Yoshifumi Seki
Co-Founder and Senior Researcher @ Gunosy
Tokyo, Japan
Yoshifumi Seki is a seed investor at Gunosy in Tokyo focused on Finance and Security. Yoshifumi Seki is the Senior Researcher and Co-Founder at Gunosy.
- Total investments:
- 3
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Yoshifumi Seki invests in
Stages Yoshifumi Seki invests in
Countries Yoshifumi Seki invests in
Round sizes
Round size
- Seed
- $7.6M–$17M
Investment Focus
Industry
- Finance 1 (33%)
- Security 1 (33%)
- Logistics 1 (33%)
- Task Management 1 (33%)
- Financial Services 1 (33%)
Stage
- Seed 2 (67%)
- Funding Round 1 (33%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Sozi
|
The core members of Sozi are information technology experts. I have been involved in communication and web service development in the information society. On the other hand, each is familiar with many contents such as manga, anime, and illustrations . | Sep 30, 2020 | |
Tokyo
|
Tokyo provides consistently-designed signage and projector installation, as well as maintenance company support. All customers need is “product selection” considering installation. This is a service that does not take time and effort! | $17M / Seed / Jul 29, 2019 | |
Smartround
|
Smartround is a specialized finance management platform for startups and their investors. For start-ups, for entrepreneurs who are not familiar with finance, simply enter the necessary information according to the guide, prepare appropriate financing round, and prepare a function that can simulate and execute a capital increase. Support informationsharing and communication with shareholders even after the capital increase. | $7.6M / Seed / Mar 06, 2019 |
Co-Investors
Akatsuki Games Inc.
1 deal together
East Ventures
1 deal together
Genesia Ventures
1 deal together
GREE Ventures
1 deal together
Heart Driven Fund
1 deal together
Quantum Leaps Corporation
1 deal together
About Gunosy
Gunosy is a news curation application that covers a wide range of news from entertainment news to political news. The application finds its news from multiple web sources and presents them according to how hot the topic is. Gunosy’s features include categorized tabs; the ability to customize the categories that users need to follow and create theirown personal magazine; instant access to a wide variety of news; and push notifications to remind users of news updates.The company was founded in 2012 and is headquartered in Japan.
Gunosy Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Nishio Kentaro
Executive officer
|
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Tetsuya Nagashima
Director COO
|
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Yuya Taketani
Chief Executive Officer
|
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|
Chiba Hisayoshi
Operating officer
|
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Hiroki Teshima
Outside Director
|
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FAQ
What does Yoshifumi Seki invest in?
Yoshifumi Seki invests primarily in Finance, Security and Logistics startups, most often at Seed and Funding Round stage. Most of the 3 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Yoshifumi Seki's check size?
Yoshifumi Seki typically joins rounds of $7.6M–$17M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Yoshifumi Seki participates in.
When did Yoshifumi Seki last invest?
The most recent investment recorded for Yoshifumi Seki closed in Sep 2020. Shizune tracks 3 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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