Founder Haruo Uoo’s trajectory
Established: March 1964 (Showa 39)
Developed the first halogen lamp in Japan
Improved light efficiency by rotating the lamp from vertical to horizontal. Since then, the horizontal lighting method has become mainstream
Delivered Ushio's first solar simulator to the University of Tokyo Aerospace Research Institute
At a time when contact methods were mainstream, first in the world to commercialize projection method. The origin of Ushio's current exposure equipment "UX series"
The world's largest output at the time
Used in the symbol of Expo '70, the "Tower of the Sun" in Osaka
Certified at the CIE (International Commission on Illumination) conference. Ushio's light became a global standard
A pioneering information display system using light, precursor to today's LCD displays
Five times longer lifespan, twice as bright, half the size compared to conventional products. Ushio's fishing light has spread across Asian countries
Equipped with 19 water-cooled xenon short arc lamps, delivered to the Japan Aerospace Exploration Agency (JAXA). Later participated in the government’s Sunshine Project
Reduced wafer baking time from several minutes to just a few tens of seconds
Developed for epitaxial crystal film formation. Highly evaluated for its clean, uniform, and rapid energy control unique to light
World's first optical cleaning device that removes microscopic organic compounds (contaminants) on the surfaces of semiconductors and quartz oscillators using low-pressure UV lamp ultraviolet light. This technology laid the foundation for precise optical cleaning devices using excimer lamps
A compact, handheld UV curing device for UV inks and paints. Enables multi-angle three-dimensional irradiation due to handheld operation
Ushio's first optical device, a resist curing device for pre-etching treatment, incorporated into the super LSI manufacturing line. Uses powerful deep ultraviolet (DUV) to prevent deformation and sagging of resist, maintaining high precision of micro-patterns in a short time
A new model developed in 1972 with enhanced light collection. Contributes to improving the efficiency of assembly processes for precision devices such as electronic and optical components by shortening the bonding time to seconds or less
Sale of lamps
An apparatus that engraves high-definition circuit patterns onto film substrates. As the substrate becomes sheet-shaped, it allows laptops, mobile phones, LCD displays, and others to be smaller, thinner, lighter, and even bendable.
A heater light source that coats special ceramics on the surface of halogen lamps, emitting a peak of 3 to 5 μm far-infrared rays. It is used in heating, drying, cooking, as well as in food processing and healthcare fields.
Sale of lamps.
Removes unnecessary resist on the wafer periphery with high precision and sharpness using ultraviolet light. Significantly contributes to improving semiconductor productivity and process cleanliness.
Sale of fishing gear.
Manufacture and sale of lamps.
Lighting effects for stores aiming to enhance brightness, increasingly common in department stores and large shopping centers.
Manufacture and sale of industrial electronic equipment.
Enables four times larger circuit pattern engraving on ICs of the same size by using a narrow-band peak at 365 nanometers (i-line).
Removes unnecessary resist around wafers along chip shapes, enabling waste-free wafer utilization.
Manufacture and sale of projection equipment.
Sale of lamps.
First in the world to commercialize. Initially used for optical cleaning in the LCD industry.
Developed for micro-machining. Achieved for the first time an irradiation area of 200 mm square (conventional 70 mm square) and a focal depth of 100 microns (conventional several tens of microns) using ultra-high-pressure UV lamps and projection exposure technology.
Uses a super-line cut mirror with a network pattern, achieving 1.5 times the light collection efficiency, about 20% energy saving, and compactness.
A fine cleaning device that removes organic compound dirt, a high-tech challenge, using light. It offers over ten times the cleaning speed and quality compared to wet cleaning with water or chemicals, consumes one-third the power, and allows low-temperature processing.
Holding company.
Manufacture and sale of lamps.
Sale of lamps.
Developed for calibration of the SeaWiFS Ocean Color and Sea Surface Temperature Scanner (OCTS) and the high-performance visible and near-infrared radiometer (AVNIR).
8kW ultra-high-pressure UV lamp developed for liquid crystal color filter exposure. To accommodate larger substrates. The lamp output is also increasing.
Inter-electrode precision 0.1 millimeters, 250W. Pioneer of the subsequent projector ultra-high-pressure UV lamp "NSH lamp".
Sale of lamps.
Research and development of light sources and optical devices.
Light source for reading OA equipment. Achieves more than twice the high brightness and high stability compared to conventional small fluorescent lamps, significantly contributing to the speed-up of next-generation digital copiers.
Supports large-screen display and improved image quality of DLP (Digital Light Processing) projectors. High-brightness light source developed based on ultra-high-pressure UV lamps.
Manufacture and sale of lamps.
