TOYOKO KAGAKU

What TOYOKO KAGAKU does

Toyoko Kagaku Co., Ltd. (東横化学株式会社) is a privately-held Japanese industrial gas and process-equipment company headquartered in Kawasaki, Kanagawa, founded in June 1952. The company supplies industrial and specialty gases, gas and chemical delivery systems, semiconductor process apparatus, sensors, and engineering services under its proprietary "Gastronics" (ガストロニクス) concept, serving semiconductor fabs, general industrial manufacturers, medical and dental facilities, agriculture and food-distribution businesses, and residential and commercial customers. It operates through 24+ domestic branch offices across Japan (Tohoku, Kanto, Chugoku, Kyushu) and five wholly-owned overseas locations in Taiwan, Singapore, the United States, China, and Indonesia, reaching end markets across Asia and North America. The company employs 396 people as of May 2026 and reported ¥51.98 billion in sales for FY March 2026.

Core offerings span three interlocking technology areas. First, gas and chemical management: 54+ industrial and specialty gas types (nitrogen, helium, hydrogen, argon, CO2, trichlorosilane, silane, dopant gases), the CC2000S cylinder cabinet series (3,000+ units sold cumulatively), BSGS bulk specialty gas supply systems, ANESYS liquid material supply systems, TCS vaporization equipment for epitaxial silicon growth, CMP slurry supply systems, and a Gas Monitoring System for leak/exhaust monitoring. Second, semiconductor process equipment: the Ailesic ultra-high-temperature thermal processing family (activation annealing to 2000°C and thermal processing to 1670°C for SiC power devices), which holds domestic Japan market share No. 1 in its category, plus the PGM trichlorosilane vapor-supply unit and associated purification/gas-recovery systems (Aura Material). Third, sensors and analyzers: RS-3000 series optical liquid leak sensors, TK-010 series optical liquid level sensors, the award-winning liquid type identification sensor, and the ASTON Impact atmospheric-pressure mass spectrometer. Supporting products include APTech ultra-precision pressure regulators, MiraCool heat-reflective coatings, Pro7 anti-seismic mats, Roxtec cable/pipe sealing, Pragma H-01 hydrogen fuel cells, and solar power systems under a Total Solar Management service.

Revenue is generated through four streams: (1) one-time sale of industrial and specialty gases plus related import/export; (2) capital-equipment sales of semiconductor manufacturing equipment (Ailesic, PGM, CMP slurry systems) sold on project/specification basis, typically multi-year contracts; (3) hardware sales of fluid-control accessories (pressure regulators, cylinder cabinets, valves) plus engineering and construction services (gas piping hook-up, TGCM outsourcing); and (4) direct-to-consumer sales of residential and small-commercial products (solar panels, thermal coatings, earthquake mats) on per-unit pricing. Pricing for B2B industrial products is quote-based and not publicly disclosed. GTM is primarily sales-led through the domestic regional branch network and event-driven via vertical exhibitions (SEMICON Japan, InterAqua, Kawasaki International Environmental Technology Exhibition), complemented by foreign-tech distribution partnerships (APTech, Aura Material, Roxtec, Pragma, Cambridge Application). The company is family-controlled under Chairman Kato Hirohisa and President/CEO Kato Takahiro, with major shareholders including Toyoko Gas Co., Ltd., Arima Corporation, and Bank of Yokohama.

Name

TOYOKO KAGAKU

Legal name

東横化学株式会社

Website

https://toyokokagaku.co.jp

Company type

Private

Founded year

1952

Operating status

Operating

Headcount range

101–250 employees

Short description

Toyoko Kagaku (東横化学) is a Kawasaki-based industrial gas and semiconductor process equipment company founded in 1952. It delivers specialty gases, gas delivery systems, Ailesic SiC thermal processing equipment, sensors, and engineering services to semiconductor, industrial, and residential customers.

