{"list":"AI Infra 100","list_slug":"ai-infra","facet":"country","value":"Japan","edition":"November 2026","published_at":"2026-11-01T13:18:02.499959+00:00","count":12,"of":100,"url":"https://www.frontiertechintelligence.com/leaders/ai-infra/country/japan","members":[{"rank":14,"name":"Disco","url":"https://www.frontiertechintelligence.com/companies/disco","category":"Fabrication, memory & packaging","segment":"Advanced packaging","country":"Japan","score":96,"positioning":"DISCO supplies semiconductor manufacturing equipment, including grinders, laser saws and singulation systems used in wafer processing and AI chip production."},{"rank":26,"name":"Advantest","url":"https://www.frontiertechintelligence.com/companies/advantest","category":"Networking & interconnect","segment":"Test, measurement & validation","country":"Japan","score":94,"positioning":"Advantest supplies semiconductor test systems and hardware, including RF, memory, HBM, multi-die and known-good-die testing, to validate chips for power, performance and reliability."},{"rank":27,"name":"Lasertec","url":"https://www.frontiertechintelligence.com/companies/lasertec","category":"Semiconductor equipment, materials & critical inputs","segment":"Deposition, etch & metrology","country":"Japan","score":94,"positioning":"Lasertec develops and sells semiconductor inspection and metrology equipment, including systems for wafer and photomask inspection and EUV mask inspection. This directly qualifies as semiconductor metrology equipment."},{"rank":31,"name":"Mitsubishi Power","url":"https://www.frontiertechintelligence.com/companies/mitsubishi-power","category":"Agents & tooling","segment":"Orchestration","country":"Japan","score":94,"positioning":"Mitsubishi Power builds large-frame gas turbines and gas turbine combined-cycle power plants."},{"rank":34,"name":"JSR","url":"https://www.frontiertechintelligence.com/companies/jsr","category":"Semiconductor equipment, materials & critical inputs","segment":"Lithography","country":"Japan","score":93,"positioning":"JSR supplies semiconductor lithography materials, including photoresists and metal-oxide resists through JSR and Inpria. Its planned plants for TSMC and Samsung directly support advanced semiconductor fabrication."},{"rank":40,"name":"Ibiden","url":"https://www.frontiertechintelligence.com/companies/ibiden","category":"Fabrication, memory & packaging","segment":"Advanced packaging","country":"Japan","score":91,"positioning":"Ibiden manufactures IC package substrates, including ABF-based substrates used in advanced semiconductor packaging for high-performance processors."},{"rank":48,"name":"Shin-Etsu Chemical","url":"https://www.frontiertechintelligence.com/companies/shin-etsu-chemical","category":"Semiconductor equipment, materials & critical inputs","segment":"Wafers, chemicals & gases","country":"Japan","score":90,"positioning":"Shin-Etsu Chemical manufactures semiconductor silicon wafers and a broad range of semiconductor chemicals and materials, including photoresists and related process materials used in chip fabrication."},{"rank":64,"name":"Ajinomoto Fine-Techno","url":"https://www.frontiertechintelligence.com/companies/ajinomoto-fine-techno","category":"Fabrication, memory & packaging","segment":"Advanced packaging","country":"Japan","score":88,"positioning":"Ajinomoto Fine-Techno supplies Ajinomoto Build-up Film (ABF), a key insulating material used in semiconductor package substrates and advanced chip packaging."},{"rank":70,"name":"Tokyo Electron","url":"https://www.frontiertechintelligence.com/companies/tokyo-electron","category":"Semiconductor equipment, materials & critical inputs","segment":"Deposition, etch & metrology","country":"Japan","score":87,"positioning":"Tokyo Electron supplies semiconductor manufacturing equipment, including etch, deposition, cleaning, coating and inspection systems for advanced processors and memory."},{"rank":78,"name":"Resonac","url":"https://www.frontiertechintelligence.com/companies/resonac","category":"Semiconductor equipment, materials & critical inputs","segment":"Wafers, chemicals & gases","country":"Japan","score":86,"positioning":"Resonac supplies semiconductor materials, including SiC wafers and SiC powder, to chipmakers such as Infineon."},{"rank":86,"name":"Nittobo","url":"https://www.frontiertechintelligence.com/companies/nittobo","category":"Fabrication, memory & packaging","segment":"Advanced packaging","country":"Japan","score":85,"positioning":"Nittobo manufactures T-glass, a high-performance glass-fiber material used in high-end ABF semiconductor package substrates. Persistent T-glass shortages can directly constrain advanced packaging supply."},{"rank":88,"name":"SoftBank Group","url":"https://www.frontiertechintelligence.com/companies/softbank-group","category":"Data center build & operate","segment":"Hyperscale developers","country":"Japan","score":85,"positioning":"Through its Stargate and SB Energy initiatives, SoftBank is funding and developing large AI data center sites and a U.S. 10-gigawatt infrastructure buildout."}]}