Mutex
Tokyo, Japan · Artificial Intelligence, Health Care, Information Technology
Mutex is a software development company focused on AI-powered solutions for medical institutions. Its flagship product, Reze, is a SaaS platform designed to help medical institutions automate claim processing and improve operational management. By leveraging generative AI and machine learning, Reze simplifies administrative tasks and optimizes revenue for medical departments. Founded in 2022 and h
Key facts
- Headquarters
- Tokyo, Japan
- Employees
- Unknown
- Industries
- Artificial Intelligence, Health Care, Information Technology
- Status
- Private
- Website
- www.mutex-inc.dev
- Company page
Recent activity at Mutex
Mutex funding history
| Date | Round | Amount |
|---|---|---|
| Dec 2025 | Seed | $60.0M |
Leadership
- Ryotaro Hayashi, Engineer
- Yuto Yoshihara, Chief Technology Officer
Verified email and direct lines for Mutex’s decision-makers are on Fundz. See plans
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About Mutex: questions and answers
What does Mutex do?
Mutex is a software development company focused on AI-powered solutions for medical institutions. Its flagship product, Reze, is a SaaS platform designed to help medical institutions automate claim processing and improve operational management. By leveraging generative AI and machine learning, Reze simplifies administrative tasks and optimizes revenue for medical departments. Founded in 2022 and h
Where is Mutex headquartered?
Mutex is headquartered in Tokyo, Japan.
Has Mutex raised funding?
Yes. Fundz has recorded 1 funding event for Mutex. The most recent, Seed of $60.0M, was in Dec 2025.
What is the latest news on Mutex?
On Dec 16, 2025, Mutex Raises ¥60 Million in Seed Funding led by MTI Co., Ltd. to enhance product development for its AI-powered medical claims platform.
Source: Fundz records from SEC filings, press releases and company announcements. How Fundz measures data accuracy