What Gigaphoton does

Gigaphoton Inc. is a Japan-based manufacturer of deep ultraviolet (DUV) excimer laser light sources serving the global semiconductor lithography market. Founded in August 2000 and headquartered in Oyama, Tochigi Prefecture, the company is a wholly-owned subsidiary of Komatsu Ltd. and operates wholly-owned sales and service subsidiaries across the United States, the Netherlands, Taiwan, China, and South Korea, with additional representative coverage in Singapore and Israel. Its products are integrated into wafer scanners operated by leading logic, memory, and foundry fabs, and the company has cumulatively shipped more than 900 units of its G41K KrF series alone.

The product portfolio spans eight generations of ArF immersion lithography lasers (GT60A through GT80A), ArF dry lasers (G40A/G41A/G42A), and KrF lasers (G10K through G60K), addressing mature through cutting-edge semiconductor nodes. Differentiated technologies include magnetic-levitation laser chambers (G41K-1H), helium-free operation, speckle reduction modules delivering 30–36% contrast reduction, and pulsed-laser-deposition use of excimer lasers in fusion/superconductor research. The company also produces the G300K 300W KrF laser for ultra-fine ablation processing used in 2.5D/3D advanced packaging and AI chiplet micro-via drilling, and complements its hardware with the Fabscape vendor-independent equipment monitoring and analytics platform, which incorporates predictive maintenance capabilities. Continuous industry recognition includes the VLSI Research Best Supplier in WFE Subsystems Award (2021) and three consecutive Intel EPIC supplier awards (Technology 2022, Cost 2023, Distinguished 2024, the last as one of only 29 recipients globally).

The business model combines direct enterprise hardware sales of high-ASP excimer laser light sources with recurring service contracts, spare parts, and module replacement revenue tied to the installed base, plus an emerging analytics/software layer through Fabscape. Products are sold via direct enterprise field sales supported by regional service offices in more than 20 cities globally, including Hsinchu, Shanghai, Hwaseong, Beaverton, and Eindhoven. The customer base is concentrated among a small group of leading fabs (Intel is named explicitly and is a multi-year award customer), advanced packaging equipment integrators (ORC Manufacturing for chiplet processing), and research institutions. Production capacity was expanded 2.5x relative to FY2020 through a 5 billion yen new facility completed in October 2023, with an additional Kyushu support office completed in June 2025 to triple regional field service capacity.

Name

Gigaphoton

Legal name

Gigaphoton Inc.

Website

https://gigaphoton.com

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Gigaphoton Inc., a wholly-owned Komatsu subsidiary founded in 2000, manufactures DUV excimer laser light sources—ArF immersion, ArF dry, and KrF—for semiconductor lithography and advanced packaging, serving global chipmakers, equipment integrators, and research institutions through direct enterprise sales across 20+ cities.

Ownership category

akta.pro rank

Product category

Semiconductor Lithography Equipment

NAICS

Semiconductor Machinery Manufacturing (333242)

SIC

Optical Instruments & Lenses (3827)

akta.pro primary industry

Lithography Equipment (DUV/EUV) (HDAHAEAA)

akta.pro secondary industries

Optoelectronic Emitters (LED/Laser/VCSEL) (HDAHALAL), Optics & Laser/Light Engine Components (Lenses, Galvos, Laser Modules, UV Engines) (IMAAAIAC)

Keywords

• Excimer laser light sources
• Semiconductor lithography
• DUV light sources
• ArF immersion lasers
• KrF excimer lasers

Headquarters

HQ city

Oyama

HQ country

Japan

HQ region

Asia

Offices14 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Technology or R&D, Operations, Supply Chain, Infrastructure, Marketing or Sales

Revenue model

1. Laser Light Source Sales: Sale of excimer laser light sources including ArF immersion, ArF dry, and KrF lasers for semiconductor lithography. Products include the GT series and G series for various semiconductor manufacturing applications.
2. Service and Maintenance: Field service engineering and maintenance services for installed base of lasers. Training services for customer engineers. Spare parts and module replacement services.
3. Laser Processing Equipment: Sale of excimer lasers for non-lithography applications including ultra-fine ablation processing for semiconductor packaging (G300K for 2.5D/3D packaging, micro-via processing).

Go-to-market motion2 records

Distribution channels1 record

Marketing channels4 records

Core offering

Gigaphoton designs, manufactures, and services deep ultraviolet (DUV) excimer laser light sources used in semiconductor photolithography, including ArF immersion, ArF dry, and KrF product lines, plus the G300K laser for advanced packaging applications such as 2.5D/3D micro-via processing. The company sells hardware to semiconductor device manufacturers and equipment makers and supports them through a global service network across more than 20 cities, complemented by its Fabscape vendor-independent data and analytics platform.

