What Daiya does

Daiya Industry Co., Ltd. (ダイヤ工業株式会社) is a Japanese medical-supplies manufacturer founded in April 1963 and headquartered in Okayama Prefecture, Japan, operating as a subsidiary of Daiya Holdings Co., Ltd. The company designs, manufactures, and sells musculoskeletal support products including supporters, corsets, and artificial-muscle assistive suits, with a portfolio organized around consumer sub-brands (bonbone for daily and sports musculoskeletal support, DARWING for workplace and athletic assist suits using proprietary artificial muscle and W-gear pulley structure, TPECNOC for e-sports players), enterprise work-reduction support gear, and lifestyle-collaborative products under the Design Your Health series. Core technology rests on 60+ years of accumulated sewing and fitting know-how combined with an in-house R&D Center that conducts evidence-based prototyping and functional verification using simulated motion reproduction.

The company generates revenue across four primary channels: direct-to-consumer sales through shop.daiyak.co.jp and the DAIYA FACTORY retail showroom; medical practitioner sales through ec.daiyak.co.jp and a network of approximately 30,000 affiliated acupuncture, chiropractic, and physiotherapy clinics served via the b-smile service platform (which bundles booking, musculoskeletal assessment, patient portals, and online learning); wholesale distribution through medical supply channels; and B2B OEM/ODM contracts with major Japanese corporations (Mazda, Shimizu Corporation, Takenaka Corporation, ANA, JAL, Workman, JA Okayama, Iizuka Hospital) for custom-designed workplace assist gear. Pricing ranges from ¥145 consumer cooling sheets to ¥165,000 specialized equipment, with custom OEM products priced by quote.

Operationally, Daiya runs an integrated Okayama-based infrastructure comprising headquarters, R&D Center, and Daifuku manufacturing factory, plus a showroom within the Loco-Ste health complex. The company is privately held with no public listing, venture funding, or external equity investment disclosed, and is led by Representative Director Matsuo Hiroki (松尾 浩紀). Recent strategic activity has emphasized product-line expansion into e-sports (TPECNOC), pediatric health (Kids Project), and lifestyle collaborations (Design Your Health), alongside enterprise OEM growth and the formal establishment of an Overseas Division to support international expansion.

Name

Daiya

Legal name

ダイヤ工業株式会社

Website

https://daiyak.co.jp

Company type

Private

Founded year

1963

Operating status

Operating

Headcount range

101–250 employees

Short description

Daiya Industry (ダイヤ工業株式会社) is a 60-year-old Japanese medical-supplies manufacturer specializing in musculoskeletal supporters, corsets, and artificial-muscle assistive suits, serving general consumers via DTC e-commerce, approximately 30,000 affiliated clinics via its b-smile platform, and major Japanese enterprises via OEM/ODM co-development.

Ownership category

akta.pro rank

Headquarters

HQ city

Okayama

HQ country

Japan

HQ region

Asia

Offices4 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Product Sales - Supporters & Corsets: Core revenue from manufacturing and selling supporters, corsets, and assist suits through owned e-commerce, physical retail, and wholesale channels. Products include bonbone brand supporters for various body parts (knee, waist, shoulder, wrist) and DARWING assist suits for workplace and sports applications.
2. OEM/ODM Manufacturing: Collaborative development and OEM/ODM services for corporate partners including automotive (Mazda), construction (Shimizu, Takenaka), and other industries requiring custom assist solutions.
3. Healthcare & Wellness Products: Health food supplements, healthcare products including masks, training equipment, and health management goods sold through online and retail channels.
4. b-smile Service Platform: Service platform for acupuncture/chiropractic clinics including booking systems, musculoskeletal assessment tools, and educational content, with approximately 30,000 affiliated clinics.

Pricing tiers

Go-to-market motion2 records

Distribution channels6 records

Marketing channels5 records

Core offering

Daiya manufactures and sells musculoskeletal support products — primarily supporters, corsets/braces, and artificial muscle assist suits — for consumers, medical practitioners, and industrial users. The company also provides OEM/ODM services to enterprise customers and operates a subscription/membership platform (b-smile) separate from its core product lines.

Product overview

Daiya Industry Co., Ltd. is a medical supplies manufacturer specializing in supporters, corsets, and assistive suits. The company operates under a multi-brand portfolio architecture comprising four core sub-brands: bonbone (musculoskeletal support for daily and sports use, developed with practitioner partnerships), DARWING (artificial-muscle assistive suits and compression wear for labor reduction and athletics), TPECNOC (gaming armor for e-sports players), and prince×DAIYA (sports performance gear). These are supplemented by the Design Your Health lifestyle-collaboration line and the labor-reduction support gear line developed with construction and corporate partners. The product portfolio spans supporters/corsets for all body regions (waist, knee, shoulder, wrist, etc.), assistive suits, temperature management products (warming/cooling sheets, ice drape), masks, health foods, taping supplies, and insoles — sold through the company's DAIYA FACTORY retail store, two online stores (general consumer and practitioner/medical professional), and approximately 30,000 partner clinics via the b-smile platform.