Upgraded the UX-5 developed in 1999 to meet the demands of the current generation. Moreover, by modularizing key functions such as lenses, alignment, light sources, and transport, it is possible to upgrade and customize only the necessary functions in the future.
Ushio Marine Co., Ltd. was merged into Ushio U-Tech Co., Ltd.
Established GigaPhoton Inc. (development, manufacturing, and sale of excimer lasers for lithography, etc.).
Reorganized Christie Group into Christie Digital Systems, Inc., Christie Digital Systems USA, Inc., and Christie Digital Systems Canada Inc.
Established Ushio U-Tech (Hong Kong) Co., Ltd. in Hong Kong (renamed Ushio Lighting (Hong Kong) Co., Ltd., liquidated in March 2010, sales of industrial machinery).
Ceramic Xenon Lamp (integrated mirror type Xenon lamp).
Flash lamp annealing, instant heating of only the surface in 1/1,000 seconds. Bonding of micro transistors on LSI substrates.
Step & Repeat Projection Exposure Equipment "UX-7".
Acquired US-based Event Audio Visual Group, Inc. (video equipment rental business).
Established Ushio Shanghai, Inc. in China (lamp sales).
TAB inspection device. Circuit pattern inspection device for flexible printed circuit boards (TAB). Captures the pattern of the illuminated board with a CCD camera and judges through image processing.
Established Ushio (Suzhou) Co., Ltd. in China (manufacture and sale of lamps).
Ushio Lighting Co., Ltd. and Ushio U-Tech Co., Ltd. merged with Ushio U-Tech Co., Ltd. as the surviving company, and renamed Ushio Lighting Co., Ltd.
Ushio Oregon, Inc. was merged into Ushio America, Inc.
Established Christie Digital Systems (Shanghai), Ltd. in China (sales of digital video equipment)
Spray coater coats resist uniformly and continuously on three-dimensional surfaces with unevenness of 200 micrometers without interruption.
UV irradiation device for bonding liquid crystal panels (ODF). A device that bonds and encloses liquid crystals on glass substrates by light. By switching from the traditional 'injection method' to a 'dropwise method,' the bonding process time for attaching glass substrates and sealing liquid crystals has been drastically reduced from 10 hours to just a few minutes.
Established Hyogo Ushio Lighting Corporation (lamp manufacturing, liquidated in November 2012)
Acquired a 50% stake in Germany's XTREME Technologies GmbH (development, manufacturing, and sales of EUV light source devices), which was liquidated in December 2017.
Acquired Polish company Natrium S.A. (now Ushio Poland Sp. zo. o., lamp manufacturing).
Mask/Pellicle foreign matter inspection device that automatically inspects foreign matter on the top surface of reticles and pellicles used in exposure equipment in a short time.
Infrared therapy device 'Cerabeam VR630' equipped with a special metal halide lamp that peaks at wavelengths of 630nm and 670nm in the infrared region.
Acquired US company Vista Controls Systems, Corp. (integrated into Christie Digital Systems USA, Inc. in January 2015, manufacturing and sales of image processing systems).
Acquired Epitec Corporation (now Ushio Electric Co., Ltd., manufacturing and sales of LEDs).
Established Ushio Shenzhen, Inc. in China (lamp sales).
Acquired 100% stake in XTREME Technologies GmbH, making it a wholly owned subsidiary.
UV therapy device 'Cerabeam® UV308' that uses excimer lamps to irradiate UV light with higher effectiveness at 308nm, treating conditions such as psoriasis, vitiligo, and atopic dermatitis. It is the world's first UV therapy device equipped with an excimer filter, reducing risks to healthy skin and enabling effective and safe irradiation therapy.
Multi-filament heater with temperature control, developed for semiconductor and solar cell manufacturing. It features independent filaments to raise the temperature of peripheral areas where temperature tends to drop, enabling optimal heating of necessary light at necessary places in necessary amounts.
Acquired US company Necsel Intellectual Property, Inc. (development, manufacturing, and sales of semiconductor lasers).
Acquired US company Luminetx Corporation (Christie Medical Holdings, Inc., manufacturing and sales of medical devices, sold in June 2019).
LED-equipped spot UV irradiation device 'SPL-1'. It was the first to incorporate an LED light source in the long-standing collimated UV irradiation device 'Spot Cure' since 1972.
Established Christie Digital Systems (Shenzhen) Co., Ltd. in China (manufacturing of digital video equipment).
Acquired all shares of US company Necsel Intellectual Property, Inc. (development, manufacturing, and sales of semiconductor lasers), making it a wholly owned subsidiary.
Large-area projection exposure equipment 'UX-4' series equipped with projection lenses capable of processing large areas at once. Announced in 2010: 'UX4-LEDs' for high-brightness LED manufacturing, and 'UX4-ECO' for power semiconductor manufacturing; in 2011: 'UX4-3Di' for 3D LSI device manufacturing and 'UX4-MEMS' for MEMS manufacturing.
