What WIN-Partners does

WIN-Partners Co., Ltd. (ウイン・パートナーズ株式会社) is a Tokyo-headquartered holding company that operates a medical device distribution group through five wholly-owned subsidiaries: WIN International, Tesco, Tosei Medical, Trytech, and Plusten Medical. Established in April 2013 through the merger of WIN International and Tesco and listed on the Tokyo Stock Exchange Prime Market (ticker 3183), the group distributes specialized medical devices across five therapeutic categories — PCI (percutaneous coronary intervention for ischemic heart disease), CRS (cardiac rhythm management), CVS (cardiovascular surgery), PPI (peripheral vascular intervention and neurosurgery), and DMS (diabetes management) — plus large medical equipment such as CT scanners. Cardiac-related products account for approximately 67% of FY ending March 2026 sales, and the group claims the No.1 domestic market share in PCI products for minimally invasive treatment of myocardial infarction and angina.

The business model is a direct field sales model in which dedicated sales representatives (MRs) at each subsidiary visit hospitals and clinics to provide pre-sale product consultation, in-surgery standby, and post-sale inventory management. The group's proprietary technology stack includes the WIN Heart Gate consolidated logistics hub near Tokyo Haneda Airport (operational November 2024), the WIN Asset cloud-based medical device and asset management service (launched April 2026), the Master Cloud master data management system, and an RFID-enabled New Logistics Sales System for serial-number-based inventory tracking. Beyond device distribution, subsidiaries provide hospital management consulting support (patient catchment analysis, revenue improvement, operational efficiency) as an embedded demand-generation lever.

Revenue is generated primarily through transactional hardware sales (medical device resale) bundled with clinical proper-use support services. Target customers are acute-care hospitals and recovery-phase clinics across Japan, with no international expansion disclosed. The group also pursues inorganic growth through acquisitions of regional distributors (most recently Plusten Medical in January 2026) and conducts share buybacks as part of its capital return program. As of FY ending March 2026, consolidated net sales are approximately ¥81.4 billion with continued YoY growth projected for FY ending March 2027.

Name

WIN-Partners

Legal name

WIN-Partners Co., Ltd.

Website

https://win-partners.co.jp

Company type

Public

Founded year

2013

Operating status

Operating

Headcount range

501–1,000 employees

Short description

WIN-Partners is a Tokyo-based medical device distribution holding company operating five subsidiaries that sell interventional cardiology, cardiac rhythm, vascular, neurosurgical, and diabetes products to hospitals across Japan, with self-reported #1 domestic PCI market share.

Ownership category

akta.pro rank

Product category

Medical Device Distribution

akta.pro primary industry

Hospital Shared Services, GPOs & System Support Organizations (HLAFAAAO)

Keywords

• Medical device distribution
• Cardiac catheter products
• Interventional cardiology
• Hospital consulting services
• Medical asset management

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Medical device distribution (group subsidiaries): Five subsidiary companies (WIN International, Tesco, Tosei Medical, Trytech, Plusten Medical) sell medical devices directly to hospitals and clinics. Revenue is generated through the sale of cardiac catheter products (PCI, CRS, CVS), peripheral vascular products (PPI), neurosurgery products, diabetes management products (DMS), and large medical equipment. Cardiac-related products account for approximately 67% of sales (fiscal year ending March 2026). Revenue is transactional per unit sold; the group is a medical device trading company, not a SaaS.
2. Appropriate use support (適正使用支援): Group subsidiaries provide clinical support services including pre-surgery planning, device selection, product delivery, in-surgery standby, and post-surgery inventory management. These services are bundled with device sales and strengthen customer retention.
3. Hospital management consulting support: Subsidiaries provide hospital management advisory services including patient-catchment analysis, revenue improvement, and operational efficiency. These consulting services support sales of medical devices and are embedded in the sales motion.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels6 records

Core offering

WIN-Partners is a medical device distribution group that sells interventional cardiology, cardiac rhythm, cardiovascular surgery, peripheral vascular, neurosurgical, and diabetes management devices to hospitals and clinics across Japan through five specialized subsidiaries. The group supplements device sales with hospital management consulting, proper-use clinical support, and cloud-based asset management (WIN Asset), leveraging its WIN Heart Gate logistics hub for nationwide distribution. PCI products for minimally invasive treatment of myocardial infarction and angina pectoris are the flagship line, holding Japan's No.1 domestic market share.

Product overview

WIN-Partners is a medical device distributor group (holding company) operating through five subsidiary companies: WIN International, Tesco, Tosei Medical, Trytech, and Plusten Medical. Its core business is the sale of medical devices across five therapeutic segments — PCI (ischemic heart disease), CRS (cardiac rhythm), CVS (cardiovascular surgery), PPI (peripheral vascular/neurosurgery), and DMS (diabetes) — with cardiac-related products accounting for approximately 67% of sales. PCI products hold Japan's top domestic market share (per company research). The portfolio spans catheter-based interventional products (balloon catheters, stents, IVUS), implantable cardiac devices (pacemakers, ICDs, CRT-Ds), cardiac surgery products (stent grafts, TAVI valves, prosthetic valves), embolization coils, and diabetes devices (insulin pumps, CGM). Beyond distribution, the group provides hospital problem-solving support (marketing, profitability consulting) and proper-use support services (device selection, surgical planning, inventory management). A recent addition is WIN Asset, a cloud-based asset management service supporting facility DX.

