Top 10 Medical Device Angel Investors in Japan (July 2026)
For AI agents: Short investor table (Markdown), Detailed investor list (Markdown)
| Investor | Relevant Deals | Geography | Stage | Focus | Round Size |
|---|---|---|---|---|---|
|
Satoshi Fujita
Angel
|
1 | Japan | Seed | Dental, Health Care, Medical Device | |
|
Masahito Seno
Angel
|
1 | Japan | Seed | Dental, Health Care, Medical Device | |
|
Morimasa Sato
Angel
|
1 | Japan | Seed | Dental, Health Care, Medical Device | |
|
Yoshitsune Ido
Angel
|
1 | Japan | Seed, Series A, Pre-Seed | Robotics, Information Technology, B2C | $1.4M–$14M |
|
Kunihiro Ogihara
Angel
|
1 | Japan | Seed, Angel, Venture - Series Unknown | Dental, Software, Freelance | |
|
Hiroo Kaku
Angel
|
1 | Japan | Seed | Dental, Health Care, Medical Device | |
|
Hirohide Arimoto
Angel
|
1 | Japan | Seed | Dental, Health Care, Medical Device | |
|
Yasuhiro Hayam
Angel
|
1 | Japan | Series A | Health Care, Medical Device | |
|
Toshihiko Sato
Angel
|
1 | Japan | Seed | Medical, Health Care, Medical Device | |
|
Hao Yan
Angel
|
1 | Japan | Series A | Robotics, Manufacturing, Medical Device | |
| Access all 16 angel investors in Japan Medical Device startups. | |||||
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Investor list
Satoshi Fujita
Show more...Investment focus
- Industry: Dental, Health Care, Medical Device
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Brace — Brace is an online dental service provider that offers orthodontic treatment and electronic medical records.
Masahito Seno
Show more...Investment focus
- Industry: Dental, Health Care, Medical Device
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Brace — Brace is an online dental service provider that offers orthodontic treatment and electronic medical records.
Morimasa Sato
Show more...Investment focus
- Industry: Dental, Health Care, Medical Device
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Brace — Brace is an online dental service provider that offers orthodontic treatment and electronic medical records.
Yoshitsune Ido
Show more...Investment focus
- Industry: Robotics, Information Technology, B2C
- Stage:Seed, Series A, Pre-Seed
- Geography: Japan
Investor stats
- Total investments: 7
- Round size: Seed $1.4M–$14M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- AndGAMER — AndGAMER is an eSports agency that develops custom controllers and gaming products for players.
- Dots for — Welcome to Dots for Inc.
- Freecracy — FreeC a platform that connects millions of employers and job seekers by utilizing intelligent matching technology that is powered by AI.
Kunihiro Ogihara is the CEO of Zero to One Co., Ltd.
Show more...Investment focus
- Industry: Dental, Software, Freelance
- Stage:Seed, Angel, Venture - Series Unknown
- Geography: Japan
Investor stats
- Total investments: 5
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- tayorie — tayorie is an automated messaging tool for transmitting sentiments and information in times of emergency.
- Brace — Brace is an online dental service provider that offers orthodontic treatment and electronic medical records.
- Amateras Space — Amateras Space is a startup driven by the mission to “expand the realm of human activity,” aiming to establish a next-generation spacesuit business by developing advanced, practical technologies that enable humans to work, explore, and thrive in space and other extreme environments.
Hiroo Kaku is a partner at Super Smile International Orthodontics.
Show more...Investment focus
- Industry: Dental, Health Care, Medical Device
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Brace — Brace is an online dental service provider that offers orthodontic treatment and electronic medical records.
Hirohide Arimoto is a partner at E-Smile International Orthodontics.
Show more...Investment focus
- Industry: Dental, Health Care, Medical Device
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Brace — Brace is an online dental service provider that offers orthodontic treatment and electronic medical records.
Yasuhiro Hayami is the Chief Business Officer of MEDIROM Mother Labs.
Show more...Investment focus
- Industry: Health Care, Medical Device
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 100% lead, 0% follow
Portfolio highlights
- MEDIROM MOTHER Labs — MEDIROM MOTHER Labs company’s core activities include the “Specific Health Guidance Program” offered through the “Lav” health application and development and sales of the 24/7 recharge-free MOTHER Bracelet smart tracker.
Toshihiko Sato
Show more...Investment focus
- Industry: Medical, Health Care, Medical Device
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- IWG — IWG is a medical start-up that provides cloud-based solutions for medical resource shortages and work support tools.
Hao Yan is the Representative Director of EPS Holdings.
Show more...Investment focus
- Industry: Robotics, Manufacturing, Medical Device
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- BionicM — BionicM develops high-performance robot prostheses that enhance mobility for people with disabilities.BionicM has been conducting research on innovative technologies since 2015 at the University of Tokyo's Information Systems Engineering Laboratory (JSK) under the guidance of Professor Inaba and utilizing the world's most advancedrobotics research. In 2016, we were adopted by the Japan Science and Technology Agency as part of "Program for Creating STart-ups from Advanced Research and Technology" (START), and in 2018, the company was established as a joint-stock company.
Medical Device Angel investor funding in Japan at a glance
Stats across 9 deals from 16 investors.
Access all 16 angel investors in Japan Medical Device startups.
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