Semiconductors & Advanced Computing

Compound & Power Semiconductors

The capacity to develop and produce compound, wide-bandgap and power semiconductors, the device families that carry power electronics, radio frequency and extreme environments.

Capability group
Semiconductors & Advanced Computing
Domain
Critical Technology · Hard Power
Identifier
factbase.org/cap/H4YJ782F1R
Reference
Wide-bandgap semiconductor Wikipedia

Papers

27.7k

2020–2024

Paper growth

+11%

2020–24 on 2015–19

Patent families

26.3k

2020–2024

Filed abroad

42%

families in more than one office

Framework

What it covers

What the capability covers and what it leaves to others, and the indicators it will be measured by.

Bounds

Covers compound and power device technology; its applications read under the energy, connectivity and defence capabilities, and its materials base is shared with the materials group.

Lineage

Relocated in v0.1 from the materials group (formerly Wide and ultrawide bandgap semiconductors) at the same level, carrying its identifier under the relocation convention: the node is a semiconductor device family and belongs with its value chain.

Indicators

  • wide-bandgap device production sharePending
  • power semiconductor revenue sharePending
  • compound wafer capacityPending
Research

Who publishes it

Papers classified to the capability, by year and by the nation of their authors' institutions, 2020–2024. Read from the v0.0 research topic Wide and ultrawide bandgap semiconductors.

Papers by year

The five leading nations, papers by year

Share of papers, 2020–2024

Of papers with a known author nation; 22% have none and are left out.

  1. 1China27.4%7,286 papers
  2. 2United States15.2%4,058 papers
  3. 3Japan7.9%2,104 papers
  4. 4India6.3%1,665 papers
  5. 5Germany4.3%1,141 papers
  6. 6South Korea3.4%902 papers
  7. 7United Kingdom3.0%792 papers
  8. 8Taiwan2.8%748 papers
  9. 9France2.5%673 papers
  10. 10Italy2.4%652 papers

Leading institutions, 2020–2024

By fractional count: each paper divided among its authors' institutions.

  1. 1Xidian University430fractional papers
  2. 2Chinese Academy of Sciences251fractional papers
  3. 3Zhejiang University199fractional papers
  4. 4The Ohio State University175fractional papers
  5. 5National Yang Ming Chiao Tung University169fractional papers
  6. 6University of Electronic Science and Technology of China164fractional papers
  7. 7Xi'an Jiaotong University156fractional papers
  8. 8University of Science and Technology of China148fractional papers
  9. 9Nagoya University140fractional papers
  10. 10Shandong University136fractional papers
Patents

Who patents it

Patent families by the nation of origin of their applicants and their earliest priority year, from the CPC and IPC classes the capability is read from. 2025 onwards is incomplete: families are published 18 months after priority.

Families by priority year

The five leading origins, families by year

3,833 applicants filed here in 2015–2024; the five largest held 19% of families (HHI 118 of 10,000: unconcentrated).

Share of families by origin, 2020–2024

  1. 1China50.1%13,165 families
  2. 2Japan17.8%4,664 families
  3. 3Taiwan9.8%2,581 families
  4. 4United States8.9%2,347 families
  5. 5South Korea6.5%1,710 families
  6. 6Germany2.0%513 families
  7. 7Austria0.8%213 families
  8. 8Switzerland0.7%195 families
  9. 9France0.7%182 families
  10. 10Netherlands0.5%125 families

Applicants filing most internationally, 2015–2024

Families filed in more than one office, by applicant as the offices name them.

  1. 1TAIWAN SEMICONDUCTOR MFG CO LTD1,800international families
  2. 2TOSHIBA KK1,058international families
  3. 3SAMSUNG ELECTRONICS CO LTD1,012international families
  4. 4TOSHIBA CORP1,008international families
  5. 5FUJI ELECTRIC CO LTD981international families
  6. 6MITSUBISHI ELECTRIC CORP736international families
  7. 7TOSHIBA ELECTRONIC DEVICES & STORAGE CORP652international families
  8. 8INTEL CORP576international families
  9. 9TAIWAN SEMICONDUCTOR MFG545international families
  10. 10ROHM CO LTD528international families

