GaN Gate Driver Patent Landscape 2026
The GaN gate driver patent space is highly concentrated, with Navitas Semiconductor and GaN Systems together accounting for the majority of filings among the top ranked applicants, anchored primarily in pulse-technique and power-conversion circuits. The field reached peak annual volume in 2022 and has since plateaued, signaling a maturing competitive structure where adjacent branches such as protective circuits and power supply systems remain comparatively sparse.
Navitas and GaN Systems lead a tightly concentrated field
Navitas Semiconductor holds the top position with 18 patent families, fractionally ahead of China contributes 8, rounding out a four-player leading tier that is clearly separated from the rest of the field.
The top five filers collectively account for 66% of the hundred largest filers’ combined total, a high concentration ratio that signals limited room for mid-tier challengers to close the gap through incremental filings alone. Below the top five, individual counts drop to single digits, confirming a steep tier gap.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Navitas Semiconductor Ltd | 18 | |
| 2 | GaN Systems Inc | 17 | |
| 3 | HELLA GMBH & CO KGAA | 11 | |
| 4 | UNIV OF ELECTRONICS SCI & TECH OF CHINA | 8 | |
| 5 | Signify Holding BV | 6 | |
| 6 | Infineon Technologies Austria AG | 3 | |
| 7 | Wuxi Si Power Micro Electronics Co Ltd | 3 | |
| 8 | Centre for Development of Advanced Computing | 2 | |
| 9 | GlobalFoundries US Inc | 2 | |
| 10 | GaNPower International Inc | 2 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | The Power Labs Co Ltd | 1 | |
| 12 | Renesas Design (UK) Ltd | 1 | |
| 13 | Guoxi Integrated Circuit Technology (Wuxi) Co Ltd | 1 | |
| 14 | Xiamen University | 1 | |
| 15 | Ecole Centrale School of Engineering, Mahindra University | 1 | |
| 16 | The Hong Kong Polytechnic University | 1 | |
| 17 | Fujitsu Ltd | 1 | |
| 18 | Harbin Institute of Technology | 1 | |
| 19 | Shenzhen Shuma Electronics Technology Co Ltd | 1 | |
| 20 | Zhuhai Gadan Technology Co Ltd | 1 |
The leaders’ depth in pulse-technique logic (H03K) and power-conversion circuits (H02M) suggests that core gate-driver IP is largely staked out; new entrants or challengers will need to differentiate on adjacent dimensions — packaging, protection circuits, or system-level integration — to avoid direct collision with incumbent portfolios.
Filing counts for 2024–2026 are subject to publication lag and likely understate actual recent activity; the apparent low volumes in those years should not be interpreted as a real decline in innovation pace. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Peak activity in 2022 followed by plateau; pulse-technique circuits dominate the technology mix
Annual filing volume grew from 2017 to a 2022 peak and has eased since, while the technology composition reveals a field anchored in gate-signal logic with meaningful but secondary coverage in power conversion and semiconductor device patents.
Annual filing trend
Annual filings climbed from 12 families in 2017, dipped in 2018, recovered through 2021, and peaked at 19 in 2022 before easing to lower single-digit levels in 2023–2026. The 2024–2026 bars are subject to publication lag and will grow as pending applications publish; the post-2022 easing is consistent with a maturing lifecycle rather than an abrupt exit from the field.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H03K (Pulse technique and logic circuits) is by far the dominant IPC branch, reflecting the centrality of gate-signal generation and switching in this domain. H02M (Power conversion) and H01L (Semiconductor devices) form a secondary tier, while branches such as H02J (Power supply and grid systems), H05K (Printed circuits and assemblies), and H02H (Protective circuit arrangements) each carry comparatively few records, indicating under-developed coverage in system-level and protection-focused directions.
↗ 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.
