What TYK Corporation does

TYK Corporation is a Japanese industrial manufacturer of functional refractories and fine ceramics serving high-temperature process industries worldwide. Founded in 1947 and listed on the Tokyo Stock Exchange (Standard Market) following a prior First Section listing, the company's headquarters is in Tokyo with its main manufacturing campus and three dedicated research institutes (Functional Materials, Environmental Materials, Carbon Materials) in Tajimi, Gifu Prefecture. Its commercial offering is organized around two pillars: (i) functional refractories for steel mills covering the full process chain from blast furnaces through converters, secondary refining (RH/VOD/AOD/LF), and continuous casting, plus refractories for cement kilns and ash-melting furnaces, with ultra-fine pore graphite-SiC blast furnace bricks manufactured by one of only four companies globally; and (ii) new materials including fine ceramics (alumina, magnesia, zirconia, silicon nitride, silicon carbide), advanced carbon materials, metal matrix composites (e.g., Titan Metax), and ceramic sensor systems such as the NOTORP series for continuous real-time hydrogen measurement in molten aluminum and copper, plus NOTORP-G for vapor-phase hydrogen detection. The company also sells refractories to non-ferrous metal producers (MOREX graphite crucibles, SCN products, RGB rotary degassing devices, M Sleeve induction furnace linings, TC sleeves for aluminum die-casting) and environmental products (SiC honeycomb DPFs, silver-based antibacterial agent Graphighter), together with engineering, installation, and analytical testing services.

TYK generates revenue primarily through direct B2B sales of custom-engineered refractory and ceramic products to large industrial enterprises — Japanese and global steelmakers, non-ferrous metal producers, cement manufacturers, waste incineration operators, automotive suppliers, and electronics component manufacturers. Pricing is not publicly disclosed and is determined through direct technical-sales quotations based on product specifications, quantities, and contracts. Distribution runs through 16 domestic sales offices co-located with major Japanese steel works (Nippon Steel sites at Kashima and Wakayama, JFE Kimitsu, etc.) plus an integrated engineering service arm, and is extended internationally through nine overseas group companies and representative offices covering the US (Clairton, PA manufacturing), UK (Chilton manufacturing), Germany (Oberhausen), France (Dunkerque), Taiwan, China (Qingdao manufacturing), India, Indonesia, Vietnam, and Thailand. Overseas sales account for approximately one-quarter of consolidated revenue. The company is family-controlled — Chairman Ushigome Susumu (牛込進) and President Ushigome Shin (牛込伸) are both Ushigome family members — while operating with a diversified public shareholder base on the TSE Standard Market. FY ending March 2025 consolidated revenue was ¥319B and consolidated headcount was 911 employees.

The business model carries characteristics of a mission-critical industrial supplier: products are qualified into long-lifecycle customer assets (blast furnace brick campaigns of 20+ years), competition is structurally constrained (only four global blast-furnace-brick producers, MOREX #1 Japan share since 1954), and switching costs are high due to kiln downtime and requalification. The principal customer concentration risk lies with the iron-and-steel vertical, which TYK itself identifies as its core segment, supplemented by non-ferrous metals, cement, automotive, electronics, and waste processing. Top-line diversification comes from a portfolio of more than 10,000 SKUs and from instrument/sensor products such as the NOTORP series and MZR continuous temperature probes (over 1,000 units shipped annually for continuous casting tundish applications). The principal growth optionality is geographic (overseas sales still only ~25%) and adjacent-product expansion (NOTORP-GII hydrogen leak detector, Hydro-G PEM hydrogen generator, environmental ceramics) layered on top of a stable refractory cash engine.

Name

TYK Corporation

Legal name

株式会社TYК

Website

https://tyk.co.jp

Company type

Public

Founded year

1947

Operating status

Operating

Headcount range

501–1,000 employees

Short description

TYK Corporation is a Japanese industrial manufacturer of functional refractories, fine ceramics, and ceramic sensor systems serving steel, non-ferrous metal, cement, automotive, and electronics producers worldwide through direct technical sales and overseas subsidiaries.

