Partners Fund
VC Fund
Tokyo, Japan
Partners Fund is a venture capital firm.
- Total investments:
- 19
- Last investment:
- Lead investor:
- 42%
- Fund size:
- $5M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Partners Fund invests in
Stages Partners Fund invests in
Countries Partners Fund invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $788k–$1.3M
- Series A
- $756k–$52M
Investment Focus
Industry
- E-Commerce 3 (16%)
- Service Industry 3 (16%)
- Artificial Intelligence 3 (16%)
- Fashion 2 (11%)
- Women's 2 (11%)
Stage
- Seed 9 (47%)
- Series A 5 (26%)
- Series B 2 (11%)
- Funding Round 1 (5%)
Country
- Japan 15 (79%)
- United States 1 (5%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Yudai Yamada
General Partner
|
General Partner | Total investments: 1 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Bridgesmile operates an on-site installation and replacement service platform for consumers and businesses. Its service, The Butler Next Door, enables customers to arrange technician visits for products purchased through e-commerce sites and manufacturers. Supported categories include dash cameras, security cameras, smart locks, and air conditioners. The platform coordinates online reservations with offline installation work and provides pricing and service coverage information. Bridgesmile also develops and operates the service for business partners, including e-commerce companies and manufacturers. | $51.9M / Series A / Sep 28, 2026 | ||
| Infratech Japan Holdings operates a roll-up M&A and business succession model targeting civil engineering and manufacturing firms that maintain social and industrial infrastructure. By consolidating these entities, the organization delivers a hybrid framework of centralized operational support, management guidance, and AI-driven digitaltransformation to enhance individual corporate value. This ecosystem generates systemic value by optimizing resource allocation and driving cross-company synergies to resolve widespread aging infrastructure challenges. | $1.2M / Seed / Jul 30, 2026 | ||
| Sazo specializes in constructing a global e-commerce and logistics network with AI. | $10.2M / Series A / Jul 22, 2026 | ||
| New Space Intelligence is a space research company that provides satellite data pipeline services to optimize user requests. | $2.7M / Series A / Apr 07, 2026 | ||
| MoveEz develops mapless autonomous driving technology using proprietary perception and decision-making systems. Their solutions enable sustainable, all-weather autonomous mobility without relying on high-precision digital maps. | $1.3M / Seed / Feb 25, 2026 | ||
| Toro TMS is a truck transportation company that provides a single software solution to help trucking companies move more loads. | Series B / Sep 22, 2025 | ||
| Kinish is a food company that produces dairy substitutes from plants in a sustainable and scalable way. | $787.8K / Seed / Feb 14, 2025 | ||
| Josan shes is web start up that offers nursing service to women and babies. | Seed / Feb 06, 2024 | ||
| KaKa Creation is an animation company that produces high-quality vertical animation and content services using AI. | $1.1M / Seed / Nov 22, 2023 | ||
| Deltan is a developer of dental braces that offer orthodontic services. They manage data such as dental laboratory instructions, scan data, intraoral and facial photographs, and CT on the cloud. Their product is an orthodontic brace that has low visibility and acts like regular braces. | Seed / Jan 25, 2023 | ||
| See all 19 investments → | |||
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FAQ
What does Partners Fund invest in?
Partners Fund invests primarily in E-Commerce, Service Industry and Artificial Intelligence startups, most often at Seed and Series A stage. Most of the 19 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Partners Fund invest in?
Partners Fund typically joins rounds of $788k–$1.3M at Seed and $756k–$52M at Series A. These are whole funding-round sizes, not Partners Fund's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Partners Fund took part in.
How do I contact Partners Fund?
Public channels for Partners Fund 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.
Who are the partners at Partners Fund?
The team at Partners Fund includes Yudai Yamada (General Partner). The Team section lists each member with their title, investment count and links.
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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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