Transferred all shares of GigaPhoton Corporation to Komatsu Ltd.
Equipped with only 1-2 LED chips per module, achieving brightness comparable to conventional rare gas fluorescent lamps. Additionally, power consumption is reduced by 75%.
Compatible with UV inkjet printers that apply tiny inks non-contact and directly, and cure ink quickly with ultraviolet light. Features include instant ON-OFF control to prevent power loss and productivity decline, long lifespan unique to LEDs, and environmentally friendly mercury-free design.
The world's thinnest 4.9mm UV thin-type illuminance meter. Wireless type eliminates complicated wiring, and it can accurately measure and manage UV illuminance under actual manufacturing conditions without being affected by height restrictions or irradiation distance, thereby improving quality in various UV processes.
Established Christie Digital Systems South America Ltda. in Brazil (sales of digital video equipment).
Acquired additional shares of Adtech Engineering Co., Ltd. through a tender offer, making it a consolidated subsidiary.
Renamed Ushio Singapore Pte. Ltd. to Ushio Asia Pacific Pte. Ltd.
Established Ushio America Holdings, Inc. in the United States (North American holding company).
Established Ushio (Shaoguan) Co., Ltd. in China (lamp manufacturing).
Acquired VR Solutions Pty. Ltd. in Australia and its subsidiaries VR Solutions India Pvt. Ltd. (now Christie Digital Systems Australia Pty. Ltd. and Christie Digital Systems (India) Pvt. Ltd., digital video equipment sales).
Renewed UX-7 developed in 2002 for cutting-edge semiconductor device manufacturing with 2.5D lamination structure. Supports φ200mm and φ300mm wafers, equipped with a large-aperture projection exposure lens with a large shot size of 78×66mm, significantly reducing manufacturing costs of interposers through large-area substrates and high throughput.
A5-sized excimer light irradiator enabling tabletop excimer light experiments. Allows simple and flexible excimer light experiments such as hydrophilization and modification.
Established Ushio Asia Pacific (Thailand) Ltd. in Thailand (lamp sales).
Established Christie Digital Systems Mexico, S. DE R.L. DE C.V. in Mexico (sales of digital video equipment).
First in Japan to realize quantitative analysis of serum ferritin using immunochromatography. Also sells dedicated reagents.
UV irradiation device for implants.
Acquired Arsenal Media Inc. in Canada (now Christie Digital Systems Canada Inc., planning and production of digital content).
Established Ushio Opto Semiconductors Corporation (now Ushio Inc., manufacturing and sales of LEDs and semiconductor lasers).
Acquired additional shares of Adtech Engineering Co., Ltd. through share exchange, making it a wholly owned subsidiary.
Acquisition of Coolux GmbH in Germany (now Christie Digital Systems Germany GmbH, manufacturing and sales of digital content control equipment)
Acquisition of Maxray Corporation (now Ushio Lighting Corporation, sales of lighting fixtures)
Change of company name from Epitec Corporation to Ushio Epitec Corporation
Acquisition of Allure Global Solutions, Inc. in the United States (sold in November 2018, providing digital signage solutions)
Compared to conventional models, illuminance increased threefold and UV bonding process time reduced to one-third
A compact personal spectrophotometer that can measure and detect concentrations of proteins, heavy metals, endocrine disruptors, DNA, etc., in conjunction with smartphones and tablets
Acquisition of American Green Technology, Inc. in the United States (excluded from consolidation in December 2018, sale of lamps)
Acquisition of PD-LD, Inc. in the United States (now Necsel Intellectual Property, Inc., development, manufacturing, and sales of semiconductor lasers)
Relocation of headquarters to Marunouchi, Chiyoda-ku, Tokyo
Acquisition of Sansolitt Corporation (sales of medical skincare products)
Ushio Opto Semiconductors Corporation and Ushio Epitec Corporation merged, with Ushio Opto Semiconductors Corporation as the surviving company
Establishment of Ushio Medical Technology (Suzhou) Co., Ltd. in China (research, development, production, and sales of advanced medical technology and core parts, as well as peripheral equipment)
Handheld ultraviolet light therapy device "Cerabeam UV308" that irradiates affected areas such as psoriasis, vitiligo, and atopic dermatitis with 308nm ultraviolet light and excimer light
First in the world, a visualization lighting sheet beam laser that directly uses light from laser diodes (LD) in fluid analysis
Establishment of Ushio Entertainment Holdings Corporation (comprehensive business of entertainment-related group companies in Japan)
Achieving high output operation and long life even in high-temperature regions by adopting optimized active layer structure, emission region, and high heat dissipation package
Success in increasing the output of near-infrared LEDs (Short Wavelength Infrared, SWIR) by approximately 1.5 times compared to conventional products
Ushio Lighting Corporation absorbed Maxray Corporation
New lineup of UV-LED drying devices "UniJet series" for offset sheet-fed printing machines. Maintains high illuminance and high accumulated light amount even at a distance