Ownership category

akta.pro rank

Headquarters

HQ city

Kawasaki

HQ country

Japan

HQ region

Asia

Offices24 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. 高圧ガス・ケミカル販売: Sale of industrial gases (nitrogen, argon, helium, hydrogen, specialty gases for semiconductors), chemicals, and related products. Also includes gas/chemical import and export operations.
2. semiconductor manufacturing equipment development, design, manufacturing and sales: Development, design, manufacturing and sales of semiconductor manufacturing equipment including gas/chemical supply systems, CMP slurry supply systems, thermal processing equipment (Ailesic), sensors, and process apparatus. Long-term equipment supply relationships with semiconductor fabs.
3. 流体制御機器の開発・製造販売: Development, manufacture and sale of fluid control equipment including pressure regulators (APTech brand), valves, cylinder cabinets (CC2000 series, 3,000+ units sold), BSGS bulk supply systems, and gas/liquid supply accessories.
4. エンジニアリング・設置工事: Gas piping construction (hook-up work), installation services, plant construction, and engineering services for semiconductor and industrial facilities. One-stop total gas and chemical management (TGCM).
5. 太陽光発電システム・住設システム: Total solar power management (TSM) services including panel installation for residential and commercial customers, plus building renovation systems (thermal reflective paint, waterproofing, floor coatings).
6. 水素エネルギーソリューション: Hydrogen energy solutions including hydrogen generators, hydrogen fuel cells (Pragma H-01), and cable/pipeline sealing solutions (Roxtec).

Pricing tiers

Go-to-market motion2 records

Distribution channels6 records

Marketing channels8 records

Core offering

TOYOKO KAGAKU is a Total Gas & Chemical Management (TGCM) provider that supplies industrial and specialty gases (54+ gas types), semiconductor manufacturing equipment including SiC power device heat treatment systems (Ailesic series, Japan No. 1 market share), gas and chemical supply systems (cylinder cabinets, BSGS, CMP slurry systems), sensors (liquid leak, level, type identification), measurement instruments, and related engineering and installation services. It also distributes third-party industrial products (APTech regulators, Roxtec seals, Aura Material purification, Pragma fuel cells, Thrill glass chillers, Process Seven earthquake mats) and consumer/disaster-prevention products (thermal reflective paint, waterproofing, solar systems, earthquake mats, hydrogen fuel cells) primarily in Japan and select Asia/Pacific markets.

Product overview

TOYOKO KAGAKU (東横化学株式会社) is a comprehensive 'Total Gas & Chemical Management' (TGCM) provider serving industrial, semiconductor, and environmental sectors. The company's diversified product portfolio includes: (1) Gases & Chemicals — industrial gases (nitrogen, helium, hydrogen, argon, CO2), specialty gases for semiconductor manufacturing (TCS, silane compounds, dopant gases), and stable isotopes; (2) Gas/Chemi-Cal Supply Systems — cylinder cabinets (series cumulative 3,000+ units), BSGS bulk supply systems, piping engineering, gas monitoring systems (GMS), and gas detection equipment; (3) Process Equipment — SiC power device thermal processing systems (Ailesic series, domestic No.1), CMP slurry supply systems, liquid material supply systems (ANESYS), TCS vaporization supply equipment, and purification/scrubber systems; (4) Sensors — leak sensors (RS-3000/2000/1000 series), liquid level sensors (TK-010 series), liquid type identification sensors; (5) Measurement Instruments — high-sensitivity mass spectrometer (ASTON Impact), ethylene/analyte measurement instruments for agriculture; (6) Environment/Energy — hydrogen fuel cells (Pragma H-01), solar power systems, heat-reflecting paints (MiraCool), waterproofing systems; (7) Building Renovation — seamless waterproofing coatings, floor coatings, thermal barrier paints; (8) Disaster Prevention — earthquake-resistant mats and hardware (Pro7 series); (9) Valves/Accessories — APTech pressure regulators/valves. The company also distributes products from partners including Aura Material (gas purification), Thrill International (glass chillers), and Roxtec (cable sealing).