Classification read

  • H10D62/85 Group III-V semiconductor bodies, e.g. gallium nitride, gallium arsenide · 89.3k documents
  • H10D62/8325 Silicon carbide device bodies · 53k documents
  • H10D62/8303 Diamond device bodies · 6.7k documents
  • H10D62/82 Heterojunction device bodies · 56.8k documents
  • H10D30/47 High-electron-mobility transistors · 86k documents
  • H10D12/00 Insulated-gate bipolar transistors · 121.4k documents
  • H10D30/64 Power DMOS transistors · 118k documents
  • H10D8/60 Schottky diodes · 28.6k documents
  • H10D18/00 Thyristors · 20.9k documents
  • C30B29/36 Silicon carbide and other carbide crystals · 18.2k documents
  • C30B29/38 Nitride crystals · 5k documents
  • C30B29/40 Group III-V compound crystals · 36.1k documents

Shares inventions with

Capabilities whose classes the same families also fall in, by overlap (Jaccard).

Companies

Who makes it

The companies that research, design, make, supply and operate the technology, the global leaders and the leading firms of every region.

50 companies in this capability, from 20 nations across 6 regions. Sorted by how experts see each company's global relevance in the field, from very high to very low.

  1. Very high3 companies
  2. 1

    GermanyInfineon Technologies

    World's largest power semiconductor supplier, producing silicon IGBTs/MOSFETs, CoolSiC silicon-carbide devices and CoolGaN (after acquiring GaN Systems in 2023), with a 200mm SiC fab in Kulim, Malaysia.

    Very high relevance · Components & subsystems · Germany, Neubiberg · founded 1999 · 58k staff

  3. 2

    United Statesonsemi

    Vertically integrated SiC producer (from boule growth in New Hampshire to EliteSiC MOSFETs and modules) and a leading supplier of automotive power devices, with a SiC expansion in Rožnov, Czech Republic.

    Very high relevance · Components & subsystems · United States, Scottsdale · founded 1999 · 26k staff

  4. 3

    SwitzerlandSTMicroelectronics

    Leading SiC MOSFET supplier (main supplier to Tesla's traction inverters), building an integrated SiC campus in Catania, Italy, and a 200mm SiC joint venture with San'an in Chongqing, alongside a GaN power line.

    Very high relevance · Components & subsystems · Switzerland, Geneva · founded 1987 · 50k staff

  5. High7 companies
  6. 4

    United StatesWolfspeed

    Largest merchant supplier of SiC substrates and operator of the world's first 200mm SiC device fab (Mohawk Valley, NY); it restructured through Chapter 11 in 2025 and emerged with new equity.

    High relevance · Advanced materials · United States, Durham · founded 1987

  7. 5

    JapanMitsubishi Electric

    Leading supplier of IGBT and SiC power modules for rail, industrial and EV use, and of GaN/GaAs high-frequency devices; it is building an 8-inch SiC fab in Kumamoto.

    High relevance · Hardware & devices · Japan, Tokyo · founded 1921 · 150k staff

  8. 6

    JapanROHM

    Vertically integrated SiC maker through its German subsidiary SiCrystal (substrates) and its Miyazaki fabs; it pioneered mass-produced SiC MOSFETs and supplies GaN EcoGaN devices.

    High relevance · Components & subsystems · Japan, Kyoto · founded 1958 · 23k staff

  9. 7

    JapanFuji Electric

    Major producer of IGBT and SiC power modules for EVs, industry and renewables, and one of the top international patent filers in power devices.

    High relevance · Components & subsystems · Japan, Tokyo · founded 1923 · 27k staff

  10. 8

    United StatesQorvo

    Leading GaAs and GaN-on-SiC RF device maker and a DoD Trusted foundry (Richardson, Texas) for defence radar MMICs; a merger with Skyworks was announced in 2025.

    High relevance · Components & subsystems · United States, Greensboro · founded 2015 · 8,700 staff

  11. 9

    United StatesCoherent Corp.

    Second-largest SiC substrate and epiwafer supplier (ex-II-VI) with 200mm production; its SiC business is backed by Denso and Mitsubishi Electric investment, and it also makes InP and GaAs compound devices.

