a claim in the under-claimed branches
Airflow-induced vibration and floor stiffness compliance sit outside the dense materials-chemistry core; drafting a first claim there and searching it against the full corpus will show quickly whether it is genuinely open.
Draft and search a claim in EurekaTrack the assignees that went quiet
Several established filers show zero activity in the latest year while overall filing peaked in 2025 — worth monitoring whether that is portfolio maturity or a shift to newer entrants.
Set up assignee tracking in EurekaCommon questions on this landscape
The dataset ranks 100 assignees by record count, with the leader holding 49 of the 1,184 records in scope. The top 5 combined account for 14.8% of all records, and the top 10 combined reach 21.5% — meaningful but not dominant shares. That leaves most of the field spread across a long tail of companies with only a handful of filings each, so a single-leader view of this space would be misleading.
Filing volume was flat through the early part of the tracked period, sitting near 35 records a year around the 2022 midpoint, then rose to a peak of 100 records in 2025. The 2026 figure of 18 looks like a drop-off, but publication typically lags filing by about 18 months, so the most recent year is always undercounted and should not be read as a real decline yet.
China leads with 292 receiving-office filings, narrowly ahead of the United States at 277. Europe follows at 158, WIPO (PCT) at 79, Japan at 71 and India at 59. A filing or watch strategy limited to the US and Europe would miss the office currently receiving the largest share of activity in this field.
US20120072046A1, assigned to Softbox Systems, describes a temperature control system for a transport container fabricated as it is loaded, aimed at protecting temperature-sensitive cargo such as food and pharmaceutical products in transit. Its claims sit at the level of a shipping container's thermal stability, not a lithography tool's environmental enclosure, so it is a useful reference point for container-level thermal design but is unlikely to directly block tool-level vibration or acoustic isolation claims. Anyone citing it should check the specific claim language on container fabrication and loading sequence rather than assume broad thermal-control coverage.
The technology composition is concentrated in polymer materials classes (condensation and addition polymers, polymer compositions and additives) and in materials testing, which together account for the largest shares of the 1,184 records. Branches like airflow-induced vibration damping, floor stiffness requirement compliance and active thermal feedback control loops show up far less in the core classes, making them worth a targeted search before assuming they are occupied. A thinner class presence is not proof of open space on its own, but it is the right place to start a novelty search.
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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.
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.