What Naka corporation does

Naka Corporation (\u30ca\u30ab\u5de5\u696d\u682a\u5f0f\u4f1a\u793e) is a 93-year-old Japanese building materials manufacturer founded in 1932, headquartered in Yashio City, Saitama Prefecture, with 501-1,000 employees. The company develops, manufactures, and sells a portfolio spanning accessibility handrails (Soft Hand, Prime Series, Vinilane e, Ai no Te NS), evacuation equipment (UD Escape and UD Escape With descent-type machines, Tascarl ladders, LN Partition), seismic structural products (NSF expansion joint covers), free-access flooring (IB Floor for data centers and cleanrooms), and visible-light photocatalytic anti-virus / antibacterial technology marketed as WillAn. Underlying technology combines materials science (titanium oxide-based photocatalysis co-developed with Tokyo Institute of Technology, KISTEC, and Nara Medical University) with mechanical engineering (gravity-controlled descent, patented panel designs for narrow urban seismic isolation applications), and has earned multiple Japan Fire Agency Director's Awards and Good Design Best 100 recognition. The firm's commercial model is predominantly direct sales via regional branch offices (Sapporo, Osaka, Kagoshima) and a wholly-owned renovation subsidiary (Naka Techno Metal) serving Japanese public, institutional, healthcare, and residential customers, complemented by an e-commerce online shop for standard products and selected export sales into Southeast Asia for logistics and semiconductor facility construction.

Name

Naka corporation

Legal name

ナカ工業株式会社 (Naka Kogyo Kabushiki Kaisha)

Website

https://naka-kogyo.co.jp

Company type

Private

Founded year

1932

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Naka Corporation is a 93-year-old Japanese building materials manufacturer producing accessibility handrails, evacuation equipment (UD Escape), seismic products, cleanroom flooring, and visible-light photocatalytic anti-virus technology for institutional, residential, healthcare, and Southeast Asia construction customers.

Ownership category

akta.pro rank

Product category

Building Materials Manufacturing

NAICS

Building Material and Supplies Dealers (4441)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442)

akta.pro primary industry

Access Panels, Hatches & Specialty Openings (IMADAIAJ)

akta.pro secondary industries

Outdoor Stairs & Ramps (Deck/Fence-Related) Installation/Repair (HSAIAJAK), Insulation, Scaffolding & Access Services (ISA) (IMAIACAF)

Keywords

• Building materials manufacturing
• Accessible handrail systems
• Evacuation equipment
• Seismic expansion joints
• Antiviral surface coatings

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices6 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Building Materials Manufacturing and Sales: Naka Corporation manufactures and sells building material products including handrails, corner guards, non-slip products, inspection ports, OA floors, free access floors, and escape equipment. Revenue is generated through direct product sales via e-commerce and sales representatives, with prices quoted per unit or per project.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels7 records

Core offering

Naka Corporation manufactures and sells Japanese building materials focused on accessibility, safety, and hygiene. Core product lines include assistance handrails with antiviral/antibacterial properties (Soft Hand, Prime Series, Vinilane e), descent-type evacuation equipment (UD Escape, UD Escape With), telescopic escape ladders (Tascar), seismic expansion joint covers (NSF) for seismically isolated buildings, and free access / OA floors (IB Floor) for data centers and clean rooms. The company also distributes through a Japanese online shop and serves overseas Southeast Asian construction projects via enterprise clients.

Product overview

Naka Corporation (ナカ工業株式会社) is a Japanese building materials manufacturer offering a comprehensive portfolio of construction and safety products. The core product lines include handrail systems (步行補助手すり, 動作補助手すり, プライムシリーズ, ソフトハンド, 愛の手NS) for residential and commercial applications with antiviral/antibacterial properties (using ウィルアン photocatalyst technology); evacuation and disaster prevention equipment (UDエスケープ/UDエスケープWith降下型避難 machines, タスカール escape ladders, LNパーティション); seismic protection products (免震EXP.J.C. seismic expansion joint covers); free access flooring (IBフロア for data centers and clean rooms); LED architectural lighting integrated into handrails; and metal building materials. The company also operates ナカ・テクノメタル株式会社 as a subsidiary for renovation services and maintains an e-commerce presence through its online shop. Products span categories including handrails, wall/corner protection, non-slip surfaces, inspection ports, emergency equipment, and renovation services.

Differentiator

Problem solved

Functional benefit

Brands

• タスカール (Tascarl): Escape ladder product line, including standard SPC type and renovation RNC/RFC/RPC types for replacing older iron escape hatches
• UDエスケープ (UD Escape)
• UDエスケープWith
• ウィルアン (Will-AN)
• ソフトハンド (Soft Hand)
• LNパーティション
• prime series