Differentiator

Problem solved

Functional benefit

Brands

• ガストロニクス (Gastronics): ガスとエレクトロニクスを合体した造語で、当社の事業柱である "ガス\&エレクトロニクス" の総称
• TGCM（Total Gas & Chemical Management）

Products and services

• Industrial and Specialty Gases Comprehensive range of industrial gases (nitrogen, helium, hydrogen, argon, carbon dioxide, propane, oxygen), specialty gases for semiconductor manufacturing (trichlorosilane/TCS, silane compounds, dopant gases, TEOS, TiCl4, SiCl4), and stable isotopes; spans 54+ gas types with supply infrastructure for high-pressure, semiconductor-purity, and research-grade applications.
• Cylinder Cabinet / BSGS (Bulk Specialty Gas System) Safety gas supply equipment for the electronics industry, with cumulative sales exceeding 3,000 units for the CC2000S series alone. BSGS provides large-flow bulk specialty gas supply for liquid crystal and solar cell manufacturing factories. Configured-to-order with SEMI-compliance, safety features, and customization options.
• Ailesic Series SiC Power Device Thermal Processing System Ultra-high-temperature heat treatment equipment for SiC (silicon carbide) power devices. The series includes Ailesic-2000II activation annealing equipment (up to 2000°C, rapid temperature rise/descent) and Ailesic-1400II/1500II/X1700 thermal processing equipment (up to 1670°C), all using All-CVD SiC jigs/fixtures to prevent metal contamination. Holds domestic Japan market share No. 1.
• CMP Slurry Supply System Chemical Mechanical Polishing slurry supply system for semiconductor manufacturing. Features parallel supply method for stable delivery, high-precision mixing, touch panel operation, and automatic water washing; supplies slurry to CMP polishing tools in wafer fabs.
• ANESYS Liquid Material Supply System Liquid material delivery equipment that safely and stably supplies liquids to customer equipment. Supports both centralized and individual supply systems with automatic 2-bottle switching via load-cell liquid quantity management, automatic replenishment mode, gas dissolution suppression, automatic cycle purge, and leak checking.
• PGM Trichlorosilane (TCS) Vaporization Supply Equipment Precision vaporization equipment consisting of a single distillation unit with evaporator and condenser for epitaxial silicon growth processes. Generates highly concentration-controlled TCS/H2 gas mixture (18–32%) with high concentration stability for epitaxial reactors.
• Gas Monitoring System (GMS) Comprehensive gas monitoring and management system for safe and stable gas supply. Includes gas leak monitoring, exhaust gas monitoring, gas center monitoring, and tool monitoring capabilities across the fab/plant.
• Aura Material Gas Purification/Recovery System Gas purification and recovery systems using proprietary hollow-fiber structured adsorbents with high adsorption capacity and gas selectivity. Includes gas dryers, exhaust gas treatment, and VOC removal systems for industrial and semiconductor customers in Japan.
• RS-3000 Series General-Purpose Leak Sensor Optical leak/liquid detection sensor for rapid detection of various liquid types. Features include quick detection (approximately 5 seconds) without absorbent paper, dual main and sub sensors for lift detection, and PFA body for chemical resistance; suitable for gasoline grades, chemical liquids vs. rainwater distinction, and chemical leak monitoring.
• TK-010 Series Liquid Level Sensor Optical liquid detection (level) sensor with non-contact design that generates no contamination. Compact detection unit with NPN (TK010N2) and PNP (TK015N2) transistor outputs; slurry-compatible TK010N2-S1 with triple light emission/reception for bubble and liquid drag resistance.
• APTech Pressure Regulators and Valves Ultra-precision pressure regulators and valves imported from APTech (USA). Available for general industrial, high-purity, and ultra-high-pressure applications, including Integrated Gas System (IGS)-compatible regulators and high-purity process gas regulators.
• High-Sensitivity Mass Spectrometer ASTON Impact Compact, high-sensitivity mass spectrometer capable of monitoring atmospheric-pressure gases. Suitable for continuous monitoring of factory exhaust emissions for industrial and environmental compliance.
• Pragma H-01 Personal Hydrogen Fuel Cell Personal hydrogen fuel cell using aluminum/water chemical reaction to generate power with no secondary batteries required, maintenance-free, zero environmental impact. Output: 12V (5A) and 5V (2.4A USB), 30–40W for 65 minutes. Used for disaster/emergency power and outdoor use in fire-sensitive settings.
• Solar Power Generation System (Total Solar Management / TSM) Total Solar Management (TSM) service providing residential and commercial solar power generation systems from multiple manufacturers selected based on roof shape and sunlight conditions. Includes panel supply, installation, monitoring, and environmental management.
• MiraCool Heat-Blocking Paint Heat-reflective coating (MiraCool) that reduces indoor temperature by effectively blocking solar heat. Features 10-year durability with 83% solar reflectance maintained and ENERGYSTAR certification in Japan. Used on Toyoko Kagaku HQ building.
• Seamless Waterproofing Coating System 100% pure polyurethane coating waterproofing system with ultra-fast curing (1 minute). Prevents roof degradation, leaks, and collapse while providing crack-following flexibility.
• Pro7 Earthquake-Resistant Mats and Fittings Earthquake-resistant mats and dedicated anti-seismic mounting hardware (POM series, patented) for equipment and household items. Passed 1000-gal earthquake tests (comparable to seismic intensity 7). Features adhesive gel technology with no installation tools required and reusable adhesive surface.
• Roxtec Cable/Pipe Sealing Solution Modular sealing system for cable and pipe penetrations in data centers, substations, clean rooms, and industrial facilities. Features Multidiameter technology for easy installation and EMC protection. Distributed in Japan by Toyoko Kagaku.
• Thrill Glass Chiller Rapid glass cooling device using carbon dioxide. Creates frozen glasses in seconds with visual smoke effects and antibacterial properties; targeted at hotels, bars, restaurants, and events.
• Total Gas & Chemical Management (TGCM) Service One-stop comprehensive gas and chemical management service covering procurement, supply, monitoring, recovery, environmental compliance treatment, and technical personnel staffing across the customer lifecycle. Marketed under the TGCM brand as Toyoko Kagaku's unified enterprise offering.

