Top 10 Energy Angel Investors in Japan (May 2026)
For AI agents: Short investor table (Markdown), Detailed investor list (Markdown)
| Investor | Relevant Deals | Geography | Stage | Focus | Round Size |
|---|---|---|---|---|---|
|
Cheng Tao
Angel
|
1 | Japan | Seed, Angel, Series A | Telecommunications, Content, Internet | |
|
Yoshinori Fukushima
Angel
|
1 | Japan, Singapore | Seed, Angel, Series A | Internet, Marketing, Media and Entertainment | $2.5M–$66M |
|
Sotaro Karasawa
Angel
|
1 | Japan | Seed, Pre-Seed, Series B | Blockchain, Art, Travel | $1.6M–$14M |
|
Matsuoka Tsuyoshi
Angel
|
1 | Japan, Singapore | Seed | Water, Banking, Analytics | |
|
Suzuki Tatsuya
Angel
|
1 | Japan | Seed, Angel | Internet, Agriculture, Information Technology | |
|
Taizo Son
Angel
|
1 | Japan, Singapore, United States | Seed, Series A, Angel | Financial Services, Information Technology, Venture Capital | $1.8M–$100M |
|
Makoto Takano
Angel
|
1 | Japan, Philippines | Seed, Series A, Series B | Content, Sports, Apps | $2.3M–$220M |
|
Seio Nagami
Angel
|
1 | Japan | Seed, Series A, Angel | Task Management, SaaS, Information Technology | |
|
Takuma Iwasa
Angel
|
1 | Japan | Seed | Water, Beauty, IT Management | |
|
Yagi Toshiyuki
Angel
|
1 | Japan | Seed | Energy, Outsourcing, Electrical Distribution | |
| Access all 9 angel investors in Japan Energy startups. | |||||
Access 48,091 investors
822 industries, 177 countries. Updated daily. Emails and phones included.
Browse database — It's Free!
Investor list
Tao Cheng currently works as Chief Executive Officer and Founder of popIn.
Show more...Investment focus
- Industry: Telecommunications, Content, Internet
- Stage:Seed, Angel, Series A
- Geography: Japan
Investor stats
- Total investments: 3
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- 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!
- Aidemy — Aidemy is a web service where you can learn AI programming online.
- GIRASOL ENERGY — Girasol Energy is an IoT Platform provides innovative PLC technologies that enable wiser PV Plants.
Completed the Graduate School of Engineering, the University of Tokyo. He developed the service of “Gunosy” while he was in graduate school. Established Gnosy in 2012 and appointed CEO. In 2013, he was appointed President and CEO. 2012 IPA Unexplored Super Creator. He also served as President of LayerX.
Show more...Investment focus
- Industry: Internet, Marketing, Media and Entertainment
- Stage:Seed, Angel, Series A
- Geography: Japan, Singapore
Investor stats
- Total investments: 13
- Round size: Seed $3.4M–$66M; Series A $2.5M–$14M
- Lead/follow: 8% lead, 92% follow
Portfolio highlights
- Now Do — Now Do provides online growth revolution platform.
- Manabie — Manabie is an Education Technology start-up company on a mission to provide a new style of online & offline merged learning around the world. We provide students with everything they need for efficient learning; high-quality learning materials, great learning environments, personal coaches and more! We believe that our new method of learning,integrating online and offline will dramatically innovate the way students learn.
- Luup — Luup is an Internet Company.
Sotaro Karasawa - Chief Technology Officer @ STAR FESTIVAL
Show more...Investment focus
- Industry: Blockchain, Art, Travel
- Stage:Seed, Pre-Seed, Series B
- Geography: Japan
Investor stats
- Total investments: 5
- Round size: Seed $1.6M–$14M
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Anique — Anique is a service that utilizes blockchain technology to make artworks.
- Atmoph — A smart digital window that opens to beautiful scenery from around the world. By simply putting it on your desk or hanging it on the wall, Atmoph Window will open up a whole new world before you.
- FRAME00 — FRAME00 is a blockchain technology startup developing a decentralized funding platform. Our product "Dev Protocol" is an open source middleware that fairly evaluates any activity and support sustainability with staking. More innovative way than donating your money.
Matsuoka Tsuyoshi - Executive Officer @ Goodpatch
Show more...Investment focus
- Industry: Water, Banking, Analytics
- Stage:Seed
- Geography: Japan, Singapore
Investor stats
- Total investments: 3
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- umitron — Umitron is a data company for aquaculture. We support fish farmers to increase productivity through data analytics. One of the biggest challenges in aquaculture is increasing feeding cost. We optimize feed amount and timing by using fish behavior analytics and water quality data. Our goal is to "install Sustainable Aquaculture on Earth".
- nanoFreaks — nanoFreaks builds a rescue system on the sea, creating an environment where everyone can live with peace of mind.
- Bankers Holding — Bankers Holding controls the bankers group companies that provide financial services via internet.
1985. Graduated from the Faculty of Economics, Hitotsubashi University. In 2008, he engaged in new business support and venture support for large companies at Inspire Co., Ltd. In 2011, he was appointed director of UXConsulting company wacul. In 2012, he was appointed director of giftee.
Show more...Investment focus
- Industry: Internet, Agriculture, Information Technology
- Stage:Seed, Angel
- Geography: Japan
Investor stats
- Total investments: 7
- Lead/follow: 14% lead, 86% follow
Portfolio highlights
- Synflux — Synflux is a fashion lab comprising of fashion designers, software engineers & architects focused on fashion industry.