Ownership category

akta.pro rank

Product category

Industrial Refractories

NAICS

Clay Product and Refractory Manufacturing (3271), Nonmetallic Mineral Product Manufacturing (327), Chemical Manufacturing (325)

SIC

Industrial Process Furnaces & Ovens (3567), Pottery & Related Products (3260), Nonferrous Foundries (Castings) (3360)

akta.pro primary industry

Industrial Furnaces, Kilns & Thermal Processing Equipment (IMAHAEAE)

Keywords

• Refractory materials
• Fine ceramics
• Industrial gas sensors
• Blast furnace bricks
• Graphite crucibles

Headquarters

HQ city

Tajimi

HQ country

Japan

HQ region

Asia

Offices26 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Refractory Materials Sales: Sale of functional refractory products for iron and steel manufacturing, non-ferrous metals, cement, and waste incineration. Includes blast furnace bricks, converter refractories, secondary refining refractories, flow control refractories, and continuous casting refractories.
2. Fine Ceramics / New Materials: Sale of fine ceramic products including alumina, magnesia, zirconia, silicon nitride, silicon carbide, advanced carbon materials, metal matrix composites, and aluminum titanate sintered bodies.
3. Refractory Engineering Services: Integrated engineering services from material design, structural design, construction supervision to completion, providing comprehensive refractory solutions including pre-cast blocks and custom engineering.
4. Analytical Testing Services: External analytical testing and measurement services using atomic absorption spectrophotometry, FT-IR, TG-DTA, particle size distribution, specific surface area, carbon/sulfur analysis, SEM-EDS/WDS, X-ray fluorescence, X-ray diffraction, and thermal expansion measurement.
5. Gas Sensors and Measurement Devices: Manufacture and sale of industrial gas sensors including NOTORP series for hydrogen concentration measurement in molten metals, NOTORP-G for gas-phase hydrogen detection, and oxygen sensors for furnace atmospheres.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

TYK Corporation manufactures and sells functional refractory products (blast furnace bricks, converter refractories, sliding nozzles, RH immersion tubes, continuous casting refractories), fine ceramics (alumina, magnesia, zirconia, silicon nitride, silicon carbide), advanced carbon materials, and proprietary ceramic-based gas sensors (NOTORP series) for high-temperature industrial applications. The company serves iron and steel manufacturers, non-ferrous metal producers, cement plants, waste incineration operators, automotive manufacturers, and electronic component makers through direct sales offices in Japan and overseas subsidiaries.

Product overview

TYK Corporation is a leading manufacturer of functional refractory materials and fine ceramics serving high-temperature industries worldwide. The product portfolio centers on refractory products for steel manufacturing (including blast furnace bricks, lance pipes, sliding nozzles, and continuous casting components), non-ferrous metal processing (MOREX crucibles, SCN products, RGB degassing devices), and advanced materials (fine ceramics, composite materials, and specialty carbon products). Measurement and control devices include the NOTORP series (hydrogen/oxygen sensors for molten metal and vapor phase) and MZ continuous temperature probes. Environmental products include DPF filters and antibacterial agents. The company operates three research institutes (Functional Materials, Environmental Materials, and Carbon Materials) developing next-generation ceramics and measurement technologies. Products are primarily manufactured in Japan with global distribution through subsidiaries in the US, UK, Germany, Taiwan, China, India, Indonesia, and Vietnam.