    High relevance · Components & subsystems · United States, Saxonburg · founded 1971 · 26k staff

  12. 10

    ChinaSICC (Shandong Tianyue Advanced Technology)

    One of the world's top two or three SiC substrate makers by share, supplying conductive 6/8-inch wafers to Infineon and Bosch; it has an additional Hong Kong listing.

    High relevance · Advanced materials · China, Jinan · founded 2010

  13. Moderate23 companies
  14. 11

    JapanToshiba

    Through Toshiba Electronic Devices & Storage it is a top power MOSFET/IGBT and SiC supplier, building a 300mm power fab in Ishikawa and collaborating with ROHM on power devices; it has been privately owned since its 2023 buyout.

    Moderate relevance · Hardware & devices · Japan, Kawasaki · founded 1875 · 105k staff

  15. 12

    ChinaSan'an Optoelectronics

    China's largest compound semiconductor manufacturer (GaN/GaAs LEDs, RF and power) whose Hunan San'an unit runs a vertically integrated SiC line and a Chongqing 200mm SiC JV with STMicroelectronics.

    Moderate relevance · Components & subsystems · China, Xiamen · founded 2000

  16. 13

    United StatesSkyworks Solutions

    Major GaAs HBT/pHEMT RF front-end producer with its own GaAs fab in Woburn, Massachusetts; a merger with Qorvo was announced in October 2025.

    Moderate relevance · Components & subsystems · United States, Irvine · founded 2002 · 10k staff

  17. 14

    ChinaCRRC Zhuzhou Times Electric

    China's leading high-voltage IGBT and SiC module maker (ex-Dynex technology, 8-inch IGBT lines) for rail traction, grid and EVs; it is part of state-owned CRRC and also listed in Hong Kong (3898).

    Moderate relevance · Components & subsystems · China, Zhuzhou · founded 2005

  18. 15

    ChinaInnoscience

    World's largest GaN-on-silicon power device IDM by volume, running 8-inch GaN fabs in Zhuhai and Suzhou; it has a 2025 manufacturing partnership with STMicroelectronics.

    Moderate relevance · Components & subsystems · China, Zhuhai · founded 2015

  19. 16

    United StatesNavitas Semiconductor

    Pure-play GaNFast and GeneSiC power device designer, partnered with Nvidia on 800V data-centre power architectures.

    Moderate relevance · Design · United States, Torrance · founded 2014

  20. 17

    JapanRenesas Electronics

    Acquired GaN pioneer Transphorm in 2024, adding high-voltage GaN FETs to its silicon IGBT and power MOSFET portfolio.

    Moderate relevance · Components & subsystems · Japan, Tokyo · founded 2002 · 21k staff

  21. 18

    United StatesPower Integrations

    High-volume supplier of GaN-based (PowiGaN) offline power-conversion ICs and 1700V GaN switches for chargers, appliances and industrial supplies.

    Moderate relevance · Components & subsystems · United States, San Jose · founded 1988

  22. 19

    GermanyRobert Bosch

    Makes SiC MOSFETs for EV inverters at its Reutlingen fab and is converting its acquired Roseville, California fab to 200mm SiC production.

    Moderate relevance · Components & subsystems · Germany, Gerlingen · founded 1886 · 418k staff

  23. 20

    SwitzerlandHitachi Energy

    Produces high-power IGBTs, thyristors and SiC modules (ex-ABB Semiconductors, Lenzburg) for HVDC, rail and grid; it is a subsidiary of Hitachi Ltd.

    Moderate relevance · Hardware & devices · Switzerland, Zurich · founded 2020 · 50k staff

  24. 21

    United StatesLittelfuse

    Supplies IXYS power semiconductors (IGBTs, thyristors, SiC MOSFETs and diodes) for industrial and transport power conversion.

    Moderate relevance · Components & subsystems · United States, Chicago · founded 1927 · 16k staff

  25. 22

    United StatesMACOM Technology Solutions

    GaN-on-SiC and GaAs RF and InP optical device maker that bought Wolfspeed's RF business in 2023, including its GaN fab in North Carolina.

