How this AI tool ease Japan’s physician burnout crisis
This article is a part of Startup Spotlight, a series that features young, up-and-coming startups.

Image credit: Timmy Loen
After years of consulting for Japanese healthcare firms, the founders of Nihin Media K.K. saw a disconnect. They witnessed doctors working long shifts, struggling to find fast, reliable medical evidence. Meanwhile, powerful AI and data remained separate from clinical workflows, leading them to build a tool to bridge that gap.
😟 Problem
Japanese physicians often work 12-hour shifts and then spend an additional one to two hours daily researching medical content. This challenge is compounded by the fact that medical information is doubling every 73 days. This creates a significant time burden and risk of burnout for clinicians.
💡 Solution
Nihin Media developed MedGen Japan, an AI assistant for medical knowledge. It turns doctors’ clinical questions into citation-backed answers in about one minute, replacing manual literature searches. The platform is designed for use at the point of care.
- Fast synthesis: Delivers answers in around 60 seconds.
- Citation-backed: Provides sources to ensure clinical reliability.
- Localized: Offers summaries specifically for Japanese clinicians.

Photo credit: MedGen Japan
📊 Market size
MedGen Japan is targeting Japan’s pharmaceutical digital marketing and sales markets, estimated at US$2 billion and US$10 billion respectively. The company’s initial focus is on around 200 domestic healthcare companies. This presents a bottom-up opportunity of US$667,000 to US$3.3 million in annual recurring revenue per enterprise client.
🤝 Team
- Kota Ando. Co-founder and CEO. Former consultant for the top ten pharmaceutical companies. Expert in Japan’s healthcare market and clinical go-to-market strategy.
- Manjunatha Chandrappa. Co-founder, chief AI officer, and tech lead. He has over ten years of experience in pharma consulting and data science. Previously served as a head of data science in Japan.
🚀 Traction
- Delivered over 200,000 clinical query responses within around six months of launch.
- Reached a user base of about 6,000 verified physicians in Japan.
- Achieved daily organic usage across hospitals and clinics.
- Initiated paid pilot engagements with pharmaceutical partners.
🏆 Competition
MedGen Japan operates in a space with established clinical reference tools like UpToDate and AI search platforms like OpenEvidence.
While general AI such as ChatGPT can provide information, it lacks clinical specialization. MedGen differentiates by offering doctor-native workflows and one-minute citation-backed answers at the point of care, creating a real-world data flywheel from clinical questions.
💰 Financials
The company uses a dual-sided business model. It charges doctors US$10 to US$20 per month or hospitals US$13,300 to US$53,300 per year for its clinical decision support tool. It also secures annual contracts of US$200,000 to US$667,000 with pharmaceutical companies for access to real-world data and insights.
Stay updated on the go with our mobile app.
Get latest insights with smoother, more personalized experience through TIA mobile app.