Products and services

• UD Escape With Wheelchair-accessible descent-type evacuation machine for balcony vertical evacuation during disasters, operable without electricity.
• UD Escape Descent-type evacuation machine using user body weight to control descent vertically without electricity, intended for inclusive evacuation.
• Tascar Escape Ladder Retractable telescopic escape ladder available in standard SPC type and renewal RNC/RFC/RPC series for replacing corroded older escape hatches.
• Soft Hand Residential Assist Handrail Resin assistance handrail with anti-slip dimple texture, anti-virus and antibacterial properties, in I-type and L-type configurations.
• Soft Hand VU Bathroom Handrail Resin assistance handrail for bathrooms with antibacterial properties, available in I-type, L-type, LD corner, LI corner, and V-type configurations.
• Ai no Te NS Toilet/Bathroom Handrail Assistance handrail designed for toilet and bathroom wet environments, available in I-type and L-type configurations.
• Vinilane e Room-Temperature Installation Handrail Resin-coated handrail installable at room temperature without heating the cap, reducing installation CO2 emissions versus conventional resin handrails.
• Prime Series High-End Resin Handrail High-end resin handrail line incorporating biomass raw materials with antiviral and antibacterial properties and premium color/part design.
• NSF Seismic Expansion Joint Cover Floor seismic expansion joint cover for seismically isolated buildings, with patented original panel design for narrow urban seismic isolation spaces.
• IB Floor Free Access Floor System Aluminum panel system double floor rated 5,000N to 30,000N specifications, made to order for cleanrooms, data centers, and server rooms.
• LN Partition Openable Balcony Partition Openable partition plate jointly developed with Daiwa Life Next for efficiency and safety during large-scale apartment repair construction, allowing workers to move between balconies.
• Hi-Step UDC-15S Non-Slip Product Non-slip product with ultra-thin 15mm visible width for indoor carpet use in offices, commercial facilities, and clinics.
• LED Architectural Lighting in Handrails LED lighting products integrated into handrails to provide illumination while serving as safety equipment.
• Anti-Virus Resin Handrail (WillAn Technology) Antiviral and antibacterial resin handrail using visible-light responsive photocatalyst, achieving 99% antiviral and 99.9% antibacterial effect, effective even in dark conditions.
• SNS Post Life Extension Method Balcony railing pillar life extension repair method involving filler injection into aluminum pillar interiors to suppress corrosion progression and extend service life.
• Naka Corporation Online Shop Direct-to-consumer e-commerce sales channel for handrails, inspection hatches, escape equipment, non-slip products, OA floors, and other standard products with credit card, PayPay, Amazon Pay, and bank transfer payment options.

Quantifiable outcome

• 99% or greater reduction in virus count within 8 hours on anti-virus handrail surfaces (tested per ISO18184/JIS R 1756)
• +2 more outcomes

Named customers9 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

Feature5 records

Partnerships

One partnership is on record.

• Daiwa Life Next (大和ライフネクスト)minorStrategic or Co-development PartnerJoint development of the LN Partition (開閉式隔て板 LNパーティション), an openable balcony partition designed to improve efficiency and safety during large-scale apartment repair construction. Daiwa Life Next collaborated with Naka Corporation to create a product that allows workers to move between balconies by temporarily removing the partition door.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Hochiki Corporation: Japanese manufacturer of fire safety and disaster prevention equipment including fire alarm systems and emergency equipment. Comparable to Naka in the fire safety and evacuation equipment category, though Hochiki focuses on detection systems while Naka focuses on evacuation devices like UD Escape.

Direct peers

• Itoki Corporation: Japanese manufacturer of office furniture, free access flooring systems, and building interior products. Directly comparable to Naka in the IB Floor free access flooring category for data centers, cleanrooms, and server rooms, serving overlapping institutional and commercial customers.
• Cleanup Corporation: Japanese manufacturer of kitchen systems, bathroom products, and residential building materials. Overlaps with Naka in bathroom handrails and residential accessibility products, and serves similar residential construction and renovation channels in Japan.
• Aica Kogyo Company, Limited: Japanese specialty building materials manufacturer producing adhesives, laminated boards, interior materials, and resin-based building products. Comparable mid-sized Japanese manufacturer with similar focus on specialty building components, though Aica has broader presence in industrial adhesives.
• TOTO Ltd. Major Japanese manufacturer of bathroom fixtures and accessibility products including grab bars, handrails, and barrier-free bathroom equipment. Directly comparable to Naka in residential handrail and accessibility product categories with significantly larger scale and broader consumer brand recognition.

Broad incumbents

• LIXIL Group Corporation: Largest Japanese building materials conglomerate encompassing handrails, doors, windows, kitchens, bathrooms, and accessibility products (including the former INAX brand). Competes with Naka across multiple product categories including residential handrails and barrier-free products, but operates at significantly larger scale with much broader product portfolio.
• YKK AP Inc. Major Japanese building materials manufacturer (part of YKK Group) producing windows, doors, facades, and architectural building products. Overlaps with Naka in metal building materials and broader architectural products serving commercial and institutional construction projects.
• Sanwa Holdings Corporation: Japanese manufacturer of building hardware including door closers, locks, hinges, and architectural hardware. Comparable in the broader Japanese specialty building materials category with overlapping institutional customer base and similar distribution through construction channels.
• Bunka Shutter Corporation: Japanese manufacturer of shutters, doors, and building exterior products serving commercial and institutional construction. Comparable in the broader Japanese building materials space with similar B2B sales channels to construction companies and facility managers.
• Panasonic Corporation (Housing Systems & Equipment): Major Japanese conglomerate with housing systems division producing handrails, accessibility products, building equipment, and integrated housing solutions. Overlaps with Naka in residential handrails, accessibility products, and integrated building systems serving both new construction and renovation markets in Japan.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks1 record

Key highlights7 records

Customer concentration

• Xx.com/naka_mac_pro
• YouTubeyoutube.com/user/nakapublicitydepartm/videos
• Facebookfacebook.com/nakakogyo
• Instagraminstagram.com/naka_corporation
• LinkedInlinkedin.com/company/naka-corporation

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 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 Naka corporation