Product overview

Gigaphoton is a manufacturer of lightsources for semiconductor lithography offering a comprehensive portfolio of DUV excimer laser products and analytics software. The product lineup includes ArF Immersion lightsources (GT80A, GT66A, GT65A, GT64A, GT63A, GT62A, GT61A, GT60A), ArF Dry lightsources (GT45A, GT40A, G42A, G41A), and KrF lightsources (G300K, G60K, G45K, G41K-1H, G21K, G20K, G10K). The GT80A represents the latest-generation ArF immersion technology with enhanced repetition rates, while the G300K addresses advanced packaging applications. Complementing the hardware portfolio is the Fabscape data analytics platform providing vendor-independent equipment monitoring and analytics for semiconductor manufacturing.

Differentiator

Problem solved

Functional benefit

Brands

• Fabscape: An open, end-to-end data and application platform for semiconductor manufacturing equipment monitoring, management, and analytics.

Products and services

• GT80A ArF Immersion Lithography Lightsource Latest-generation ArF immersion lithography lightsource for cutting-edge semiconductor node production, delivering a 12.5% enhanced repetition rate and 36% reduction in speckle contrast relative to the prior GT65A for high-productivity AI chip manufacturing.
• GT66A ArF Immersion Lithography Lightsource ArF immersion lithography lightsource with 30% speckle contrast reduction for LER/LWR improvement, 30% extended module maintenance cycle, and helium-free operation for sustainability in advanced node semiconductor manufacturing.
• GT65A ArF Immersion Lithography Lightsource ArF immersion lithography lightsource for advanced semiconductor manufacturing at cutting-edge nodes.
• GT64A ArF Immersion Lithography Lightsource ArF immersion lithography lightsource for advanced semiconductor manufacturing at sub-7nm and related nodes.
• GT63A ArF Immersion Lithography Lightsource ArF immersion lithography lightsource for advanced semiconductor manufacturing.
• GT62A ArF Immersion Lithography Lightsource ArF immersion lithography lightsource for advanced semiconductor manufacturing.
• GT61A ArF Immersion Lithography Lightsource ArF immersion lithography lightsource for advanced semiconductor manufacturing.
• GT60A ArF Immersion Lithography Lightsource ArF immersion lithography lightsource for advanced semiconductor manufacturing.
• GT45A ArF Dry Lithography Lightsource ArF dry lithography lightsource for non-immersion ArF semiconductor manufacturing.
• GT40A ArF Dry Lithography Lightsource ArF dry lithography lightsource for non-immersion ArF semiconductor manufacturing.
• G42A ArF Dry Lithography Lightsource ArF dry lithography lightsource for non-immersion ArF semiconductor manufacturing.
• G41A ArF Dry Lithography Lightsource ArF dry lithography lightsource for non-immersion ArF semiconductor manufacturing.
• G41K-1H KrF Excimer Laser 4 kHz KrF excimer laser for up to 130 nm technology nodes featuring a magnetic-levitation laser chamber and 40 W output with module lifetime extended to 30 billion pulses.
• G21K KrF Excimer Laser 2 kHz KrF excimer laser for 0.13 micrometer design rules with ultra-narrow 0.5 pm bandwidth (FWHM) for high-resolution exposure.
• G20K KrF Excimer Laser 2 kHz KrF excimer laser for 0.18 micrometer design rules with +/-0.4% energy stability and 20 W output in a 14% smaller footprint than the G10K.
• G10K KrF Excimer Laser 1 kHz KrF excimer laser for 0.25 micrometer to 0.18 micrometer design rules; the world's first excimer laser to meet all lithography requirements, still operating globally.
• G60K KrF Light Source High-power KrF lithography light source with 60 W output (1.5x greater than the previous model), supporting 300+ wafers per hour throughput, with module lifespan extended by 200%; first major update in 15 years.
• G45K KrF Excimer Laser 4 kHz KrF excimer laser for state-of-the-art memory chip production with 50 W maximum output (25% increase), helium-free operation, and module lifetime extended by 20%.
• G300K KrF Excimer Laser for Ultra-Fine Ablation Processing 300 W KrF excimer laser for ultra-fine ablation processing with 4,000 Hz repetition rate and 99%+ availability, designed for 2.5D/3D advanced packaging and micro-via processing for AI chipsets.
• Fabscape Equipment Monitoring and Analytics Platform Open, vendor-independent data and application platform for semiconductor manufacturing equipment monitoring, management, and analytics, enabling custom dashboards, wafer/lot-level analysis, error monitoring, availability metrics, and predictive maintenance scheduling across production lines.

