What ULTEC does

ULTEC Inc. is a Japanese deep-technology startup founded on April 1, 2025, that curved out from Asahi Kasei Corporation to commercialize aluminum nitride (AlN)-based ultra-wide-bandgap semiconductor devices. Headquartered at the TOIC NAGOYA technology incubator in Nagoya, the company operates with stated initial capital of ¥3,000,000 and is led by CEO Akira Yoshikawa (Ph.D., thin-film crystal growth specialist, former Asahi Kasei R&D engineer) and CTO Ziyi Zhang (who led the 2019 first-pulsed and 2022 first-continuous-wave deep UV laser diode breakthroughs at Nagoya University). Technical Advisor Dr. Maki Kushimoto (2022 MEXT Young Scientists Award and Harold M. Manasevit Young Investigator Award) and Professor Hiroshi Amano (2014 Nobel Laureate in Physics) provide academic leadership, and ULTEC is the 88th Nagoya University Certified Startup with access to the university's C-TEFs semiconductor fabrication facility.

ULTEC's core technology is AlN, AlGaN, and GaN thin-film growth via Metal-Organic Vapor Phase Epitaxy (MOVPE), combined with in-house device design and fabrication covering high-quality single-crystal substrate preparation, advanced thin-film growth, stable fabrication processes, and laser diode characterization. The flagship product is a deep ultraviolet laser diode emitting at wavelengths below 300 nm, which achieved the world's first continuous-wave operation in the UVB range (280-300 nm) through collaboration with Nagoya University. The product portfolio also includes Far-UV LEDs, Deep UV Sensors, and High-Voltage Power Devices, all built on the AlN ultra-wide-bandgap material platform.

ULTEC generates revenue through direct hardware sales of its nitride semiconductor devices, with pricing not publicly disclosed and customer acquisition conducted via direct contact through the company website. Target end-markets span semiconductor manufacturing, sterilization and healthcare, chemical and biosensing, resin curing, lithography, and materials processing, reflecting a deliberate horizontal segmentation across all applications enabled by sub-300nm deep UV light. The go-to-market motion is event-driven, anchored on exhibitions such as SPIE Photonics West (San Francisco, January 2026) and OPIE (Yokohama, April 2026), academic conferences including ICNS-15 and OPIC, and startup competitions such as Photonics Challenge 2026. As of the latest inputs, ULTEC remains pre-revenue and in early commercial stage, with no disclosed institutional investors or commercial customer deployments.

Name

ULTEC

Legal name

ULTEC Inc.

Website

https://ultec.co.jp

Company type

Private

Founded year

2025

Operating status

Operating

Headcount range

1–10 employees

Short description

ULTEC Inc. is a Japan-based deep-technology startup founded April 2025 that commercializes aluminum nitride ultra-wide-bandgap semiconductor devices, including the world's first continuous-wave deep UV laser diode operating below 300nm for semiconductor, sterilization, and sensing applications.

Ownership category

akta.pro rank

Product category

Semiconductor Devices

NAICS

Electric Lamp Bulb and Other Lighting Equipment Manufacturing (335139)

SIC

Optical Instruments & Lenses (3827)

akta.pro primary industry

Optoelectronic Emitters (LED/Laser/VCSEL) (HDAHALAL)

akta.pro secondary industries

High-Voltage, Power Discretes & Modules (IGBT/MOSFET/SiC/GaN) (HDAHAAAK), Epitaxy Materials & Services (Epi Wafers/MBE/MOCVD) (HDAHAGAC)

Keywords

• Deep UV laser diodes
• Aluminum nitride semiconductors
• Ultra-wide-bandgap devices
• UV-C light sources
• Nitride semiconductor wafers

Headquarters

HQ city

Kita

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Nitride Semiconductor Device Manufacturing and Sales: Manufacturing and sales of nitride semiconductor devices including deep UV laser diodes, far-UV LEDs, deep UV sensors, and high-voltage power devices. The company was founded in April 2025 and is in early commercial stage.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

ULTEC develops and manufactures Aluminum Nitride (AlN)-based ultra-wide-bandgap semiconductor devices, with its flagship product being a deep ultraviolet laser diode emitting light at wavelengths below 300nm (UV-C range). The company operates a full-stack capability spanning AlN, AlGaN, and GaN thin-film growth via Metal-Organic Vapor Phase Epitaxy (MOVPE), through device design, fabrication, and evaluation. Its product portfolio includes deep UV laser diodes, far-UV LEDs, deep UV sensors, and high-voltage power devices sold to semiconductor manufacturers, research institutions, and industrial companies.

Product overview

ULTEC Corporation develops aluminum nitride-based ultra-wide-bandgap semiconductor devices. The core product is the Deep UV Laser Diode, emitting light at wavelengths under 300 nm, representing a major milestone as the world's first practical deep UV laser diode achieving continuous-wave operation. The product portfolio also includes Far-UV LEDs, Deep UV Sensors, and High-Voltage Power Devices, all leveraging AlN-based materials technology for applications in semiconductor manufacturing, sterilization, chemical/biosensing, resin curing, lithography, and materials processing. The company curved out from Asahi Kasei Corporation in April 2025, with founding technology based on research from Nagoya University.

