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Healthcare startup SDP Japan, Inc. has raised approximately JPY 4.5 billion (equivalent to $31 million) through a Series D equity financing round, alongside secondary transaction, debt financing and asset-based funding. The equity round was led by Japan Post Investment and included participation from seven institutional investors.
Japan's super-aeging society continues to fuel steady growth in the healthcare sector, particularly in the fields of orthopedics and cardiovascular — two core areas of focus for SDP Japan.
Surgical procedures in these specialties are increasing at 5–8% per annum, with demand projected to grow through 2050, according to research by Yano Research Institute.
Despite growing need, the surgical care sector faces systemic challenges: surgeons often lack access to adequate infrastructure and support, while patients continue to struggle with finding reliable specialists — often by chance — highlighting persistent disparities in access to information and care.
SDP Japan is redefining the surgical care model by building integrated platforms where physicians can focus purely on their expertise, and patients are guided seamlessly toward optimal treatments. With a unique position at the intersection of patient marketing, facility production, and healthcare operations management, the company has expanded the footprint of surgery-focused medical institutions — primarily in urban areas — and is now poised to scale its next-generation model nationwide.
This funding round will further strengthen SDP Japan's growth platform and enable the rollout of advanced surgical care models to underserved regions. The company is committed to rebuilding medical infrastructure in regional cities through close collaboration with stakeholders across the healthcare ecosystem, aiming to establish a sustainable and equitable healthcare system.
