Top 10 Legal Angel Investors in Japan in January 2026

Last updated: Jan 2026 A list of 10 angel investors that invest in Legal startups based in Japan. We rank investors based on the number of investments they made in Legal companies from Japan. We update this investor list every month.

Top 10 Legal Angel Investors in Japan in January 2026

Investor	Legal Japan investments
Chihiro Asano	1
Seio Nagami	1
Shinsuke Mori	1
Miyamoto Kunihisa	1
Takato Hiroshi	1
Paul Kuo	1
Naoki Aoyagi	1
Nobuhiro Ariyasu	1
Tetsuro Yoshimatsu	1
Taki Toshio	1

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Investor list

Chief Technology Officer at Money Forward.

Investment focus

Content, Legal, FinTech
Seed, Angel, Series A
Japan

Portfolio highlights

HERP — HERP is a recruitment management platform.
Issues — Issues provides development and management of web service issues that solve the problems.
Luup — Luup is an Internet Company.

Seio Nagami

Investment focus

Task Management, SaaS, Information Technology
Seed, Series A, Angel
Japan

Portfolio highlights

Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
Stock — Stock develops products that relieve the stress of sharing information from teams around the world.
OVERFLOW — OVERFLOW provides consulting and recruitment services.

Shinsuke Mori - Joint Researcher and Technical Advisor @ LegalForce Japan

Investment focus

Legal, Task Management, Artificial Intelligence
Seed
Japan

Portfolio highlights

LegalForce — LegalForce is an AI that reduces the workload while improving the accuracy of contract review .

Miyamoto Kunihisa - President & CEO @ All Ads

Investment focus

Legal, Children, Education
Series A, Funding Round
Japan

Portfolio highlights

Issues — Issues provides development and management of web service issues that solve the problems.
Yondemy — Yondemy is an online platform for children reading books.
Back Dooor — Back Dooor is an app that provides 1on1 chatting services with favorite player of the users.

Takato Hiroshi - CEO @ M0mentum

Investment focus

Health Care, Legal, Beauty
Funding Round, Angel
Japan

Portfolio highlights

JAPAN HEALTHCARE — Japan Healthcare is a healthcare start-up that works on the prevention of musculoskeletal diseases with environmentally-friendly preventive medicine . Japan Healthcare Build a preventive system for musculoskeletal diseases with environmentally-improving preventive medicine.
Japan Healthcare Info — Japan Healthcase Info locates english-speaking doctors for you and makes appointments
Legal Technology Japan — Legal Technology is into development of cloud-based research tool called 'Legal Library' using legal books.

Paul Kuo - Director - Board of Directors @ Tamecco

Investment focus

Reservations, Travel, SaaS
Seed, Angel, Series A
Japan

Portfolio highlights

Fun — Fun is a sightseeing entertainment company that makes the world even more of a fun place.
Tabinaka — Tabinaka is a Japanese booking & reservation platform for overseas tours and travel activities.
Fun Group — Hello! We are Fun Group (formally Tabinaka) and we are Japan's first Travel and Leisure startup offering unique tours and experiences. We currently offer experiences in 7 different locations globally.

Naoki Aoyagi is a Senior Vice President at GREE, Inc. and Chief Executive Officer of GREE International, Inc. He joined GREE, Inc. in March 2006 from Deutsche Bank, where he had specialized in tech and media sector IPOs and M&A advisory work. At GREE, Aoyagi oversaw the Company's partnership with KDDI and its IPO before leading thedevelopment of GREE’s global operations, a role he continues today. Aoyagi earned a bachelor's degree in policy management from Keio University in 2002.