Masahiro Sameshima
General Partner @ ANRI
Hongo, Japan
Masahiro Sameshima is a seed investor at ANRI in Hongo focused on Energy and Biotechnology. Masahiro Sameshima is based out ofTokyo, Tokyo and is the General Partner of Anri. Masahiro previously worked at UTEC - The University of Tokyo Edge Capital as a Investment Associate. Masahiro Sameshima attended the The University of Tokyo.
- Total investments:
- 9
- Last investment:
- Lead investor:
- 78%
Last updated:
For AI agents: llms.txt
Industries Masahiro Sameshima invests in
Stages Masahiro Sameshima invests in
Countries Masahiro Sameshima invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Energy 2 (22%)
- Biotechnology 2 (22%)
- Machine Learning 2 (22%)
- Artificial Intelligence 2 (22%)
- Fuel 1 (11%)
Stage
- Seed 4 (44%)
- Series A 4 (44%)
- Pre-Seed 1 (11%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Linea Innovations is an energy production company that develops commercial fusion reactors with advanced fuel technology. | $12.3M / Series A / Jun 02, 2025 | ||
| EX-Fusion develops the first commercial laser based nuclear fusion reactor for power generation. | $12.5M / Seed / Jul 05, 2023 | ||
| Dioseve is providing novel possibilities for all life. | $3M / Seed / Aug 18, 2022 | ||
| EX-Fusion develops the first commercial laser based nuclear fusion reactor for power generation. | $1M / Pre-Seed / Apr 18, 2022 | ||
| Hutzper is a computing solution for the manufacturing industry specialized in image recognition and AI development. | $965.6K / Seed / Jan 20, 2021 | ||
| Smile Robotics provides Service Robots in Japan. | Series A / Jul 31, 2020 | ||
| Icaria's mission is to create a new society in which people will not lose their lives by using urine tests to provide "early, painless and accurate early diagnosis of cancer."It is known that detecting cancer early increases the survival rate 5 to 10 times and greatly improves the prognosis. However, it is not unusual for manycancers to have no subjective symptoms, and when they become aware they have progressed to a stage where treatment is impossible. The most effective way to detect cancer at an early stage that can be treated is to have regular and high-precision cancer diagnosis, but existing cancer diagnosis is painful and However, many of them are not accurate enough and are not suitable for regular diagnosis and early stage diagnosis. | Series A / Jun 17, 2020 | ||
| Smile Robotics provides Service Robots in Japan. | $412.9K / Seed / Jan 29, 2020 | ||
| Chaintope is specializes in blockchain technology with a focus for FinTech and non-FinTech sectors. | $967.2K / Series A / Oct 05, 2018 |
Co-Investors
About ANRI
ANRI is a Japanese venture capital firm that mainly invests in seed and early-stage startups.
ANRI Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Anri Samata
Partner; Founder & General Partner
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Anri Samata
Founder & General Partner
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Junichiro Kono
General Partner
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Kazuhiro Sakakibara
Senior Associate
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Masahiro Sameshima
General Partner
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FAQ
What does Masahiro Sameshima invest in?
Masahiro Sameshima invests primarily in Energy, Biotechnology and Machine Learning startups, most often at Seed and Series A stage. Most of the 9 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Masahiro Sameshima?
Public channels for Masahiro Sameshima include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Masahiro Sameshima last invest?
The most recent investment recorded for Masahiro Sameshima closed in Jun 2025. Shizune tracks 9 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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