Differentiator

Problem solved

Functional benefit

Products and services

• Deep Ultraviolet Laser Diode Aluminum nitride-based deep UV laser diode emitting light at wavelengths under 300nm (UV-C range). Compact and energy-efficient laser source for semiconductor manufacturing, sterilization, high-precision inspection, chemical/biosensing, resin curing, lithography, and materials processing.
• Far-Ultraviolet LED Aluminum nitride-based far-UV LED technology as part of ULTEC's ultra-wide-bandgap semiconductor portfolio, leveraging the same AlN/AlGaN/GaN thin-film growth platform as the deep UV laser diode.
• Deep Ultraviolet Sensor AlN-based deep UV sensor technology for detection and sensing applications in the deep ultraviolet wavelength range.
• High-Voltage Power Device Aluminum nitride-based high-voltage power device leveraging ultra-wide-bandgap semiconductor technology for power electronics applications requiring high breakdown voltage and efficiency.

Quantifiable outcome

• World's first continuous-wave operation in UVB wavelength range of 280-300nm

Segments4 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered minor and core.

• Kinmon Lightwave Inc.minorChannel Partner/ Reseller/ Distributor · 22 April 2026Kinmon Lightwave Inc. hosts ULTEC at their booth (C-10) during OPIE2026 exhibition at Pacifico Yokohama (April 22-24, 2026), providing exhibition space and distribution channel access.
• Nagoya UniversitycoreStrategic or Co-development Partner · 1 May 2025ULTEC collaborates extensively with Nagoya University, leveraging C-TEFs (Center for Technology and Engineering for Future Semiconductors) facilities for R&D. Joint research achieved world's first continuous-wave operation in UVB wavelength range (280-300nm). ULTEC is the 88th Nagoya University Certified Startup.
• Asahi Kasei CorporationcoreStrategic or Co-development Partner · 1 January 2025ULTEC was curved out from Asahi Kasei Corporation in 2025, inheriting deep UV laser diode technology developed at Asahi Kasei. The original breakthrough (2019 pulsed emission, 2022 continuous-wave operation) originated from Asahi Kasei and Nagoya University Amano Laboratory collaboration.

Scale indicators4 records

Recent moves7 records

Expansion highlights6 records

Others

• Asahi Kasei Corporation: Asahi Kasei is ULTEC's former parent (it curved out of the deep UV laser diode program in 2025) and now owns HexaTech and Crystal IS. Asahi Kasei is a critical supplier, customer, and potential acquirer; it sits adjacent to ULTEC in the same AlN deep-UV supply chain.

Broad incumbents

• Coherent: Coherent is a major diversified laser company with extensive UV/laser product lines (excimer, diode, gas). ULTEC's deep UV laser diodes are a potential semiconductor alternative to Coherent's excimer and gas UV lasers for lithography, inspection, and materials processing.
• Hamamatsu Photonics: Hamamatsu Photonics is a Japanese specialty photonics company with broad UV light sources, detectors, and sensors. ULTEC's deep UV laser diodes and deep UV sensors target overlapping customers (semiconductor inspection, biosensing), making Hamamatsu a logical broad incumbent peer.
• Nichia: Nichia is the global leader in GaN-based blue LEDs and laser diodes and a pioneer of nitride semiconductor optoelectronics. Nichia does not yet produce UV-B/UV-C laser diodes at scale, making it the canonical broad incumbent whose roadmap ULTEC aims to pioneer.

Direct peers

• Seoul Viosys: Seoul Viosys is the parent of SETi and a global leader in UV-C LED products. ULTEC's deep UV laser diodes target overlapping sterilization, sensing, and curing applications, making Seoul Viosys the most direct competitor in UV-C solid-state light sources.
• Crystal IS (Asahi Kasei): Crystal IS develops AlN-based UV-C LEDs and is now an Asahi Kasei subsidiary — the same corporate parent ULTEC curved out from. Crystal IS is a direct competitor in AlN-based deep UV emitters and a potential channel partner or acquirer.
• LG Innotek: LG Innotek is a major Korean UV LED supplier focused on UV-C for sterilization and water/air purification. ULTEC's laser diode product overlaps in target applications and competes on form factor and efficiency.
• Nikkiso: Nikkiso's Tamarack subsidiary is a leading UV-LED (UV-B/UV-C) device and module maker for sterilization and medical applications. ULTEC's deep UV laser diodes target the same end-customers and overlap with Nikkiso's deep-UV LED roadmap.
• Sensor Electronic Technology (SETi): SETi (a Seoul Viosys company) is one of the most established UV LED / UV-B/UV-C device makers globally. ULTEC competes head-on with SETi in deep-UV emitter technology, with ULTEC adding the laser diode dimension that SETi does not currently offer in the UVB range.
• HexaTech (Asahi Kasei): HexaTech is the leading supplier of single-crystal AlN substrates — the foundational material for ULTEC's deep UV laser diodes. It is now under Asahi Kasei, providing both material supply leverage and a competing AlN-based device ecosystem for ULTEC.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/ultec_corp
• LinkedInlinkedin.com/company/ultec-inc

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 ULTEC