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Keitaro Masui

CEO @ Hirogin Capital Partners

Hiroshima-shi, Japan

Keitaro Masui is a Series A investor at Hirogin Capital Partners in Hiroshima-shi focused on Automotive and Commercial. Keitaro Masui is the current CEO of Hirogin Capital Partners.

Total investments:
4
Last investment:
Lead investor:
25%

Last updated:

Industries Keitaro Masui invests in

AutomotiveCommercialReal EstateManufacturingCarbon Capture

Stages Keitaro Masui invests in

Series ASeries DFunding Round

Countries Keitaro Masui invests in

Japan

Investment Focus

Industry

  • Automotive 2 (50%)
  • Commercial 1 (25%)
  • Real Estate 1 (25%)
  • Manufacturing 1 (25%)
  • Carbon Capture 1 (25%)
See all 9 industries →

Stage

  • Series A 2 (50%)
  • Series D 1 (25%)
  • Funding Round 1 (25%)

Investments

CompanyDescriptionRoundLinks
Linough Linough
It is a system development company specializing in real estate. Development of real estate management for the system and the application, real estate utilization site operator manufacturing and sale of real estate management for hardware. Mar 24, 2025
EV Motors Japan EV Motors Japan
EV Motors Japan provides sales and services for commercial vehicles in the automotive industry. $651.1K / Series D / Nov 29, 2024
ByWill ByWill
ByWill creates and distributes environmental value while eventually becoming carbon neutral. $1.2M / Series A / May 09, 2024
KG Motors KG Motors
KG Motors is an automotive firm that manufactures electric vehicles that can be moved comfortably and safely by one person. $2.4M / Series A

Co-Investors

Chugin Capital Partner Chugin Capital Partner 1 deal together
Gifu Shinkin Bank Gifu Shinkin Bank 1 deal together
Higin Capital Higin Capital 1 deal together Iyogin Capital Iyogin Capital 1 deal together
Japan Green Investment Corporation for Carbon Neutrality Japan Green Investment Corporation for Carbon Neutrality 1 deal together
Future Creation Capital Future Creation Capital 1 deal together
Hirogin Capital Partners

About Hirogin Capital Partners

VC Fund · Hiroshima-shi, Japan

Hirogin Capital Partners provides financial support through equity finance and management support centered on temporary staffing.

Hirogin Capital Partners Contacts

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Energy
Marketplace
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FAQ

What does Keitaro Masui invest in?

Keitaro Masui invests primarily in Automotive, Commercial and Real Estate startups, most often at Series A and Series D stage. Most of the 4 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.

When did Keitaro Masui last invest?

The most recent investment recorded for Keitaro Masui closed in Mar 2025. Shizune tracks 4 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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