Top 35 Renewable Energy Startup Investors in Japan (May 2026)

Portfolio highlights

• Astroscale — Astroscale is the first private company with a vision to secure the safe and sustainable development of space for the benefit of future generations, and the only company solely dedicated to on-orbit servicing across all orbits.
• Synspective — Synspective provides one-stop-solutions by satellite gathered geospatial data. The core technology was developed by the ImPACT program led by The Cabinet Office, Government of Japan, building small SAR satellites and constellations, allowing frequent observation of areas of interest (AOI). Synspective uses its satellites to produce SAR data which can be provided to both government and commercial clients as-is, as well as transform that data through AI solutions to produce insights and user-friendly information across industries.
• Clean Energy Connect — Clean Energy Connect is into offering green energy solutions. It invests in its own generation capacity for a stable electricity supply by not harming nature.

Portfolio highlights

• Josys — Josys is an IT device and SaaS integrated management service that automates analog operations in corporate IT, reduces operational costs, and improves security levels.
• Spiral.AI — Spiral.AI offers services for large language models, AI language model platform, and customization features for ChatGPT for businesses.
• Pathos Logos — Pathos Logos is an HR co-creation platform that specializes in sales of SaaS and supply of human resources for corporations.

Portfolio highlights

• Cerby — Collaborate without chaos. Cerby helps your team be productive while protecting your brand. Secure unmanageable applications. Only with Cerby.
• CYBO — CYBO provides products and services to understand cells deeply and to harness them widely.
• Bondy — Bondy is an HR Tech automation platform that specializes in connecting different HR processes.

Portfolio highlights

• wakuwaku — WAKUWAKU is a Japanese real estate tech company that focuses on developing a platform that helps users to search for and renovate used housing. In addition, the company offers platforms for building materials e-commerce and marketing automation for the real estate and construction industries.
• Aqua System — AQUA SYSTEM manufactures mil-kin, a microscope that enables the real-time visualization of bacteria. The company also handles the slightly acidic electrolytes water Purester system for agricultural field usage, generates equipment for hypochlorous water, and more.
• Receptionist — Delighted develops an application for reception services. The company was founded in 2016 and is based in Tokyo, Japan.

Portfolio highlights

• Bloomo Investment — Bloomo Investment is a software company that specializes in the development of smart and fun investment apps.
• Luup — Luup is an Internet Company.
• SUSHI TOP MARKETING — SUSHI TOP MARKETING is an IT company that offers marketing, NFT utilization, and consulting services.

Portfolio highlights

• INNOPHYS — INNOPHYS is developing, designing, manufacturing, consulting and distributing robotics equipment for various industries. Their flagship product, Muscle Suit® is a wearable robot supported by artificial muscle technology, well known for its high quality and reasonable price compared with the same kind of support exoskeletons. The company is planningto expand its business to Asia Pacific, Europe, and North America.
• wakuwaku — WAKUWAKU is a Japanese real estate tech company that focuses on developing a platform that helps users to search for and renovate used housing. In addition, the company offers platforms for building materials e-commerce and marketing automation for the real estate and construction industries.

Portfolio highlights

• Hiip — Hiip has helped +1,000 brands collaborate with +20,000 vetted influencers across Southeast Asia via our offices in Vietnam, Indonesia, Thailand, The Philippines and Singapore
• yasaikobo — yasaikobo is astart-up to operate a fully artificial light plant plant factory.
• ChekkitApp — Chekkit is a DAG blockchain powered anti-counterfeiting solution for food and drug supply chain tracking and customer insights platform. It helps producers protect their brands, track supply chain activities, and collect last-mile consumer insights in real-time.

Portfolio highlights

• SemiDrive — Semidrive is a car smart driving chip developer specializing in automotive applications, providing users with products such as ADAS and autonomous driving. It is dedicated to helping users solve the problem of smart driving chips. It also provides research and development services for intelligent core processors. The company's main researchand development of car processor chip products, providing smart car core chips and high-performance industrial microprocessors and other semiconductor products and system-level turnkey solutions. Its chip's main application areas include: intelligent cabin and in-car entertainment systems, ADAS and L2.5 and below, and automatic controllers
• Qingwei Intelligent Technology — Qingwei Intelligent Technology is a Chinese artificial intelligence (AI) chip maker
• Gokin Solar — Guangdong Gaojing Solar Energy Technology is a solar energy technology.