- AGRI SMILE — AGRI SMILE is a platform that focuses on sharing agricultural technology.
- Another works — Another works is a internet platform & the industry's first service that allows you to directly approach the talent you are interested in from a database of a variety of ready-to-work and multi-tasking personnel. You can also use the performance fee for free.
Taizo Son - Co-Founder @ VIVITA
Show more...Investment focus
- Industry: Financial Services, Information Technology, Venture Capital
- Stage:Seed, Series A, Angel
- Geography: Japan, Singapore, United States
Investor stats
- Total investments: 23
- Round size: Seed $2.3M–$14M; Series A $1.8M–$100M
- Lead/follow: 43% lead, 57% follow
Portfolio highlights
- LIFT99 — LIFT99 is a coworking hub and network of startup founders in Tallinn, Estonia, and Kyiv, Ukraine. In 2018, we launched our Skillsharing Platform for founders around the world.
- 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.
- AnotherBall — AnotherBall = Digital + Entertainment + Token economy
Makoto Takano is CEO of atomixmedia, inc., publisher and editor-in-chief of Forbes Japan and Rolling Stone Japan since June, 2014. Prior to joining Atomixmedia, Inc., he was Managing Director and President of PIMCO Japan Ltd. Before joining PIMCO in 2001, he was head of marketing at Goldman Sachs Asset Management. Makoto's prior experiencealso includes work at Daiwa Securities where he was head of the strategists team at Daiwa Institute of Research. He has published extensively on the capital markets. In 1992, he was awarded Securities Analysts Journal Prize by the Securities Analyst Association of Japan. He has also given lectures on asset management at Waseda University and Kyoto University. He holds master’s and undergraduate degrees in engineering from Waseda University. Makoto serves as Director of Nippon Finance Association and Rebuild Japan Initiative Foundation.
Show more...Investment focus
- Industry: Content, Sports, Apps
- Stage:Seed, Series A, Series B
- Geography: Japan, Philippines
Investor stats
- Total investments: 11
- Round size: Seed $2.7M–$14M; Series A $2.3M–$25M; Series B $32M–$220M
- Lead/follow: 9% lead, 91% follow
Portfolio highlights
- BeatFit — BeatFit is a fitness-tech startup based in Japan.
- PROGRIT — PROGRIT is an English-related media management company.
- Luup — Luup is an Internet Company.
Seio Nagami
Show more...Investment focus
- Industry: Task Management, SaaS, Information Technology
- Stage:Seed, Series A, Angel
- Geography: Japan
Investor stats
- Total investments: 6
- Lead/follow: no public data
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.
Takuma Iwasa is a Founder & CEO at Cerevo.
Show more...Investment focus
- Industry: Water, Beauty, IT Management
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 2
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- RABO — RABO is a Cat-Tech Company that "watches cat life with technology.
- nanoFreaks — nanoFreaks builds a rescue system on the sea, creating an environment where everyone can live with peace of mind.
Yagi Toshiyuki is the Representative Director of Power Next Inc.
Show more...Investment focus
- Industry: Energy, Outsourcing, Electrical Distribution
- Stage:Seed
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: no public data
Portfolio highlights
- POWERNEXT — POWERNEXT provides electric power supply & demand management, rate calculation, customer management & environmental value trading services.
Energy Angel investor funding in Japan at a glance
Stats across 6 deals from 9 investors.
Access all 9 angel investors in Japan Energy startups.
Open ListFAQ
Is Shizune data fresh/accurate?
Shizune has monitored hundreds of funding sources since 2020.
Our investor database is updated every day, so investor data is always fresh.
All metrics are calculated from confirmed public rounds, so the data is accurate.
Can I download investor list?
To download the Energy Angel Investors in Japan investor list, create a Shizune account. This investor list will be added to your saved investors and available for download in the export section.
You can also enrich the investor list with investor emails, phones, LinkedIns, and other contact data.
Can I access investor database?
To access all 9 angel investors investing in Japan Energy startups and 48,091+ more investors, create a Shizune account.
Shizune has a database of 48,091 investors. Our investor database is fresh and updated daily.
The Shizune investor database has information on investor investment focus, investor contact data, and full investor portfolio since 2020.
You can enrich with email and download the data.
Does Shizune have investor emails and contacts?
Shizune enriches investors with contact data that includes: email, phones, LinkedIn, socials, website, and others.
To guarantee the highest discovery rate, we search across 20+ contact search tools.
To maximize delivery rate and reduce bounce rate, we validate emails.
You can enrich your investor list with Shizune. Download it too.
What is Shizune?
Shizune is a 48,091 investor database updated daily.
With Shizune you can:
- browse the database
- use smart matching
- enrich with emails
- download
All you need to find investors for your startup.
Who is Shizune for?
Shizune is built for startup founders by startup founders.
If you are looking for funding for your startup, try the Shizune database — we have investors for every stage, industry, and country.
Is Shizune free?
Shizune is free forever. You can search and browse investors for free.
Email search and export are paid features.
For full info, visit our pricing.
Who built Shizune?
Shizune is built by founders with the goal of helping all founders raise funding no matter where they are.
Contact 100 investors today
Find who invests in your industry, stage, and country. Download investor list with emails in 5 minutes.
Find investors — It's Free!
Sign up with Google
Sign up with LinkedIn