    Moderate relevance · Components & subsystems · United States, Lowell · founded 1950

  26. 23

    GermanySemikron Danfoss

    Leading independent power module maker (IGBT and SiC) for industrial drives, renewables and EV inverters, formed from the merger of Semikron and Danfoss Silicon Power.

    Moderate relevance · Components & subsystems · Germany, Nuremberg · founded 2022

  27. 24

    FranceSoitec

    Engineered-substrate maker producing SmartSiC bonded polySiC wafers and GaN substrates alongside its RF-SOI wafers.

    Moderate relevance · Advanced materials · France, Bernin · founded 1992

  28. 25

    GermanyAixtron

    Dominant supplier of MOCVD and SiC epitaxy reactors (G5+ C, G10-SiC, G10-GaN) used by compound semiconductor fabs worldwide.

    Moderate relevance · Equipment & machinery · Germany, Herzogenrath · founded 1983

  29. 26

    TaiwanWIN Semiconductors

    World's largest pure-play GaAs foundry, also offering GaN-on-SiC HEMT processes for RF and 5G customers.

    Moderate relevance · Contract manufacturing · Taiwan, Taoyuan · founded 1999

  30. 27

    ChinaStarPower Semiconductor

    China's largest IGBT module supplier for EVs and industry, expanding into its own SiC chip fabrication.

    Moderate relevance · Components & subsystems · China, Jiaxing · founded 2005

  31. 28

    ChinaBYD Semiconductor

    BYD's in-house power chip arm producing IGBT and SiC MOSFET modules for BYD's EVs, among the largest automotive IGBT suppliers in China; it is a subsidiary of BYD Co.

    Moderate relevance · Components & subsystems · China, Shenzhen · founded 2004

  32. 29

    JapanSumitomo Electric Industries

    Leading GaN-on-SiC HEMT supplier for base stations (via Sumitomo Electric Device Innovations) and producer of GaAs/InP substrates and SiC epitaxial wafers.

    Moderate relevance · Components & subsystems · Japan, Osaka · founded 1897

  33. 30

    JapanResonac Holdings

    World's largest merchant SiC epitaxial wafer supplier (ex-Showa Denko), with long-term contracts with Infineon and ROHM; it also makes SiC substrates.

    Moderate relevance · Chemicals & gases · Japan, Tokyo · founded 1939

  34. 31

    United StatesMicrochip Technology

    Supplies mSiC MOSFETs, diodes and power modules (from Microsemi) for aerospace, defence and industrial power, as well as GaN RF devices.

    Moderate relevance · Components & subsystems · United States, Chandler · founded 1989 · 19k staff

  35. 32

    NetherlandsNexperia

    High-volume discrete and power MOSFET maker with GaN FET and SiC product lines; it is owned by China's Wingtech, and the Dutch government took control measures in 2025.

    Moderate relevance · Components & subsystems · Netherlands, Nijmegen · founded 2017

  36. 33

    United KingdomIQE

    World's largest outsourced compound semiconductor epiwafer supplier (GaAs, InP, GaN-on-Si/SiC) for RF, photonics and power.

    Moderate relevance · Advanced materials · United Kingdom, Cardiff · founded 1988

  37. Low8 companies
  38. 34

    ChinaTankeBlue Semiconductor

    Major Chinese SiC substrate producer (conductive 6/8-inch wafers) with long-term supply deals with Infineon.

    Low relevance · Advanced materials · China, Beijing · founded 2006

  39. 35

    South KoreaSK siltron

    Through SK siltron css (Auburn and Bay City, Michigan, ex-DuPont) it produces SiC wafers, backed by a US DOE loan; it is a subsidiary of SK Group.

    Low relevance · Advanced materials · South Korea, Gumi · founded 1983

  40. 36

    ChinaChina Resources Microelectronics

    State-backed power semiconductor IDM producing MOSFETs, IGBTs and SiC/GaN devices, with a 12-inch power fab in Shenzhen.

