Thermal Interface Material Patent Landscape 2026
Thermal Interface Material Patent Landscape in 2026
The thermal interface material patent field is moderately concentrated, with Intel Corp leading and the top five filers accounting for 27% of the hundred largest filers’ combined total. Activity peaked in 2021 and has since eased, placing the field in a post-peak stage even as heat-exchanger and semiconductor-packaging routes remain the dominant technical axes.
Intel leads a moderately concentrated field with a clear tier gap below the top three
Intel Corp sits at the top of the applicant ranking, followed closely by Shinko Electric Industries and IBM, with Samsung Electronics and Qualcomm rounding out the top five. The top five filers hold 27% of the combined output of the hundred largest filers, signalling moderate but not extreme concentration.
A meaningful tier gap separates the top three from the rest of the ranking. Shinko Electric’s count places it within striking distance of Intel, while IBM is not far behind, suggesting a genuine three-way contest at the front. Below the top five, counts drop off steadily, indicating that no single challenger is positioned to threaten the leaders in the near term without a significant change in filing pace.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Intel Corporation | 128 | |
| 2 | Shinko Electric Industries Co., Ltd. | 117 | |
| 3 | IBM (International Business Machines Corporation) | 92 | |
| 4 | Samsung Electronics Co., Ltd. | 55 | |
| 5 | Qualcomm Incorporated | 54 | |
| 6 | Dana Canada Corporation | 49 | |
| 7 | Cooligy Inc. | 41 | |
| 8 | General Electric Company | 37 | |
| 9 | ThermoTek Inc. | 32 | |
| 10 | Foxconn Technology Co., Ltd. | 32 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Huawei Technologies Co., Ltd. | 29 | |
| 12 | CoolIT Systems Inc. | 25 | |
| 13 | Accelsius LLC | 24 | |
| 14 | B/E Aerospace Inc. | 23 | |
| 15 | Sheetak Inc. | 22 | |
| 16 | 3M Innovative Properties Company | 21 | |
| 17 | Honeywell International Inc. | 21 | |
| 18 | Gentherm Incorporated | 21 | |
| 19 | Hewlett Packard Enterprise Development LP | 19 | |
| 20 | Signify Holding B.V. | 18 |
Intel’s and IBM’s positions reflect deep integration of thermal management into semiconductor packaging and digital data-processing architectures. Shinko Electric’s near-parity with Intel, concentrated almost entirely in heat-exchange apparatus, shows that a specialist route can match a broad technology player at the top of the ranking.
Filing counts for 2024 and especially 2025–2026 are under-counted due to standard patent publication lag; the apparent recent dip should not be read as a structural retreat by any applicant. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Annual volume peaked in 2021 and has eased; heat-exchange apparatus dominates the technology mix
Two views of the corpus reveal a field that built steadily from 2017 to a 2021 peak and then moderated, while its technology composition is anchored by heat-exchange apparatus with a broad secondary cluster spanning semiconductor, printed-circuit, and refrigeration classes.
Annual filing trend
Filings climbed from 155 records in 2017, dipped in 2018, then rose to a peak of 187 in 2021 before stepping down through 2022–2024. The 2025 and 2026 bars are materially under-counted due to publication lag and should not be interpreted as a continuation of decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
F28D (heat-exchange apparatus) is by far the largest IPC class, followed by H01L (semiconductor devices), F25B (refrigeration and heat pumps), H05K (printed circuits and assemblies), and F28F (heat-exchanger details). This clustering shows that thermal interface material innovation is tightly coupled to electronics packaging and active cooling system design, with smaller but notable activity in data-processing (G06F), pump engineering (F04D), and battery/cell applications (H01M).
↗ 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.
Application and removal of thermal interface mater…
A method, system and apparatus are described. The apparatus includes a first device to adjust a polarity associated with a thermoelectric (TEC) module. The adjustment is to control the flow of heat. The flow of heat is directed toward a thermal interface material (TIM) in order to melt the TIM up to an acceptable melt level. The apparatus further includes a… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Method and apparatus for efficient vertical fluid … | 218 |
| 2 | Cooling systems incorporating heat exchangers and … | 212 |
| 3 | Cooled electrical system for use downhole | 197 |
| 4 | Liquid cooled condensers for loop heat pipe like e… | 187 |
| 5 | Method and apparatus for flexible fluid delivery f… | 187 |
| 6 | Vapor escape microchannel heat exchanger | 184 |
| 7 | Thin film thermoelectric devices for hot-spot ther… | 180 |
| 8 | Interwoven manifolds for pressure drop reduction i… | 176 |
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 patent structure means for R&D investment decisions
The field’s post-peak lifecycle, moderate concentration, and dominant heat-exchanger axis each carry specific implications for teams evaluating where to allocate resources.