Quantifiable outcome

• SiC power device thermal processing equipment — Ailesic series holds domestic market share No.1 in Japan
• +4 more outcomes

Named customers2 records

Segments6 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Ten partnerships are on record, tiered minor and core.

• Thrill International S.R.L. (イタリア)minorChannel Partner/ Reseller/ DistributorThrill International S.R.L. (Italy, based in Udine) manufactures rapid glass cooling devices (Thrill Chiller). Toyoko Kagaku distributes the Thrill Chiller in Japan for use in hotels, bars, and restaurants, where CO2 gas is used to rapidly freeze glasses.
• Pragma Industries (フランス)minorChannel Partner/ Reseller/ DistributorPragma Industries (France, Biarritz) is a pioneer in compact hydrogen fuel cells. Toyoko Kagaku distributes the Pragma H-01 personal hydrogen fuel cell in Japan for disaster/emergency power and outdoor use. Pragma Industries also developed the world's first commercial fuel cell bicycle (Alpha Bike) which won a CES2019 Innovation Award.
• Roxtec International AB (スウェーデン)minorChannel Partner/ Reseller/ DistributorRoxtec (Sweden) is the world No. 1 module seal manufacturer for cable and pipe sealing. Toyoko Kagaku distributes Roxtec's Multidiameter™ sealing solutions in Japan for cable/pipe penetration sealing in data centers, substations, clean rooms, and industrial facilities.
• APTech (USA)minorChannel Partner/ Reseller/ DistributorAPTech (USA, Pittsburgh area) manufactures ultra-precision pressure regulators (regulators/reducing valves). Toyoko Kagaku imports and distributes APTech products in Japan, including integrated gas system (IGS) compatible regulators, high-purity process gas regulators, and ultra-high-pressure regulators.
• Process Seven Co., Ltd. (プロセブン)minorChannel Partner/ Reseller/ DistributorProcess Seven Co., Ltd. manufactures earthquake-resistant gel mats (processuben). Toyoko Kagaku distributes Process Seven's anti-seismic mats and mounting hardware, which have passed 1000-gal earthquake tests (comparable to seismic intensity 7).
• Kawasaki Brave Thunders (川崎ブレイブサンダース)minorGTM or Marketing PartnerKawasaki Brave Thunders is a professional basketball club (B.League B1) based in Kawasaki City, Kanagawa. Toyoko Kagaku supports the team's SDG initiative '& ONE' as part of its local community engagement and SDG promotion activities.
• Kitakyushu University (北九州市立大学)minorStrategic or Co-development PartnerProfessor Li (李教授) at Kitakyushu University is collaborating with Toyoko Kagaku on joint development of an oral malodor (halitosis) measuring device. The device measures hydrogen sulfide and methyl mercaptan — the primary causes of bad breath — using chemical reaction-based gas sensors.
• Kyushu Dental University (九州歯科大学)minorStrategic or Co-development PartnerProfessor Anzai (安細教授) at Kyushu Dental University is collaborating with Toyoko Kagaku on clinical evaluation of the oral malodor measuring device developed jointly with Kitakyushu University. The device is undergoing clinical validation testing.
• Shiroki Corporation (シロキコーポレーション)minorImplementation/ SI/ Consulting PartnerShiroki Corporation handles construction/installation work for Miracool thermal reflective coating applications. Toyoko Kagaku distributes Miracool thermal reflective paint while Shiroki Corporation provides the painting/installation services.
• Toyoko Gas Co., Ltd. (東横ガス株式会社)coreStrategic or Co-development PartnerToyoko Gas Co., Ltd. is the parent/affiliated company of Toyoko Kagaku, established in 1974. Both companies are part of the Toyoko Group, with shared management and complementary operations in industrial and residential gas distribution. Toyoko Gas serves as a related company in the network section of Toyoko Kagaku's website.

