Unison Healthcare Group
Unison Healthcare Group is a Taiwanese medical-device distributor and hospital-solutions provider serving Taiwan and international healthcare markets.
Last updated August 31, 2026
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Overview
Unison Healthcare Group (UHG), also known historically as Unison or Unison Hang, is a Taiwanese healthcare company founded in Taipei in 1955. The business began as a pharmaceutical company and subsequently developed into a distributor and systems provider for medical equipment, hospital technology, and related services. Its expansion was driven partly by agency relationships with overseas manufacturers, including Philips and Siemens, which helped establish the company in Taiwan's medical-technology supply chain. The group operates across a broad range of healthcare fields. Its activities include medical imaging, radiology, cardiology, radiation oncology, orthopedics, robotic surgery, telemedicine, hospital information and integration systems, and other clinical technologies. Rather than functioning solely as a product reseller, UHG has also positioned itself as a turnkey and total-service partner for hospitals. Its capabilities include consulting, project planning, financing support, room and facility planning, system installation, maintenance, technical service, engineer training, and enterprise-resource-planning integration. A notable part of the company's development has been its participation in large and specialized healthcare projects. In 2003, UHG completed a build-operate-transfer positron-emission-tomography center project with Tri-Service General Hospital and National Cheng Kung University Hospital. The group has also been involved in robotic surgery and rehabilitation technologies. Through its subsidiary Unison Surgical, it obtained distribution rights for Intuitive Surgical's da Vinci surgical system and IMRIS products in 2009. In 2014, it became a Taiwanese dealership partner for Yaskawa Electric's ReWalk robotic exoskeleton system, which is designed to assist people with lower-limb paralysis in standing and walking. UHG's relationships with multinational suppliers have changed over time. It obtained Philips Medical Systems distribution rights in Taiwan in 1965 and Siemens Medical Systems distribution rights in 1970. Siemens later reclaimed its distribution rights in 2005 after establishing a Taiwanese branch. Philips withdrew distribution rights for computed tomography, magnetic resonance imaging, and other imaging products in Taiwan in 2014, while UHG established a collaborative relationship with GE Healthcare during the same year. These events illustrate the opportunities and risks of an agency-based medical-technology business: manufacturers can provide important market access and technical depth, but their direct-market expansion can also alter distributor relationships. The company has also pursued activities outside conventional medical-device distribution. In 1973, it introduced the iodinator, a commercial water-filtering system that had reportedly been used in the space program, to Taiwan. In 2020, UHG and Comodo Cybersecurity announced a strategic partnership focused on healthcare cybersecurity, reflecting the growing importance of protecting connected medical systems and hospital information infrastructure. UHG reports overseas technical-support capabilities in more than 45 countries, with examples including Mainland China, Mongolia, Vietnam, and Thailand. The group has developed alliances or affiliated operations associated with names such as Unison, Papasign, Unimed, UnisonMed Academy, Unison Surgicals Company, Promedics Technology, Feynman Technology, and Sincere Medical Imaging Center. Publicly available reference material does not establish a complete current corporate structure, ownership profile, executive roster, or standalone financial record. The brand is therefore best understood as an active, privately held Taiwanese healthcare-technology and hospital-services group with a regional and international support footprint.
History
Unison Healthcare Group was established in Taipei in 1955 by Y. F. Shih. It initially operated as a pharmaceutical company under the Unison name. During the 1960s, the business began shifting toward medical-product representation and distribution, securing agency relationships with Western manufacturers such as Philips Duphar, Dolder, and Dagra. This transition created the foundation for its later role as an intermediary between international medical-technology companies and Taiwan's hospitals. In 1965, Unison obtained distribution rights for Philips Medical Systems in Taiwan. Five years later, in 1970, it secured distribution rights for Siemens Medical Systems. These relationships expanded the company's presence in diagnostic imaging and other hospital technologies. In 1973, the company introduced the iodinator, a commercial water-filter system described in reference material as having been used in space-shuttle applications, to the Taiwanese market. Apollo 7 astronaut Wally Schirra reportedly visited Taiwan to promote the technology. The company later moved beyond conventional distribution into hospital infrastructure and project delivery. In 2003, UHG completed a build-operate-transfer positron-emission-tomography center project in cooperation with Tri-Service General Hospital and National Cheng Kung University Hospital. The project demonstrated the group's ability to participate in financing, construction or installation, operations, and technical support rather than merely supply individual devices. The group's agency relationships also evolved as multinational manufacturers changed their market strategies. In 2005, Siemens Medical Systems retrieved its distribution rights from UHG after establishing its own Taiwanese branch. In 2009, UHG subsidiary Unison Surgical acquired distribution rights for Intuitive Surgical's da Vinci surgical system and IMRIS products. These additions strengthened the group's presence in robotic surgery and advanced surgical-imaging technology. In 2014, Philips Medical Systems withdrew UHG's Taiwanese distribution rights for computed tomography, magnetic resonance imaging, and other imaging products. During the same year, UHG established a collaborative relationship with GE Healthcare and acquired Taiwanese dealership rights from Yaskawa Electric Corporation for the ReWalk robotic exoskeleton. ReWalk is a powered lower-limb system intended to help people with paraplegia stand upright, walk, and climb stairs. Together, these developments show UHG adapting its portfolio as supplier relationships and clinical-technology categories changed. UHG subsequently continued to describe itself as a distributor, project provider, and technical-services organization covering radiology, cardiology, radiation oncology, orthopedics, medical imaging, telemedicine, and medical robotics. Its hospital services include consulting, financing support, room planning, installation, equipment maintenance, service support, engineer training, and ERP integration. The group also developed a network of strategic alliances or associated businesses, including Unison, Papasign, Unimed, UnisonMed Academy, Unison Surgicals Company, Promedics Technology, Feynman Technology, and Sincere Medical Imaging Center. The company's international role includes overseas technical support in more than 45 countries. Public descriptions identify Mainland China, Mongolia, Vietnam, and Thailand among the markets or territories served. In 2020, UHG and Comodo Cybersecurity announced a strategic healthcare-cybersecurity partnership, reflecting the increasing dependence of hospitals on connected devices, digital records, and networked clinical systems. Available reference material does not provide a comprehensive current list of executives, detailed ownership information, financial statements, or a confirmed corporate website. Accordingly, UHG's documented history is strongest in relation to its founding, supplier partnerships, hospital projects, product categories, and regional technical-support activities.