Differentiator

Problem solved

Functional benefit

Brands

• WIN Asset: Cloud-based medical device and equipment asset management system that supports facilities' DX (digital transformation), inventory management, and traceability.
• WIN Heart Gate (WHG)
• Shin-Shinshoukun (シン・信蔵君)

Products and services

• PCI (Percutaneous Coronary Intervention) Products
• CRS (Cardiac Rhythm Segment) Products
• CVS (Cardiac Vascular Segment) Products
• PPI (Percutaneous Peripheral Intervention) Products
• DMS (Diabetes Mellitus Segment) Products
• Large Medical Equipment (CT)
• Hospital Problem-Solving Support Services
• Proper Use Support Services
• WIN Asset

Quantifiable outcome

• PCI products: No.1 domestic market share in Japan for minimally invasive treatment of myocardial infarction and angina (self-reported, source: WIN-Partners)
• +4 more outcomes

Named customers1 record

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• 株式会社プラステンメディカル (Plusten Medical)coreStrategic or Co-development Partner · 1 January 2026Acquired by WIN International (subsidiary) in January 2026 as a subsidiary. Plusten Medical operates in Hokkaido (Hakodate). Group company homepage launched April 2026.
• 株式会社トライテック (Trytech)coreStrategic or Co-development Partner · 1 April 2023Became a subsidiary of WIN-Partners in April 2023. Trytech specializes in neurosurgical and other medical device products, adding neurosurgery segment to the group.
• GX Future Consortium (GXフューチャー・コンソーシアム)minorStrategic or Co-development Partner · 1 November 2022WIN-Partners joined the TCFD Consortium, which was reorganized into the GX Future Consortium in April 2024. The consortium supports companies in disclosing climate-related financial information aligned with TCFD recommendations.
• 株式会社トーセイ MEDICAL (Tosei Medical)coreStrategic or Co-development Partner · 1 August 2022Acquired by Tesco (subsidiary) in August 2022. Tosei Medical operates in the Tohoku region, expanding Tesco's product and geographic coverage.
• 株式会社ウイン・インターナショナル (WIN International)coreStrategic or Co-development Partner · 1 April 2013WIN International is a wholly-owned subsidiary of WIN-Partners, formed through the 2013 merger of WIN International and Tesco into a joint holding company. WIN International handles cardiac catheter products, consumables, and medical equipment planning/sales. It is the primary revenue-generating subsidiary and the entity from which WIN-Partners technically listed (technical IPO).
• テスコ株式会社 (Tesco)coreStrategic or Co-development Partner · 1 April 2013Tesco is a wholly-owned subsidiary of WIN-Partners, established through the 2013 merger. Tesco covers the Tohoku region and handles cardiac and peripheral vascular products. Tesco acquired Tosco Akita Sales (2017), merged it (2018), acquired MCI (2018), acquired Tosei Medical (2022), and merged MCI (March 2026).
• 三菱UFJ銀行 (Mitsubishi UFJ Bank)minorOthersListed as the primary transaction bank in company profile.
• 三菱UFJ信託銀行株式会社 (Mitsubishi UFJ Trust and Banking)minorOthersServes as shareholder registry administrator and special account institution.
• 有限責任 あずさ監査法人 (Azsa LLP)minorOthersStatutory accounting auditor for consolidated financial statements.
• グリーンホスピタルサプライ株式会社 (Green Hospital Supply)minorOthersListed as a major shareholder with 5.8% ownership (as of March 2026, excluding treasury shares).

Scale indicators8 records

Recent moves10 records

Expansion highlights6 records

Broad incumbents

• Alfresa Holdings Corporation: Alfresa is a leading Japanese pharmaceutical and medical device wholesaler with nationwide distribution coverage. Overlaps with WIN-Partners in medical device distribution to hospitals and clinics across Japan.
• Toho Pharmaceutical Co., Ltd. Toho Pharmaceutical is a major Japanese pharmaceutical wholesaler with a medical device distribution business. Comparable to WIN-Partners as a healthcare distributor serving Japanese hospitals, though with stronger pharmaceutical weighting.
• Suzuken Co., Ltd. Suzuken is a major Japanese pharmaceutical wholesaler distributing drugs, medical devices, and healthcare products. Comparable to WIN-Partners as a large-scale medical product distributor serving Japanese healthcare providers, though more pharma-skewed.
• Medipal Holdings Corporation: Medipal is one of Japan's largest pharmaceutical and medical product wholesalers, distributing prescription drugs, OTC, and medical devices to hospitals, clinics, and pharmacies nationwide. It is a broader incumbent in the same Japanese healthcare distribution channel as WIN-Partners.
• Mochida Pharmaceutical Co., Ltd. Mochida operates pharmaceutical manufacturing, sales, and medical device distribution in Japan. Comparable as a Japan-based healthcare distribution business with specialty product overlap, though primarily a manufacturer.

Direct peers

• Japan Lifeline Co., Ltd. Japan Lifeline is a Tokyo-listed specialty distributor and manufacturer of cardiovascular medical devices including pacemakers, ICDs, ablation catheters, and stents. Directly comparable to WIN-Partners in the CRS/PCI product categories and Japanese hospital channel.

Others

• Terumo Corporation: Terumo is a major Japanese medical device manufacturer with significant cardiovascular product lines including stent systems and blood management. Adjacent to WIN-Partners as a key supplier and Japanese cardiovascular device ecosystem participant.
• Asahi Intecc Co., Ltd. Asahi Intecc manufactures and globally distributes guidewires, catheters, and other cardiovascular interventional devices. Adjacent comparator in PCI/cath lab supply chain, with overlap in Japanese cardiovascular device end-customers but operating primarily as a manufacturer rather than distributor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Subsidiaries5 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 WIN-Partners