Differentiator

Problem solved

Functional benefit

Products and services

• Blast Furnace Bricks Ultra-fine pore (0.05 micrometers) graphite-silicon carbide carbon bricks for blast furnace linings, enabling 20+ years of stable operation. Used by global steel manufacturers for iron-making.
• MZ Continuous Temperature Measuring Probe Ceramic and metal composite probe for continuous temperature measurement of molten steel up to 1800 degrees Celsius, used in continuous casting tundish applications. Over 1000 units shipped annually.
• Sliding Nozzle and System Flow control refractory system using combinations of 2-3 bricks. Compact sliding nozzle device offering safety and workability advantages with reduced maintenance and refractory costs.
• RH Immersion Tubes Refractory tubes for RH vacuum degassing equipment with in-house iron shell welding, gas piping, brick setting, and castable construction under strict quality control.
• MOREX Graphite Crucible Japan's first carbon-bonded graphite crucible, manufactured since 1954, with No.1 market share in Japan. Used for melting aluminum alloys, copper alloys, zinc alloys, and induction furnaces.
• SCN Products (Stokes and L-shaped Lances) Silicon carbide bonded with silicon nitride products (Stokes and L-shaped Lances) offering high strength, excellent spalling resistance, and high corrosion resistance against non-ferrous metals especially aluminum alloys.
• RGB Rotary Degassing Device Rotary gas bubbling device using corrosion-resistant ceramic impellers for removing dissolved hydrogen gas from molten aluminum, reducing pinhole defects and improving yield.
• NOTORP Hydrogen/Oxygen Concentration Measuring Devices Ceramic sensors for real-time continuous measurement of hydrogen gas concentration in molten aluminum (KYHS-BU2) and hydrogen/oxygen levels in molten copper (C2 continuous type, CS-1 spot type). Unique continuous measurement technology with no comparable competitors.
• TC Sleeve (Die-cast Sleeve) Metal matrix composite material 'Titan MetaX' combining titanium with uniformly dispersed high-strength ceramic particles, providing corrosion and wear resistance for aluminum alloy die-cast injection sleeves. Particularly effective for low-speed die-casting.
• ALT (Aluminum Titanate Sintered Body) Aluminum titanate sintered body with proprietary crystal grain boundary control technology, achieving high strength while maintaining low thermal expansion. Used for molten aluminum components, copper alloy horizontal continuous casting break rings, and furnace components.
• Fine Ceramics (Alumina, Magnesia, Zirconia, Silicon Nitride, Silicon Carbide) Fine ceramic materials including alumina, magnesia, zirconia, silicon nitride, and silicon carbide for industrial applications including wear-resistant parts, setters, and structural components.
• Graphite Sheets High-purity natural graphite processed into sheet form without binders or additives, used for gaskets, cushions, spacers, and heat dissipation materials.
• Special Carbon Materials Special carbon materials with high thermal conductivity, chemical stability, and lubricity properties. Used in steel-related and electronic parts industries as alternatives to metal and ceramic components.
• Sialon-BN Composite Sintered Body Composite sintered body combining sialon and boron nitride for high corrosion resistance and thermal shock resistance. Used for molten metal components, protection tubes, steel horizontal continuous casting break rings, and furnace components.
• DPF (Diesel Particulate Filter) Porous silicon carbide (SiC) honeycomb filter for filtering particulate matter from diesel engine exhaust gas, featuring low pressure loss, high PM collection efficiency, and excellent thermal shock resistance.
• NOTORP-G (Vapor Phase Hydrogen Sensor) Proton conductive ceramic sensor for measuring hydrogen concentration in gas phase. Used in steel carburizing and nitriding processes, and exhaust gas measurement applications.
• NOTORP-GII (Hydrogen Leak Detector) Hydrogen gas leak detector using proton conductive ceramics that responds only to hydrogen. Available in fixed type and suction type configurations.
• Hydro-G (Hydrogen Generation Device) PEM electrolysis hydrogen generator producing high-concentration hydrogen continuously from pure water with AC100V power.
• Brake Pads Metal sintering type brake pads with high friction coefficient and wear resistance. Applied to wind power generators, industrial machinery, and competitive automobiles.
• Graphighter (Inorganic Silver-based Antibacterial Agent) Inorganic silver-based antibacterial agent using proprietary silver ion bonding technology, applied for hydroponic cultivation sterilization and food processing applications.
• Gas Holder System (GHS) System for continuously blowing small amounts of gas from plugs to prevent metal penetration, eliminating gas blowing defects in secondary refining and reducing oxygen cleaning work.
• Refractory Engineering Services Integrated engineering services from material design, structural design, construction supervision to completion, providing comprehensive refractory solutions including pre-cast blocks and custom engineering for steel plants and industrial customers.
• Analytical Testing and Measurement Services External analytical testing and measurement services using atomic absorption spectrophotometry, FT-IR, TG-DTA, particle size distribution, specific surface area, carbon/sulfur analysis, SEM-EDS/WDS, X-ray fluorescence, X-ray diffraction, and thermal expansion measurement.

