Teraoka

What Teraoka does

Teraoka Auto-Door System Co., Ltd. (寺岡オート・ドアシステム株式会社) is a Tokyo-headquartered Japanese manufacturer and service provider specializing in automatic doors for commercial, institutional, and industrial facilities. Established in 1965, the company designs and produces a broad product portfolio spanning slide doors (light-, medium-, and heavy-duty variants up to 600 kg), swing doors, folding doors, full openers, gate systems, circular doors, and a deep line of purpose-built doors for regulated environments including specific fire-prevention equipment, multi-purpose toilet accessibility, airtight/soundproof isolation, electromagnetic-wave shielding, radiation shielding, and security/access-control integration. A comprehensive sensor line — ceiling-mounted infrared reflectives, wireless touch switches, light curtains, safety eyes, foot switches, and inductive loop coils for vehicle detection — accompanies the door hardware.

The company operates a vertically integrated model covering system development, manufacturing, installation, replacement/renewal, and ongoing maintenance. Revenue is generated from two structural streams: one-time sales of new equipment and replacements, and recurring maintenance contracts and lease arrangements. Distribution is direct, executed through 21+ company-owned branch offices and service centers covering the Kanto (Tokyo HQ, Yokohama branch, plus multiple satellite sales offices), Chubu (Nagoya branch, Shizuoka, Hamamatsu), and Kansai (Osaka branch, Minami-Osaka sales/service center, Kobe, Himeji, Kyoto) regions.

Target customers are enterprise and institutional buyers — commercial buildings, healthcare facilities (e.g., Tokyo Medical University Hospital, KKR Toranomon Hospital), sports and public venues (e.g., National Stadium), and industrial facilities — together with a specialty niche serving research, nuclear, and other sensitive-environment operators. Pricing is quote-based and not publicly disclosed. The sales motion is direct, supported by corporate-website lead capture and JADA (Japan Automatic Door Association) industry participation. The wider Teraoka group relationship includes Teraoka Autodoor Co., Ltd. and Teraoka Seiko Co., Ltd. as cross-linked partner entities, with sensor-technology partners OPTEX Co., Ltd. and the Hotron Group.

Name

Teraoka

Legal name

TERAOKA AUTO-DOOR SYSTEM CO., LTD.

Website

https://teraoka-ads.co.jp

Company type

Private

Founded year

1965

Operating status

Operating

Headcount range

251–500 employees

Short description

Teraoka Auto-Door System is a 1965-founded Japanese manufacturer of automatic doors — slide, swing, fire-prevention, radiation-shielded, and electromagnetic-shielded systems — serving commercial, healthcare, industrial, and specialty-facility customers with a nationwide direct-branch network and recurring maintenance services.

Ownership category

akta.pro rank

Product category

Automatic Door Systems

NAICS

Metal Window and Door Manufacturing (332321), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Security Systems Services (except Locksmiths) (561621), Electronic and Precision Equipment Repair and Maintenance (8112)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442), Auto Controls For Regulating Residential & Comml Environments (3822), Measuring & Controlling Devices, Nec (3829)

akta.pro primary industry

Commercial & Industrial Doors (Sectional, High-Speed, Fire, Security) (IMADAIAF)

akta.pro secondary industries

Doors, Gates, Loading Docks & Access Systems Service (IMAIABAH), Architectural Hardware & Door Controls (Hinges, Locks, Closers, Panic Devices) (IMADAIAI), Exterior Doors (IMADAIAA), Interior Doors (IMADAIAB)

Keywords

• Automatic door systems
• Commercial entrance solutions
• Door installation services
• Automatic gate systems
• Automatic door maintenance

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices21 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Automatic Door Sales and Installation: New automatic door systems sales and installation services for commercial, industrial, and institutional facilities
2. Maintenance and Repair Services: Ongoing maintenance, inspection, and repair services for installed automatic doors
3. Door Replacement and Renewal: Replacement and renewal services for existing automatic door systems
4. Lease Services: Lease options for automatic door systems

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Teraoka Auto-Door System Co., Ltd. designs, manufactures, sells, installs, and maintains automatic door systems for commercial, industrial, institutional, and residential applications across Japan. Its product range spans sliding doors (light, medium, and heavy-duty up to 600kg), swing doors, folding doors, full openers, and automated gates, alongside specialized variants for fire prevention, electromagnetic shielding, radiation shielding, soundproofing, barrier-free access, and security/access control. The company operates a nationwide service network providing ongoing maintenance, repair, replacement, and lease services through 21 owned branches and service centers.

Product overview

Teraoka Auto-Door System Co., Ltd. (寺岡オート・ドアシステム株式会社) is a comprehensive automatic door solutions provider offering a diverse portfolio of door systems, sensors, and services. The core product lineup includes slide doors (light, medium, and heavy-duty variants), swing doors, folding doors, full openers, and circular doors for various commercial and industrial applications. The company also manufactures specialized doors for fire prevention, radiation shielding, electromagnetic shielding, soundproofing, and security/access control. Supporting products include tempered glass doors, stainless steel sashes, and an extensive range of automatic door sensors including wireless touch switches, light curtains, safety eyes, and loop coil switches for vehicle detection. The company provides end-to-end services from system development to installation and maintenance through a nationwide network.

