Top 10 Digital Media Angel Investors in Japan in July 2025

Last updated: Jul 2025 A list of 10 angel investors that invest in Digital media startups based in Japan. We rank investors based on the number of investments they made in Digital media companies from Japan. We update this investor list every month.

Top 10 Digital Media Angel Investors in Japan in July 2025

Investor	Digital Media Japan investments
Takeshi Natsuno	1
Toyoshi Ryuichiro	1
Seiichiro Wada	1
Kiyohiro Sugashita	1
Kiyoshi Nishikawa	1
Nobuhiro Ariyasu	1
Takeshi Aoki Yamato	1
Goshi Yamaguchi	1
Richard Lo	1
Shinichi Misawa	1

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Investor list

Mr. Takeshi Natsuno serves as the Chairman of Japan Operations at Great Wall Club. Mr. Natsuno is a Professor of KEIO University. He served as a General Manager of Consumer Services Division and Manager of Distribution Platform Business Development Division at Pia Corporation since April 2012 and served as its Chief of Sales Promotion Bureau sinceApril 2010. He joined DoCoMo in 1997. He served as the Managing Director of Multimedia Services, Products & Services Division for NTT DoCoMo Inc. until June 23, 2009 and served as its General Manager of i-Mode Planning Division since July 2001, Senior Vice President from June 21, 2005 to June 23, 2009, Executive Officer and General Manager Multimedia Service Division since June 2005. At NTT DoCoMo, he developed the business strategy of all of NTT DoCoMo’s multimedia-related services, including i-mode strategic alliances with global application/content providers and key Internet players. He served as Vice President of Hyper Net Co., Ltd. since June 1996. He started his career with Tokyo Gas. He held key executive positions with HyperNet. He has been a Director of Dwango Co. Ltd., since December 1, 2008. He has been a Outside Director at Sega Sammy Holdings Inc. since June 2008. He has been a Director at Pia Corporation since April 2010. He serves as a Director of D.L.E Co. Ltd. He has been a Director of Gree, Inc. since September 2009 and Trans Cosmos, Inc. since 2008. He serves as a Director of GREE Ventures, Inc. He serves as a Member of Advisory Board at Great Wall Club. He served as an Independent Non-Executive Director of SBI Holdings Inc. from June 27, 2008 to June 28, 2012. He served as a Director of Hyper Net Co., Ltd. since June 1996. He is the Author of i-mode Strategy, published in 2000, a la i-mode, published in 2002, Keitai-no-Mirai, published in 2006, Iccho-yen kaseida otokono shigotojutu, and Google ni izonshi Amazon wo maneru bakakigyou published in 2009. He holds a Bachelor’s Degree in Political Science and Economics from Waseda University, Japan in 1988 and an Master’s Degree in Business Administration from the Wharton School of the University of Pennsylvania in 1995.

Investment focus

Financial Services, Music, Venture Capital
Angel, Funding Round, Series A
Japan, United States

Portfolio highlights

ZUU — ZUU is a Japan-based company that supports financial advisors with related consultancies and manages monetary websites. It also supports the asset management and asset advisor business of executives with finance and IT.
Zuu Online — ZUU online is a Tokyo-based financial media which provides original insights on financial market news,the latest business trend and personal finance advice
Confidence — Confidence ensures that the entertainment industry's cutting-edge manufacturers will be able to fulfil their objectives in the future.

Toyoshi Ryuichiro - CEO @ Misoca

Investment focus

Apps, mHealth, Internet
Pre-Seed, Funding Round
Japan

Portfolio highlights

ReadHub — ReadHub is a Information technology , Planning, development and management of Internet media and applications company.
Everyplus — Every Plus is a Nursing care facility recreation planning and dispatch service.

Seiichiro Wada started his career as employee No.5 at a technology startup. He then joined Dwango, the fast-growing startup that operates Japanese Youtube "Niko Niko Douga", incubating new businesses for the company and then helped the company go public. After that, he joined Monex Group, the leading online brokerage group in Japan, andled new businesses there as well. He also helped establish Monex Ventures as the CVC of Monex Group first and then raised funds from external LPs for an independent early-stage venture capital. He has invested in more than 100 early stage startups, including Money Forward (IPO), Uzabase (IPO), Mentalhealth Technologies (IPO), MFS (IPO), Folio, Emerada, Gracia, and orb.

Investment focus

Legal, Content, Information Technology
Seed, Series A, Series B
Japan

Portfolio highlights

Chipee — Chipee is a social networking platform that enables its users to send digital gratitude in the form of chips.
AGRI SMILE — AGRI SMILE is a platform that focuses on sharing agricultural technology.
CharacterBank — CharacterBank offers game development and production services using VR technology.

Mr. Sugashita joined Polaris as Advisor in May 2011. He is Director and CEO of Sugashita Partners, Ltd since 1998 and provides consulting services to financial institutions and ventures in and outside of Japan. Prior to that position, he was CEO of Lazard Japan Asset Management from 1991 to 1998. His business career also includes positions at DaiwaSecurities and Merrill Lynch Securities, Tokyo Branch. On the academic front, Mr. Sugashita received a BA in Economics from Ritsumeikan University and since 2009 is Special Advisor for the Dean of Ritsumeikan Asia Pacific University.

Investment focus

Marketing, Travel, Media and Entertainment
Seed, Series A, Funding Round
Japan

Portfolio highlights

G-Next — G NEXT is an Information Technology based company.
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.

After working at KDD Corporation ï¼ˆCurrently known as KDDI Corporationï¼‰, Kiyoshi Nishikawa next went to work at Arthur D. Little Inc. in the United States, where he became inspired to start his own company. After returning to Japan, he established a Japanese corporation of the worldâ€™s largest Internet company, America On Line, LLC. Later andbased on this experience and the relationships he developed, he founded the first Internet business incubator, NETAGE, Inc. After serving as the President and CEO of NETAGE Group, he later became and still serves as the Chairman of ngi group, inc. Kiyoshi was one of the main entrepreneurs responsible for proposing and realization of â€œShibuya Bit Valley Conceptâ€ and is well known for his various speeches and writings. He is a graduate of the Department of Education at Tokyo University.