Top 5 Renewable Energy Angel Investors in Japan (September 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 | |
|
Kei Tanaka
Angel
|
1 | Japan | Angel, Series A, Series D | Beauty, Energy, Cosmetics | |
|
Takagi Masahiro
Angel
|
1 | Japan | Series A | Energy, Manufacturing, Renewable Energy | |
|
Kohei Terada
Angel
|
1 | Japan, United States | Seed, Angel | E-Commerce, Information Technology, Energy | $1M–$1.5M |
|
Kawanishi Tomoya
Angel
|
1 | Japan | Series A, Venture - Series Unknown | Energy, Smart Home, Renewable Energy | |
| Access all 21 angel investors in Japan Renewable Energy startups. | |||||
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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.
Kei Tanaka is the Individual investor/Former Co-Head of Asset Management at Goldman Sachs Securities Co., Ltd.
Show more...Investment focus
- Industry: Beauty, Energy, Cosmetics
- Stage:Angel, Series A, Series D
- Geography: Japan
Investor stats
- Total investments: 4
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- THE RICH — THE RICH is a hair care brand that contains silk regenerating and repairing ingredients.
- Helical Fusion — Helical Fusion is a startup company that aims to commercialize fusion energy using magnetic confinement of high-temperature plasmas. It is a spin-off startup from the National Institute for Fusion Science (NIFS) in Japan that provides a fusion reactor based on the stellarator design, a magnetic confinement approach that enables inherently stable,continuous plasma operation.
- One World Technology — One World Technology Co., Ltd. blends traditional Japanese culture with advanced technology to deliver a modern luxury lifestyle. It offers a shared ownership model for global clientele, allowing them to co-own culturally inspired villas featuring Japanese gardens, teahouses, and refined architectural design.
Takagi Masahiro is a Director at AFPBB News.
Show more...Investment focus
- Industry: Energy, Manufacturing, Renewable Energy
- Stage:Series A
- Geography: Japan
Investor stats
- Total investments: 1
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- DG Capital Group — DG Capital Group is a firm that develops and manufactures devices to connect renewable energy distribution networks to conventional systems.
Currently, Kohei Terada holds the position of Chairman of CO-WELL Co., Ltd., Chairman at Terra Power Co., Ltd. and Chief Operating Officer & Director at Equinix Japan KK. In 2015, he sold Bit-isle to Equinix for $280 million creating the largest data center in Japan.He is also on the board of eBOOK Initiative Japan Co., Ltd., MarketEnterprise Co., Ltd., Adval KK and Equinix (Japan) Enterprises KK. In his past career Kohei Terada was Director & Vice President at Warehouse TERRADA Co., Ltd.
Show more...Investment focus
- Industry: E-Commerce, Information Technology, Energy
- Stage:Seed, Angel
- Geography: Japan, United States
Investor stats
- Total investments: 6
- Round size: Seed $1M–$1.3M; Angel $1.2M–$1.5M
- Lead/follow: 50% lead, 50% follow
Portfolio highlights
- Enechange — Tokyo-based Enechange, the company offering an energy price comparison site under the same name .They are disseminating information on electricity and energy, useful electricity savings and savings right now, in order to liberalize the electricity in 2016.Enechange.Jp/try/detail Let's now begin the power company to choose in! Themiddle person is a graduate student intern! I am studying every day.
- NonEntropy Japan — NonEntropy Japan is a tech company that provides distributed data storage service that utilizes IPFS technology.
- MarketEnterprise — Market Enterprise is an online second-hand distributor under the C to B to C model. For the C to B, it has approximately 40 online sites, and for the B to C portion, it sells its product through online marketplaces such as Yahoo Auction, Amazon, and Rakuten.
Kawanishi Tomoya
Show more...Investment focus
- Industry: Energy, Smart Home, Renewable Energy
- Stage:Series A, Venture - Series Unknown
- Geography: Japan
Investor stats
- Total investments: 2
- Lead/follow: 0% lead, 100% follow
Portfolio highlights
- Enechange — Tokyo-based Enechange, the company offering an energy price comparison site under the same name .They are disseminating information on electricity and energy, useful electricity savings and savings right now, in order to liberalize the electricity in 2016.Enechange.Jp/try/detail Let's now begin the power company to choose in! Themiddle person is a graduate student intern! I am studying every day.
Renewable Energy Angel investor funding in Japan at a glance
Stats across 17 deals from 21 investors.
Access all 21 angel investors in Japan Renewable Energy startups.
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