Differentiator

Problem solved

Functional benefit

Products and services

• Automatic Sliding Doors (スライドドア) Automatic sliding doors spanning light-duty (up to 100kg), medium-duty (up to 200kg), and heavy-duty (up to 600kg) configurations for commercial and industrial applications. Includes DC brushless motor models (SOV-100KLCM, SOV-160KLCM, SOV-200KLCM, SOV-200KDCN, SOV-300KDCN, SOV-400KDCN, SOV-600KDCN).
• Automatic Swing Doors (スイングドア) Automatic swinging doors including standard swing doors (開き戸) for commercial and institutional applications.
• Automatic Folding Doors (折り戸) Automatic folding doors designed for spaces with limited door recess, including models HOH-SD, HOH-DD, HB-SD, HB-DD for corridor partitions and surgical room entrances.
• Full Opener (全面開放型スライドドア) Full-opening automatic sliding doors providing complete unobstructed entryway for maximum accessibility and traffic flow.
• Automatic Gate Systems (門扉) Automated gate systems including sliding gates and swinging gates for residential and facility perimeter access control.
• Swing Gate GSW-1000/GSW-2000 Swing-type gate systems with floor-embedded engines and safety-focused design. GSW-1000 handles doors up to 100kg with 1,000mm width; GSW-2000 handles up to 180kg with 2,000mm width.
• Special Fire Prevention Doors (特定防火設備) Automatic doors designed and certified as specific fire prevention equipment for fire compartmentation in buildings, meeting Japanese fire safety regulations.
• Airtight and Soundproof Automatic Doors (気密・防音) High-performance automatic doors engineered for airtightness and sound insulation for controlled environments.
• Simple Soundproof Automatic Doors (簡易型防音) Simplified soundproof automatic doors for applications requiring basic acoustic isolation.
• Barrier-Free Automatic Doors (バリアフリー) Automatic doors designed to meet accessibility standards for barrier-free environments, including rail-tight systems.
• Electromagnetic Shield Automatic Doors (電磁波シールド) Automatic doors with electromagnetic wave shielding capability for facilities requiring RF isolation.
• Radiation Shield Automatic Doors (放射能遮蔽) Automatic doors designed with radiation shielding for nuclear or medical facilities handling radioactive materials.
• Security Automatic Doors with Access Control (セキュリティ・入退室管理) Automatic doors integrated with access control and entry/exit management systems for secure facilities.
• Floor-Embedded Slide Doors (床埋込み型スライドドア) Special automatic sliding doors with floor-embedded track systems for seamless floor transitions.

Named customers3 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

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

• 寺岡オートドア株式会社 (Teraoka Autodoor Co., Ltd.)coreStrategic or Co-development PartnerRelated company within the Teraoka group. Listed as a partner company on the corporate website footer with cross-linking relationship.
• 株式会社寺岡精工 (Teraoka Seiko Co., Ltd.)coreStrategic or Co-development PartnerRelated company within the Teraoka group. Listed as a partner company on the corporate website footer.
• オプテックス株式会社 (OPTEX Co., Ltd.)majorTechnology or IntegrationTechnology partner providing sensors and detection technology for automatic door systems. Listed as a partner company on the corporate website.
• JADA 全国自動ドア協会 (Japan Automatic Door Association)minorOthersIndustry association for automatic door manufacturers and service providers in Japan. Teraoka maintains membership for industry standards and compliance.

Scale indicators2 records

Recent moves10 records

Expansion highlights5 records

Broad incumbents

• GEZE GmbH: GEZE is a European manufacturer of automatic swing/sliding doors, door drives, and smoke-control systems used in commercial buildings; comparable to Teraoka on the product and building-application side though without Teraoka's Japan-centric service network.
• ASSA ABLOY Entrance Systems: ASSA ABLOY Entrance Systems (formerly Besam, Crawford, Albany) is the global leader in automatic sliding/swing doors and service, offering a much broader portfolio across geographies; competes with Teraoka through Japanese channel partners and on multinational accounts.
• dormakaba Group: dormakaba (formed from Dorma + Kaba) manufactures automatic doors, access control and entrance systems globally with full service offerings, overlapping with Teraoka's automatic-door-plus-access-control value proposition at a much larger scale.
• Stanley Access Technologies: Stanley Access Technologies (now part of STANLEY/ASSA ABLOY) is a North American leader in automatic door installation, service and monitoring; comparable to Teraoka in sliding/swing door products and recurring service revenue model.
• Gilgen Door Systems: Gilgen Door Systems (part of the Gilgen Group) supplies automatic sliding, swing and folding doors for healthcare, transit and commercial buildings, comparable to Teraoka's full-opener, swing, and hospital-grade door products.

Direct peers

• Nabtesco (Automatic Door Division): Nabtesco operates a major automatic door business in Japan producing slide, swing and hermetic hospital doors with a national service network—the closest like-for-like peer to Teraoka in product range and Japan-centric distribution.
• Ryobi (Mitsui Mining & Smelting automatic doors): Ryobi's automatic door business, now part of Mitsui Mining & Smelting, is a direct Japanese competitor manufacturing slide and swing automatic doors with nationwide installation and service coverage, mirroring Teraoka's core offering.

Others

• OPTEX Co., Ltd. OPTEX is a Teraoka-listed technology partner and a major Japanese manufacturer of automatic-door sensors, light curtains, and detection systems, supplying the same sensor categories Teraoka integrates into its door systems—an enabling ecosystem partner.
• JADA (Japan Automatic Door Association) Member Service Companies: Japan Automatic Door Association (JADA) groups major Japanese automatic-door manufacturers and dealers (including Teraoka); association membership represents the universe of comparable Japanese providers, useful as ecosystem reference.

Emerging players

• Boon Edam: Boon Edam specializes in high-end revolving and sliding entrance doors for security and prestige applications (luxury retail, corporate HQs); competes with Teraoka's circular doors and security/access-controlled automatic doors in selected accounts.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Teraoka