Segmented direct gate drive circuit of a depletion…
A segmented direct gate drive circuit of a depletion mode GaN power device, a gate voltage of the GaN power device is charged from a negative voltage turn-off level to a threshold voltage of the GaN power device; when the gate voltage of the GaN power device is charged to the threshold voltage of the GaN power device, a current mirror charging module first… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | 一种GaN栅驱动电路的系统保护方法 | 57 |
| 2 | Switch Bootstrap Charging Circuit Suitable for Gat… | 42 |
| 3 | 一种耗尽型GaN功率器件的分段直接栅驱动电路 | 41 |
| 4 | Segmented direct gate drive circuit of a depletion… | 35 |
| 5 | Power switching systems comprising high power e-mo… | 35 |
| 6 | 适用于高速GaN功率器件栅驱动的开关MOS自举充电电路 | 33 |
| 7 | Hybrid switch including GaN HEMT and MOSFET | 31 |
| 8 | 一种抑制GaN半桥模块桥臂串扰的栅极驱动电路 | 28 |
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 IP structure means for R&D investment decisions
The combination of high concentration, a plateauing trend, US-dominant jurisdiction coverage, and sparse protection-circuit branches creates a specific set of entry and differentiation signals for engineering teams.
Field has plateaued near its 2022 peak
The lifecycle evidence places GaN gate driver IP in a maturity stage: annual filings plateaued near their 2022 peak and the recent-window growth rate is slightly negative at minus 6%. Core gate-signal and power-conversion claims are densely filed, reducing the yield of incremental patents in those sub-classes. Teams should prioritize differentiated coverage in adjacent branches rather than overlapping with existing dense areas.
Lifecycle: MatureTop five filers hold 66% of the leading-100 combined total
The top five filers — Navitas Semiconductor, GaN Systems, Hella, University of Electronics Science and Technology of China, and Signify — hold 66% of the hundred largest filers’ combined total. This steep concentration means that a new entrant would face significant prior-art density in the core H03K and H02M spaces. A challenger strategy focused on protective circuits (H02H) or packaging (H05K) would encounter far less incumbent overlap.
High concentrationNo recorded co-applicant activity in this corpus
The collaboration evidence is empty: no co-applicant filings are recorded in this dataset. The field appears to be driven by single-assignee filings, with each major player building its portfolio independently. This absence of consortium or joint-development patents may reflect the competitive sensitivity of gate-driver IP or simply the early-stage nature of cross-company GaN alliances. R&D teams pursuing ecosystem partnerships would be entering largely uncharted collaborative territory.
No co-filing observedUS-dominant with China as a meaningful secondary jurisdiction
The United States leads with 51 patent records, followed by China with 20, WIPO/PCT with 9, and Europe (EPO) with 6. India, Taiwan, Austria, Canada, and South Korea each have minimal coverage. The US-heavy profile reflects where the leading commercial applicants — Navitas and GaN Systems — are primarily filing. Teams targeting Asian or European markets should assess whether gaps in those jurisdictions represent filing oversights or deliberate portfolio choices by incumbents.
US-centricGo 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.
Co-filing pairs, ranked by the number of jointly-filed patent families.
Navitas anchored in power conversion; GaN Systems weighted toward gate-control logic and device structure
The two leading applicants have overlapping but distinguishable technology emphases: Navitas concentrates on power-conversion sub-classes while GaN Systems leads in gate-signal switching circuits and semiconductor device patents. Both are classified as new entrants in the momentum data, indicating their tracked recent activity represents a fresh or recently accelerated filing programme.
Navitas Semiconductor
Navitas Semiconductor holds 18 patent families, the largest portfolio in this corpus. Its technology emphasis is concentrated in H02M (Power conversion — AC/DC) sub-classes, with 18 records under H02M1 and 16 under H02M3, complemented by 14 records in H03K3 (Pulse technique). The applicant momentum data classifies Navitas as a new entrant in the recent tracking window with 17 recent filings, suggesting a rapidly expanding and strategically focused filing programme.
18 patent familiesGaN Systems
GaN Systems holds 17 patent families, placing it in a near-tie with the leader. Its primary focus is H03K17 (Pulse technique — electronic switches) with 16 records, followed by H01L29 (Semiconductor devices — transistors and diodes) with 10 records, reflecting a strategy spanning both gate-driver circuits and the underlying GaN device architecture. The momentum evidence does not include GaN Systems in the recent-entrant tracking, suggesting its portfolio has been built over a longer prior window.