Post-peak field: 2021 was the high-water mark
The lifecycle stage is Decline, with annual filings easing back from the 2021 peak of 187 records. This does not mean the technology is exhausted; it signals that foundational heat-exchanger and packaging approaches are maturing and that differentiation now requires either deeper specialisation or entry into adjacent branches such as battery thermal management or solid-state thermoelectrics. Teams entering now face a well-occupied core but identifiable peripheral white space.
Lifecycle: DeclineModerate concentration with a genuine three-way contest at the top
The top five filers hold 27% of the hundred largest filers’ combined total, a moderate share that leaves meaningful room for challengers. The gap between Intel, Shinko Electric, and IBM is narrow, while counts fall off noticeably below rank five. A new entrant with a focused filing programme in an under-served branch could realistically reach the second tier without displacing the leaders in their core routes.
Moderate concentrationLimited co-filing activity; Foxconn entities are the most active co-filers
The most active co-filing pair identified is Hon Hai Precision Industry (Foxconn Technology) and its Shenzhen affiliate Fu Zhun Precision Industry, with eight joint records. IBM and King Abdulaziz City for Science and Technology share one co-filed record, as do Samsung Electronics and TTM Limited. The sparse collaboration network suggests the field is dominated by proprietary, in-house development rather than consortium-style R&D, which may limit cross-licensing opportunities but also leaves inter-company partnerships as a relatively untapped strategic lever.
Low collaborationUS-centric filing with meaningful EPO, PCT, and China presence
The United States is the dominant filing jurisdiction by a wide margin, followed by EPO, WIPO PCT, China, Germany, and Japan. Australia, Canada, India, and Taiwan each show material activity, reflecting global commercial interest in electronics cooling. The relatively lower China count compared to US activity suggests an opportunity to strengthen protection in a fast-growing electronics manufacturing market, particularly for applicants seeking to compete in EV thermal management.
US-dominant, global spreadGo 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 |
|---|---|---|
| Hon Hai Precision Industry Co., Ltd. (Foxconn Technology) | Fu Zhun Precision Industry (Shenzhen) Co., Ltd. | 8 |
| IBM (International Business Machines Corporation) | King Abdulaziz City for Science and Technology (KACST) | 1 |
| Samsung Electronics Co., Ltd. | TTM Limited | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Intel and Shinko Electric lead on volume; Huawei and IBM show contrasting momentum
The top two applicants are separated by only 11 patent records, but their technology emphasis and recent momentum differ substantially. A second tier of IBM, Samsung, and Qualcomm adds depth to the competitive field.
Intel Corp
Intel leads with 128 patent records, spanning heat-exchange apparatus (F28D 15), semiconductor packaging (H01L 23), and printed-circuit assemblies (H05K 7) — a balanced multi-route portfolio tightly aligned with chip cooling. Recent momentum is sharply negative at –79% versus the prior three-year window, indicating that Intel’s filing activity in this space has contracted significantly, possibly reflecting a shift toward internalised cooling IP or portfolio rationalisation.
patent records: 128Shinko Electric Industries
Shinko Electric Industries holds 117 patent records, concentrated almost entirely in F28D 15 (heat-exchange apparatus), with secondary activity in H05K 7 and H01L 23. Its recent momentum is stable at –4%, making it the most consistent high-volume filer in the corpus. This steady output from a specialist in semiconductor substrate and heat-pipe technology positions Shinko as the most durable near-term rival to Intel’s top rank.
patent records: 117| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Shinko Electric Industries Co., Ltd. | 44 | ▬ -4% |
| Intel Corporation | 7 | ▼ -79% |
| IBM (International Business Machines Corporation) | 3 | ▲ new entrant |
| Qualcomm Incorporated | 2 | ▼ -85% |
| Dana Canada Corporation | 2 | ▼ -92% |
| Samsung Electronics Co., Ltd. | 8 | ▼ -38% |
| General Electric Company | 2 | ▲ new entrant |
| Huawei Technologies Co., Ltd. | 9 | ▲ new entrant |
Under-served adjacent branches in digital processing, solid-state devices, and battery thermal management
Several IPC classes appear in this corpus at relatively low share, sitting adjacent to the dominant heat-exchanger core. These observations of relative sparsity are worth examining for technical fit and entry feasibility, though they are not validated commercial opportunities.