New model of the "Cerabeam® UV308" series launched in 2008
Eximer laser irradiation units for semiconductor manufacturing processes. Achieves 5 times higher brightness and 60% downsizing in volume compared to conventional products
UV-LED drying equipment for rotary printing presses
Wood lamp (translucent lighting device) "Cerabeam® Woody"
EUV light source for EUV mask inspection in mass production processes
Achieved the world's highest CW light output of 200mW
Realizes shortened curing time during electronic component bonding by irradiating a wide wavelength range (300-1000nm) from infrared (IR) to ultraviolet (UV)
UV light source module that is the core of the antiviral and sterilization technology "Care222®" usable in manned environments. Combines Osram's proprietary optical filters to cut wavelengths that adversely affect the human body
Pre-treatment for bonding and sealing processes in automobile parts and smartphone manufacturing processes. Can be installed directly on existing production lines without special auxiliary equipment, solving issues related to cleaning and bonding processes at minimal cost, and improving quality and yield
Achieves the world's highest output (19W) and simultaneous irradiation at an oblique angle. Enables miniaturization and cost reduction of irradiation equipment
UV irradiation device equipped with "Care222®" antiviral and sterilization technology that can be used in manned environments. Can be installed similar to conventional lighting fixtures, enabling UV irradiation of environmental surfaces and air in manned environments, which was not possible with traditional UV irradiation devices
First in Japan, realizes UV light reaching deep into the dermis using our own 365nm LED, which was previously unreachable
Significantly downsized by adopting air cooling system
Enables sterilization of multiple locations with a single unit using a moving light type
Light source module with wide illumination area, capable of irradiating a broader range with a single unit
Equipped with a wide illumination type module, enabling UV irradiation over a wider area with a single unit
Realizes sustainable "UVB-LED phototherapy" with long lifespan and low power consumption
Achieves significant cost reduction despite high power of 25W fiber output for heating and processing metals such as gold and copper in various manufacturing processes
Maintains the conventional 250mm square irradiation area and footprint, while achieving the world's highest resolution of L/S=3μm and significant improvement in overlay accuracy as a steppers for IC package substrates
Can be connected in four directions (front, back, left, right) according to customer requests
Significantly improves accumulated light amount and miniaturizes by Osram's proprietary device cooling technology
Adoption of a unique electrode structure enables the industry’s smallest class of irradiation machine size
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Ushio Electric Co., Ltd. notified that it corrected part of the "2026 March Fiscal Period Earnings Summary (Japanese GAAP) (Consolidated)" announced on May 14, 2026, and that there were also corrections to numerical data. The details can be confirmed in the attached PDF document.
Ushio Electric Co., Ltd. announced personnel changes dated November 1, 2026. Details can be found in the attached PDF.
Ushio Electric began domestic sales of the new model 'CeravBeam® UV308 Pro' in the UV treatment device series 'CeravBeam® UV308' on October 1, 2026. The series has been used in about 1,500 facilities since its 2008 launch.
Ushio Electric announced that it will discontinue sales of the LED spot UV irradiation device "Spot Cure SP-LED-3" and its head due to changes in the business environment. The final order will be by the end of March 2027, and the final shipment will be by the end of June 2027.
Ushio Inc. made personnel changes on September 11, 2026. Please see the attached document for details.
Following a resolution by the board of directors on May 14, 2026, payment procedures were completed for the disposal of treasury shares as restricted stock to the employee shareholding association. The number of shares to be disposed of and related details were also revised due to partial forfeiture. See the notices dated May 14 and 22 for details.
Ushio Electric has continued to be selected as a constituent of the FTSE JPX Blossom Japan Index and the FTSE JPX Blossom Japan Sector Relative Index, which are representative ESG investment indices. These indices measure the performance of companies that meet environmental, social, and governance criteria and are used for sustainable investment.
Ushio Lighting Co., Ltd. and Zeebex Co., Ltd. will merge on October 1, 2026, and the surviving company Ushio Lighting will change its name to Zeebex Solutions Co., Ltd. Even after the merger, Zeebex Solutions will continue to exist as a subsidiary of Ushio Electric.
Ushio Electric has been selected as a constituent of the 2026 SOMPO Sustainability Index, maintaining its selection based on long-term ESG evaluation.
There has been a change in the major shareholder of Ushio Electric as of June 30, 2026.