Scale indicators7 records

Recent moves16 records

Expansion highlights5 records

Broad incumbents

• Air Liquide: Global industrial gas major with extensive electronics/semiconductor gas systems business and large installed base of gas cabinets and bulk supply. Comparable as a broad incumbent operating in the same industrial/semiconductor gas-and-equipment space, though at vastly larger scale and broader geographic scope than Toyoko Kagaku.
• Hitachi High-Tech: Japanese semiconductor process and metrology equipment maker (etch, CD-SEM, defect inspection). Broader incumbent peer relevant to Toyoko Kagaku because both sell process-related capital equipment into Japanese fabs and share customer relationships across semiconductor manufacturers.
• Linde plc: World's largest industrial gas company with a deep electronics division serving semiconductor fabs globally. Indirect incumbent peer to Toyoko Kagaku — overlapping product categories (specialty gases, gas delivery, on-site supply) but serving the global fab footprint that Toyoko Kagaku's overseas branches seek to access.
• Tokyo Electron (TEL): Japan-headquartered semiconductor manufacturing equipment leader with broad process-tool portfolio (coater/developer, etch, CVD, deposition). Broader incumbent; competes most directly in adjacent process-equipment categories where Toyoko Kagaku's Ailesic thermal processing system operates.

Direct peers

• Iwatani Corporation: Japanese industrial gases and hydrogen energy company with significant domestic specialty-gas and hydrogen-supply operations. Direct peer in Japanese specialty gas distribution and emerging hydrogen energy businesses overlapping with Toyoko Kagaku's gas and Pragma H-01 activities.
• Entegris: US-listed semiconductor materials and gas delivery systems specialist offering gas cabinets, bulk systems, liquid delivery, and purification for fabs. Highly comparable to Toyoko Kagaku's BSGS, cylinder cabinets, CMP slurry, and liquid material supply (ANESYS) portfolio targeting semiconductor process gas and chemical management.
• Resonac Holdings (formerly Showa Denko): Japanese chemicals and electronic materials group supplying high-purity gases, SiC epitaxial wafers, and CMP slurries to semiconductor customers. Closest comparable to Toyoko Kagaku because it shares both specialty-gas sales to fabs and Japan-anchored materials/equipment scope.
• Nippon Sanso Holdings (Taiyo Nippon Sanso): Japan-headquartered global industrial and specialty gas major (industrial gases, electronics gases, semiconductor materials). Direct peer because it competes head-to-head with Toyoko Kagaku's core high-pressure and specialty gas business for Japanese and Asian semiconductor fabs.

Regional players

• Shinko Electric Industries: Japan-based semiconductor packaging materials and IC lead frame supplier that shares Toyoko Kagaku's domestic-Japanese semiconductor customer base, though operating in packaging rather than gas/equipment. Included as regional adjacency because both rely on Japanese fab capex.

Emerging players

• Apex Tool Group / Fujikin (Japan): Japan-based precision valve, fitting, and ultra-high-purity gas-line component maker. Comparable because it competes with Toyoko Kagaku's pressure-regulator/valve business (where Toyoko distributes AP Tech) and the broader high-purity gas componentry that surrounds gas cabinet and bulk supply equipment.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries3 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 TOYOKO KAGAKU