H01M · Batteries, cells & fuel cells
H01M accounts for just 1% share among the whitespace branches identified, yet battery thermal management is a technically urgent problem — lithium-ion and solid-state cells require precise interface materials to control temperature gradients and prevent thermal runaway. Dana Canada’s focus on H01M 10 shows a viable precedent for a heat-exchanger specialist pivoting into battery cooling. An entrant with composite thermal interface material expertise and EV-sector relationships could address this branch with a differentiated filing programme.
Search this in Eureka →H10N · Other electric solid-state devices
H10N (solid-state thermoelectric and related devices) holds a 2% share, reflecting modest patent activity relative to its engineering relevance. Thin-film thermoelectric hot-spot management is cited in the most-referenced patents of this corpus, suggesting the underlying science is established but the IP position remains sparse. A materials or semiconductor team with thermoelectric expertise could find relatively open ground here, particularly for spot-cooling of advanced packaging or photonics modules.
Search this in Eureka →How leaders differ by technology route across heat-exchange, semiconductor, and printed-circuit axes
Strength of each leader across the main technology routes.
| Player | F28D 15 · Heat-exchange apparatus | H05K 7 · Printed circuits & assemblies | H01L 23 · Semiconductor devices | F25B 21 · Refrigeration & heat pumps | F28F 3 · Heat-exchanger details |
|---|---|---|---|---|---|
| Intel Corporation | Strong · 61 | Strong · 37 | Strong · 52 | Moderate · 24 | Absent |
| Shinko Electric Industries Co., Ltd. | Strong · 117 | Emerging · 17 | Emerging · 15 | Absent | Emerging · 9 |
| IBM (International Business Machines Corporation) | Strong · 57 | Strong · 48 | Moderate · 22 | Absent | Emerging · 11 |
| Cooligy Inc. | Strong · 42 | Moderate · 14 | Strong · 42 | Absent | Strong · 30 |
| Samsung Electronics Co., Ltd. | Strong · 40 | Strong · 36 | Strong · 26 | Absent | Absent |
| Qualcomm Incorporated | Strong · 44 | Moderate · 17 | Strong · 30 | Absent | Absent |
| CoolIT Systems Inc. | Strong · 20 | Absent | Strong · 19 | Absent | Strong · 20 |
Frequently asked questions
The corpus covers 1,193 patent families. Applicant rankings within that corpus are reported at the patent-record level, which can exceed the family total because a single family may generate records in multiple jurisdictions.
Intel Corp leads with 128 patent records, followed by Shinko Electric Industries with 117 and IBM with 92. The top five filers — Intel, Shinko Electric, IBM, Samsung Electronics, and Qualcomm — together account for 27% of the combined output of the hundred largest filers.
The field is classified as Decline. Annual filings peaked at 187 records in 2021 and have eased since. The most recent years (2025–2026) are materially under-counted due to publication lag and should not be interpreted as an acceleration of that trend.
F28D (heat-exchange apparatus) is the largest class by a significant margin, followed by H01L (semiconductor devices), F25B (refrigeration and heat pumps), H05K (printed circuits and assemblies), and F28F (heat-exchanger details). These five classes collectively define the technological core of the field.
The United States is the dominant filing jurisdiction, followed by EPO, WIPO PCT, China, Germany, and Japan. Australia, Canada, India, and Taiwan each show meaningful filing activity, reflecting broad global commercial interest in electronics cooling applications.
Among ranked applicants with momentum data, Huawei Technologies and IBM are both classified as new entrants in the recent window, indicating a step-up from a very low prior base. Shinko Electric Industries is the most stable high-volume filer at -4%. By contrast, Intel, Qualcomm, and Dana Canada show sharp recent declines of -79%, -85%, and -92% respectively versus their prior three-year periods.
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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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