17 patent families| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Navitas Semiconductor Ltd | 17 | ▲ new entrant |
| University of Electronic Science and Technology of China | 1 | ▲ new entrant |
| Infineon Technologies Austria AG | 2 | ▲ new entrant |
| Tagore Technology Inc | 3 | ▲ new entrant |
Under-served branches in protection circuits, power grid integration, and packaging
Several IPC branches adjacent to the dominant H03K and H02M core carry low record counts relative to the overall corpus, pointing to areas where filing density is thin and technical differentiation may be achievable.
H02H · Protective circuit arrangements
With only 4 patent records and a 2% share among the top branches, H02H (Protective circuit arrangements) is sparsely covered despite being directly relevant to GaN gate driver reliability — overcurrent protection, shoot-through prevention, and fault-detection circuits are well-known failure modes in high-frequency GaN switching. The thin filing density means a targeted protection-circuit programme would face limited prior-art collision with existing leaders. Entry path: focus on fast-response gate-clamp or desaturation-detection architectures tailored to the nanosecond switching speeds of GaN HEMTs.
Search this in Eureka →H05K · Printed circuits & assemblies
H05K (Printed circuits and assemblies) accounts for only 6 patent records at a 3% share, indicating that PCB-level integration, thermal management, and packaging solutions specific to GaN gate driver modules are largely unclaimed territory in this corpus. As GaN adoption moves from discrete components to integrated power modules, packaging innovations become critical for EMI management and thermal performance. Entry path: EMI-shielding layout techniques and integrated gate-driver module packaging designed for GaN’s high dV/dt switching environment represent plausible differentiation vectors.
Search this in Eureka →How leading applicants differ across technology routes
Route coverage across the main technology branches in the current evidence set.
| Player | H03K 17 · Pulse technique & logic circuits | H02M 1 · Power conversion (AC/DC etc.) | H02M 3 · Power conversion (AC/DC etc.) | H01L 29 · Semiconductor devices | H01L 27 · Semiconductor devices |
|---|---|---|---|---|---|
| Navitas Semiconductor Ltd | Strong · 13 | Strong · 18 | Strong · 16 | Strong · 11 | Strong · 11 |
| GaN Systems Inc | Strong · 16 | Emerging · 3 | Emerging · 2 | Strong · 10 | Emerging · 3 |
| Hella GmbH & Co. KGaA | Strong · 11 | Moderate · 3 | Absent | Moderate · 4 | Emerging · 1 |
| Signify Holding BV | Strong · 6 | Strong · 5 | Strong · 5 | Absent | Absent |
| University of Electronic Science and Technology of China | Strong · 5 | Strong · 3 | Moderate · 2 | Absent | Absent |
Frequently asked questions
The corpus contains 85 patent families in scope covering GaN gate driver technology across global jurisdictions.
Navitas Semiconductor holds the largest portfolio at 18 patent families, marginally ahead of GaN Systems at 17. Together with Hella (11 families), University of Electronics Science and Technology of China (8 families), and Signify Holding (6 families), the top five account for 66% of the hundred largest filers’ combined total.
The evidence classifies the field as mature: annual filings plateaued near their 2022 peak of 19 families and the recent-window growth rate is minus 6%. This indicates the core technology sub-classes are densely covered and incremental filing yield in those areas is diminishing.
H03K (Pulse technique and logic circuits) is by far the dominant branch, followed by H02M (Power conversion — AC/DC) and H01L (Semiconductor devices). These three branches account for the large majority of records, confirming that gate-signal generation and power conversion are the primary innovation axes.
The United States is the leading jurisdiction with 51 patent records, followed by China with 20, WIPO/PCT with 9, and Europe (EPO) with 6. Coverage in India, Taiwan, Austria, Canada, and South Korea is minimal, suggesting potential geographic gaps for applicants targeting those markets.
Yes. Protective circuit arrangements (H02H) carries only 4 patent records at a 2% share, and printed circuits and assemblies (H05K) has 6 records at a 3% share — both sparsely covered relative to the dominant H03K core. Power supply and grid system integration (H02J, 13 records) and electric/magnetic variable control (G05F, 3 records) are also comparatively thin, representing adjacent branches where differentiated filing programmes would encounter less incumbent prior-art density.
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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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