    Low relevance · Components & subsystems · China, Wuxi · founded 1983

  41. 37

    BelgiumX-FAB Silicon Foundries

    Leading open SiC foundry (Lubbock, Texas, 6-inch SiC) and provider of GaN-on-Si foundry processes for fabless power device companies.

    Low relevance · Contract manufacturing · Belgium, Tessenderlo · founded 1992

  42. 38

    United StatesEfficient Power Conversion (EPC)

    Pioneer of enhancement-mode eGaN power FETs and ICs for lidar, DC-DC conversion, motor drives and space; it holds a key GaN patent portfolio.

    Low relevance · Design · United States, El Segundo · founded 2007

  43. 39

    South KoreaRFHIC

    South Korea's leading GaN-on-SiC RF transistor and amplifier maker for telecom base stations and defence radar.

    Low relevance · Components & subsystems · South Korea, Anyang · founded 1999

  44. 40

    TürkiyeAselsan

    Türkiye's defence electronics champion, whose AB MikroNano GaN foundry with Bilkent University (operating since 2017) produces GaN transistors and MMICs for its radar and EW systems.

    Low relevance · Systems integration · Türkiye, Ankara · founded 1975 · 11k staff

  45. 41

    IsraelSCD (SemiConductor Devices)

    Israel's compound semiconductor producer of InSb, InGaAs and type-II superlattice infrared detectors and laser diodes; it is owned by Elbit Systems and state-owned Rafael.

    Low relevance · Components & subsystems · Israel, Haifa · founded 1977

  46. Very low9 companies
  47. 42

    PolandVIGO Photonics

    Poland's compound semiconductor maker: III-V epitaxy (InAs/GaSb, GaAs, GaN) and MCT/III-V infrared detectors, with an EU IPCEI-backed III-V epi expansion.

    Very low relevance · Components & subsystems · Poland, Ożarów Mazowiecki · founded 1987

  48. 43

    MalaysiaSilTerra Malaysia

    Malaysian foundry (majority owned by Dagang NeXchange with Khazanah) running 200mm GaN-on-Si power process development with IGSS GaN alongside its CMOS and BCD power processes.

    Very low relevance · Contract manufacturing · Malaysia, Kulim · founded 1995

  49. 44

    MalaysiaInari Amertron

    Malaysian OSAT that assembles and tests RF front-end and optoelectronic compound semiconductor modules, mainly for Broadcom.

    Very low relevance · Contract manufacturing · Malaysia, Penang · founded 2010

  50. 45

    SingaporeIGSS GaN (IGaN)

    Singapore GaN-on-Si/SiC epiwafer and 200mm GaN process company that set up a MOCVD Epi Centre (about US$73M) and offers GaN MPW shuttles with SilTerra.

    Very low relevance · Advanced materials · Singapore, Singapore · founded 2014

  51. 46

    AustraliaSilanna Semiconductor

    Australian power IC designer of GaN-ready power-conversion controllers and UV-C AlN/AlGaN wide-bandgap emitters.

    Very low relevance · Design · Australia, Brisbane · founded 2006

  52. 47

    AustraliaBluGlass

    Developer and maker of GaN laser diodes using its low-temperature remote-plasma CVD process, with a fab in Silicon Valley.

    Very low relevance · Components & subsystems · Australia, Sydney · founded 2005

  53. 48

    SwedenSweGaN

    Supplies buffer-free QuanFINE GaN-on-SiC epiwafers (up to 150mm) for RF, defence and power devices, spun out of Linköping University.

    Very low relevance · Advanced materials · Sweden, Linkoping · founded 2014

  54. 49

    LithuaniaBrolis Semiconductors

    Lithuanian III-V (GaSb/InP) epitaxy and laser chip maker producing mid-infrared lasers for defence and sensing.

    Very low relevance · Components & subsystems · Lithuania, Vilnius · founded 2011

  55. 50

    IndiaSiCSem

    Archean Chemical subsidiary building India's first end-to-end SiC device fab in Odisha with Clas-SiC (UK) technology; it broke ground in November 2025, gained state approval in September 2026 and targets 2027-28 operation.

    Very low relevance · Components & subsystems · India, Bhubaneswar · founded 2023

These companies in the Companies table →