Differentiator

Problem solved

Functional benefit

Brands

• bonbone: 運動器を知り尽くした接骨の師先生方とのパートナーシップにより生まれたユーザーに寄り添うブランド (A brand born from partnership with osteopathic practitioners, offering user-friendly products)
• DARWING
• TPECNOC
• b-smile
• Design Your Health
• 労働軽減サポートギア
• キッズプロジェクト

Products and services

• bonbone supporters and corsets Consumer-facing line of supporters, corsets, and braces for musculoskeletal support, posture, and daily comfort, sold primarily to individual Japanese consumers through Daiya's e-commerce and showroom channels.
• DARWING assist suit Wearable artificial muscle assist suit designed to reduce physical strain during lifting and repetitive tasks, targeted at both individual consumers and industrial users.
• TPECNOC assist suit Assist suit offering using Daiya's artificial muscle technology, positioned for physical labor support and load reduction.
• b-smile subscription/membership platform Subscription/membership offering associated with Daiya, providing recurring access to a recurring service beyond one-time product purchases.
• OEM/ODM support product services Customized OEM/ODM production of support products and assist suits for enterprise clients, serving heavy-industry, construction, and aviation/transport customers.
• Practitioner support products (acupuncture/chiropractic clinic channel) Professional-grade support products and related items sold to licensed acupuncture and chiropractic practitioners for use with patients, distributed through a dedicated practitioner storefront and a network of about 30,000 affiliated clinics.

Quantifiable outcome

• Labor reduction for construction and manufacturing workers through assist suits
• +1 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

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

• 清水建設 (Shimizu Corporation)coreStrategic or Co-development PartnerJoint development partner for construction worker assist suits. Co-developed DARWING Working Assist AS for construction site hand protection.
• 竹中務店 (Takenaka Corporation)coreStrategic or Co-development PartnerConstruction industry partner for workplace assist gear development.
• MAZDAcoreStrategic or Co-development PartnerAutomotive manufacturer partner. Co-developed DARWING Working Assist OPM finger support supporter for factory workers.
• ワークマン (Workman)coreChannel Partner/ Reseller/ DistributorWork apparel retailer partnership for distribution of specialized work gear products.
• ANAmajorStrategic or Co-development PartnerAviation industry collaboration for crew and worker support solutions.
• JALmajorStrategic or Co-development PartnerAviation industry collaboration for worker support solutions.
• 京王 (Keio)majorStrategic or Co-development PartnerKeio University collaboration for research and development of support technologies.
• JA岡山 (JA Okayama)coreStrategic or Co-development PartnerAgricultural cooperative partnership for labor reduction support gear for farmers.
• 飯塚病院 (Iizuka Hospital)coreStrategic or Co-development PartnerHealthcare sector partnership for assist solutions for medical workers.
• JAPAN BLUEminorStrategic or Co-development PartnerDesign Your Health collaboration for bonbone styling jeans with pelvic support lines integrated into jeans design.
• Ray inc (NAPRON)minorStrategic or Co-development PartnerDesign Your Health collaboration for bonbone supporting apron combining pelvic support with stylish apron design.
• 岡本製甲株式会社minorStrategic or Co-development PartnerDesign Your Health collaboration for bonbone Lafeet arch-supporting toe shoe with loop fit structure.
• 株式会社ミナモト建築工房minorStrategic or Co-development PartnerDesign Your Health collaboration for Chill Fit lifestyle homes that naturally promote health through daily activities.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• THUASNE: French manufacturer of orthopedic devices, compression therapy products, and patient aids. Comparable mid-sized European peer with similar product breadth in supports and braces.
• medi GmbH & Co. KG: German medical device company specializing in compression therapy, orthoses, and prosthetics. Operates in the same orthopedic supports and medical compression segments as Daiya.
• SIGVARIS Group: Swiss manufacturer of medical compression therapy products and orthopedic supports. Closely comparable to Daiya's compression supporter and corset categories.
• Bauerfeind AG: German-based global leader in medical supports, compression stockings, and orthoses. Most directly comparable peer given Daiya's overlapping portfolio of orthopedic braces, supports, and compression wear.

Broad incumbents

• Enovis (DJO Global): Large US-listed orthopedic medical device company producing braces, supports, and rehabilitation products. Broader portfolio than Daiya but substantial overlap in the orthopedic support category.
• Ansell Limited: Global PPE and hand/arm protection manufacturer serving industrial and healthcare markets. Adjacent to Daiya's workplace support-gear OEM/ODM opportunities with industrial buyers.
• Ottobock: Global leader in prosthetics, orthotics, and ergonomic workplace solutions. Comparable in the orthotic support and ergonomic-assist categories, though much larger in scope.

Emerging players

• Cyberdyne Inc. Japanese developer of HAL robotic exoskeletons for labor assistance and rehabilitation. Competitor in the workplace assist-suit segment where Daiya's DARWING brand operates.
• Panasonic Activelink: Japanese assistive exoskeleton developer backed by Panasonic building powered suits for industrial labor reduction. Emerging competitor specifically to Daiya's DARWING industrial assist line.

Regional players

• Alcare Co., Ltd. Japanese manufacturer of medical supplies including stoma care, wound care, and body support products. Japanese domestic peer also serving hospitals and elderly care markets.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/daiyak_medical
• YouTubeyoutube.com/c/daiyakougyou
• Facebookfacebook.com/DaiyaIndustry
• Instagraminstagram.com/daiyak_medical

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Daiya