Quantifiable outcome

• Blast furnace bricks enable 20+ years of stable blast furnace operation
• +4 more outcomes

Named customers7 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Nine partnerships are on record, tiered core.

• Equipment Manufacturers (various)coreTechnology or IntegrationTYK collaborates with equipment manufacturers to develop and manufacture specialized production equipment (such as vacuum forming presses, ultra-high-pressure hydrostatic presses) that are unique to TYK and enable the production of products that cannot be replicated by competitors. This equipment partnership supports TYK's strategy of creating 'products that cannot be copied' through proprietary manufacturing capabilities.
• TYK AMERICA, Inc.coreOthersWholly-owned subsidiary in the United States (Clairton, PA) manufacturing refractory products and serving North American steel and industrial customers.
• TYK EUROPE GmbHcoreOthersSubsidiary serving European markets from Germany (Oberhausen) and France (Dunkerque) offices.
• TYK LIMITEDcoreOthersUK-based subsidiary manufacturing refractory products and serving European customers.
• 台湾東京窯業股份有限公司 (Taiwan Tokyo Yogyo)coreOthersTaiwan subsidiary manufacturing refractory products for the Taiwanese market.
• 青島東窯陶瓷有限公司 (Qingdao Dongyao Ceramics)coreOthersChina-based subsidiary in Qingdao manufacturing refractory products for the Chinese market.
• 明智セラミックス (Akei Ceramics)coreOthersDomestic group company in Gifu Prefecture producing non-ferrous casting refractory products and developing graphite crucible products.
• 株式会社U-セラミック (U-Ceramic)coreOthersDomestic group company (merged from Sumiyoshi Refractory Bricks and Kokko Yogyo in 2002) manufacturing refractory products.
• 株式会社水野セラミックス (Mizuno Ceramics)coreOthersDomestic group company manufacturing ceramic products in Aichi Prefecture.

Scale indicators5 records

Recent moves9 records

Expansion highlights4 records

Direct peers

• HarbisonWalker International: North America's largest producer of refractory products and services for the steel, non-ferrous, and industrial markets. Competes with TYK AMERICA in US steel refractories, particularly in blast furnace and steelmaking product lines.
• Shinagawa Refractories Co., Ltd. Japanese competitor specializing in functional refractories for iron & steel and cement. Most direct domestic peer to TYK, competing head-to-head in converter, ladle, and blast furnace refractories.
• Krosaki Harima Corporation: Japanese refractory manufacturer (part of Nippon Steel group) supplying iron & steel, cement, and non-ferrous industries. Direct competitor to TYK in domestic Japanese blast furnace, steelmaking, and continuous casting refractories.

Broad incumbents

• RHI Magnesita: Global market leader in refractories, supplying iron & steel, cement, non-ferrous, and industrial end markets. Direct competitor to TYK across blast furnace, steelmaking, and non-ferrous refractories, but with a substantially larger product portfolio, global footprint, and procurement scale.
• Vesuvius plc: UK-listed global refractory and technical ceramics supplier serving steel, foundry, and glass customers. Closely comparable to TYK in continuous casting refractories (sliding nozzles, tundish products), flow control systems, and steel mill sensors.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/@TYKcorporation
• LinkedInlinkedin.com/company/tykis

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries15 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 TYK Corporation