Quantifiable outcome

• 18% reduction in unplanned downtime through predictive maintenance module
• +7 more outcomes

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability3 records

Feature8 records

Partnerships

Four partnerships are on record, tiered core, strategic and minor.

• ORC MANUFACTURING CO., LTD.coreStrategic or Co-development PartnerORC MANUFACTURING integrates Gigaphoton's G300K KrF excimer laser into their processing equipment for semiconductor package substrates. This partnership enables advanced micro-via processing for 2.5D/3D semiconductor packaging applications.
• New Energy and Industrial Technology Development Organization (NEDO)strategicStrategic or Co-development PartnerGigaphoton was selected by Japan's Ministry of Economy, Trade and Industry (METI) as an assignee for the Post-5G Information and Communications Systems R&D project. NEDO announced the results of this collaboration, involving development of enhanced infrastructure technologies.
• Sumitomo Chemical Co., Ltd.minorStrategic or Co-development PartnerCo-authored technical paper on resist optimization and laser spectral width for LER/LWR reduction at NGL Workshop 2026. Collaborative research partnership for semiconductor process optimization.
• Cabinet Office of the Government of Japan (Moonshot R&D Program)strategicStrategic or Co-development PartnerGigaphoton participates in the Moonshot Research and Development Program's Goal 10, contributing to fusion reactor technology through development of excimer lasers for Pulsed Laser Deposition (PLD). Project aims to establish mass production technology for high-performance REBCO superconducting wires.

Scale indicators10 records

Recent moves14 records

Expansion highlights6 records

Broad incumbents

• ASML: ASML is the dominant lithography equipment manufacturer and parent of Cymer. While ASML focuses on complete scanner systems, its ownership of Cymer makes it the broader incumbent competitor, particularly in advanced EUV nodes where Gigaphoton competes for light source slot allocation.
• MKS Instruments: MKS Instruments provides instruments, subsystems, and process control solutions for semiconductor manufacturing. Its equipment monitoring and analytics capabilities overlap with Gigaphoton's Fabscape platform and predictive maintenance offerings for semiconductor fab environments.
• IPG Photonics: IPG Photonics is a leading manufacturer of high-power fiber lasers and amplifiers with applications spanning industrial, medical, and semiconductor markets. Its photonics expertise overlaps with Gigaphoton's excimer laser technology base in adjacent laser physics applications.
• TRUMPF: TRUMPF is a major industrial laser manufacturer with semiconductor and microelectronics applications. While broader than Gigaphoton's lithography focus, TRUMPF's laser technology expertise and presence in semiconductor manufacturing equipment makes it a relevant adjacent incumbent peer.
• Coherent Corp. Coherent (formerly II-VI) is a diversified laser and photonics company serving semiconductor manufacturing, materials processing, and other markets. Its laser component portfolio overlaps with Gigaphoton's core technology areas in semiconductor lithography applications.

Regional players

• NuFlare Technology: NuFlare Technology is a Japanese manufacturer of electron beam mask writers and CVD epitaxial equipment for semiconductor manufacturing. As a Japanese semiconductor equipment peer serving the same logic/foundry customer base, NuFlare is comparable in customer overlap and regional market dynamics.
• Lasertec Corporation: Lasertec is a Japanese manufacturer specializing in photomask and EUV inspection equipment for semiconductor manufacturing. While focused on inspection rather than light sources, Lasertec operates in the same Japanese semiconductor equipment ecosystem serving the same fab customers as Gigaphoton.

Others

• ORC Manufacturing Co., Ltd. ORC Manufacturing is a strategic partner that integrates Gigaphoton's G300K KrF excimer laser into its semiconductor package substrate processing equipment. This equipment ecosystem partnership makes ORC an enabling peer in the advanced packaging value chain.
• Komatsu Ltd. Komatsu is the parent company and sole stockholder of Gigaphoton. While primarily a construction and mining equipment conglomerate, Komatsu's semiconductor-focused subsidiary makes it the closest corporate parent peer for understanding Gigaphoton's strategic positioning and capital allocation.

Direct peers

• Cymer (ASML): Cymer, now a wholly-owned subsidiary of ASML, is the direct competitor to Gigaphoton in excimer laser light sources for semiconductor lithography. Both companies supply DUV (ArF/KrF) and pursue EUV light source development for the same semiconductor fab customers globally.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat7 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/gigaphoton-usa-inc.

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles20 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Gigaphoton