- 2020
Healthcare cybersecurity partnership announced
[1]UHG and Comodo Cybersecurity announced a strategic partnership focused on healthcare cybersecurity.
- 2014
Imaging portfolio and supplier relationships change
[1]Philips withdrew several imaging distribution rights in Taiwan, while UHG established a relationship with GE Healthcare.
- 2014
ReWalk dealership acquired
[1]UHG acquired Taiwanese dealership rights from Yaskawa Electric for the ReWalk robotic exoskeleton system.
- 2009
Unison Surgical obtains da Vinci and IMRIS distribution rights
[1]UHG subsidiary Unison Surgical acquired distribution rights for Intuitive Surgical's da Vinci system and IMRIS products.
- 2005
Siemens distribution relationship ends
[1]Siemens Medical Systems reclaimed its distribution rights from UHG after establishing a Taiwanese branch.
- 2003
PET center build-operate-transfer project completed
[1]UHG completed a positron-emission-tomography center BOT project with Tri-Service General Hospital and National Cheng Kung University Hospital.
- 1973
Iodinator introduced in Taiwan
[1]The company introduced a commercial iodinator water-filter system to the Taiwanese market.
- 1970
Siemens Medical Systems distribution rights
[1]Unison obtained distribution rights for Siemens Medical Systems in Taiwan.
- 1965
Philips Medical Systems distribution rights
[1]Unison obtained distribution rights for Philips Medical Systems in Taiwan.
- 1960
Expansion into international medical-product agencies
[1]The company began acquiring agency rights from Western manufacturers, including Philips Duphar, Dolder, and Dagra.
Products and positioning
A technology-focused medical-device distributor, hospital project integrator, and total-service provider connecting international healthcare manufacturers with hospitals and clinical institutions in Taiwan and overseas markets.
Medical imaging
Medical imaging systems
UHG distributes and supports hospital imaging technologies, including radiology equipment and historically CT and MRI-related products. Its role can include supplier representation, installation, maintenance, technical support, and integration into broader hospital workflows.
Clinical equipment
Radiology and radiation-oncology systems
The group serves radiology and radiation-oncology departments with specialized equipment and related implementation services. Available references identify these fields as important areas of UHG's medical-technology business, although they do not provide a complete current product catalogue.
Clinical equipment
Cardiology and orthopedic technologies
UHG's portfolio includes technologies used in cardiology and orthopedics. The company combines distribution with hospital consulting, technical service, equipment maintenance, and training rather than limiting its role to transactional sales.
Robotic surgery · 2009
Da Vinci surgical system
Through Unison Surgical, UHG obtained distribution rights for Intuitive Surgical's da Vinci robotic surgical system in 2009. The system is used for robot-assisted minimally invasive procedures, while UHG's documented role relates to regional distribution and associated support.
Surgical imaging · 2009
IMRIS systems
Unison Surgical also obtained distribution rights for IMRIS products in 2009. The reference material associates these products with UHG's expansion into advanced surgical and imaging technologies.
Rehabilitation robotics · 2014
ReWalk robotic exoskeleton
In 2014, UHG acquired Taiwanese dealership rights from Yaskawa Electric for the ReWalk powered exoskeleton. The system is designed to assist people with paraplegia in standing, walking, and climbing stairs through powered leg attachments.
Hospital services
Hospital turnkey and total-service solutions
UHG provides project-level services that may cover consulting, financing support, room planning, system installation, equipment maintenance, technical support, engineer training, and ERP integration. This offering positions the company as a hospital project and lifecycle-services partner.
Healthcare information technology · 2020
Healthcare cybersecurity solutions
The group's 2020 partnership with Comodo Cybersecurity extended its stated activities into healthcare cybersecurity. The available reference does not specify individual products, deployment scale, or subsequent commercial results.
Brand decisions
2020
Pursue healthcare cybersecurityStrategyBackground
The growing connectivity of medical equipment and hospital information systems created demand for specialized healthcare cybersecurity capabilities.
Action taken
UHG announced a strategic partnership with Comodo Cybersecurity.
Aftermath
The partnership broadened the group's publicly described scope into cybersecurity, although the available reference does not report commercial outcomes.
2014
Add rehabilitation robotics through ReWalk dealershipStrategyBackground
UHG expanded into assistive and rehabilitation robotics as part of its broader medical-technology portfolio.
Action taken
The company acquired Taiwanese dealership rights from Yaskawa Electric Corporation for the ReWalk robotic exoskeleton.
Aftermath
UHG added a powered mobility and rehabilitation technology to its Taiwan offering.
2009
Expand into robotic surgery and advanced surgical imagingStrategyBackground
UHG sought to broaden its healthcare-technology portfolio beyond conventional distribution and into high-value surgical technologies.
Action taken
Its subsidiary Unison Surgical acquired distribution rights for Intuitive Surgical's da Vinci surgical system and IMRIS products.
Aftermath
The move strengthened UHG's documented presence in robotic surgery and advanced surgical-imaging technologies.
Sources1 sources
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