Portfolio highlights

• YourTrade — YourTrade helps cross-border e-commerce companies to resale rejected goods and backlogged inventory from overseas sales through local sales channels.It also provides services such as collection and inspection of returned items, as well as resale through local sales channels.
• UMAMI UNITED — Umami United is a plant-based food brand with unique focus on Japanese food technologies and traditional ingredients to make delicious and healthy food to unite people at one table. The wide lineups are designed to be vegan-friendly, buddhist friendly, and halal friendly for all.
• Friend Microbe — Friend Mike Robe is Developing new market with microbe-related technology

Portfolio highlights

• BABY JOB — BABY JOB offers nursery support and child care support businesses.
• SOUNDRAW — Your personal AI music generator.
• Startbahn — Startbahn aims to realize a richer society by providing the technology needed by artists and people involved with art all over the world. We are developing Startbahn Cert., a service that issues blockchain certificates for artworks, and promoting the development of Startrail, a blockchain infrastructure that is the basis for Startbahn Cert. We alsorun joint projects with other companies.

Portfolio highlights

• Haiyunan — Haiyunan is a service-oriented enterprise, focusing on building a mobile application security brand.
• GeneRulor — GeneRulor is a biomedical company that offers molecular diagnostics and gene editing technology services for viral infections and related tumor diseases.
• Bostal Drug Delivery — Bostal Drug Delivery develops and manufactures drug preparation products for new drug delivery systems. The company provides pharmaceutical preparation technology platforms to develop innovative drugs, improve new drugs, and high-end generic drugs. It also offers preparation products technical development services for pharmaceutical companies.Thecompany was founded in 2013 and is headquartered in Guangzhou, Guangdong.

Portfolio highlights

• Cozre — Cozre the outing and the lessons of the babies and children, to solve the problem of child-rearing.
• Aldagram — Aldagram is a provider of construction management app for the construction and construction industry.
• Inter Local Partners — Inter Local Partners is a Reconstruction and Agricultural Training Center Project” started in 2013 and creating agricultural projects and building regional networks focusing on “people” who will lead the future of Japanese agriculture

Portfolio highlights

• Gokin Solar — Guangdong Gaojing Solar Energy Technology is a solar energy technology.

Portfolio highlights

• Tané — Crypto builders incubator. Nurture the soil for Web3.
• Thirdverse — Thirdverse (formerly known as Yomuneco Inc) is engaged in Virtual Reality content and services planning, development, sales and management.
• microverse — Microverse offers NFT-related services such as content creation, distribution, and customer service.

Portfolio highlights

• Amex Smart — Amex Smart focuses on providing artificial intelligence-based transportation products and intelligent transportation service solutions.
• Orient — Orient belongs to the manufacturer of optoelectronic sub-devices, display devices and components, as well as other electronic devices.
• JingXi ZhiXing — Jingxi Zhixing is a supplier of vehicle chassis suspension and brake systems.

Portfolio highlights

• Sagri — Sagri is developing agriculture software for experienced farmers.
• BABY JOB — BABY JOB offers nursery support and child care support businesses.
• On The Slope — On the way to Sakano deliver vegetables grown without the use of pesticides and chemical fertilizers, aiming to spread agriculture with low environmental impact. We want to make agriculture sustainable and reach a sustainable society.

Portfolio highlights

• GIRASOL ENERGY — Girasol Energy is an IoT Platform provides innovative PLC technologies that enable wiser PV Plants.
• Pixie Dust Technologies — Pixie Dust Technologies is a developer of computational technologies, including its ultrasonic phased array system with which one can generate force in mid-air; transport things in mid-air without touching anything; target and deliver different sounds from person to person in a crowd; direct guide-dogs; and even apply this in agricultural farming.
• Space Power Technologies — Space Power Technologies (SPT) was founded in 2019 as Japan's first start-up for “Spatial Transmission Wireless Power Transmission (WPT)”. We will harmonize elemental technologies cultivated through academics with people and society, and solve social issues related to power supply.

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.

Portfolio highlights

• Bytebeam — Accelerate your IoT initiatives with Bytebeam - our platform makes it 10X simpler and quicker to build cutting-edge smart products
• Showroom B2B — SHOWROOM B2B is building the largest B2B “Phygital” platform for India’s $108 Bn fashion industry by connecting Tier 2+ clothing retailers directly with small to mid-scale apparel manufacturers and providing all parties with solutions for distribution, credit, logistics, and marketing.Showroom works on “Touch & Feel” mode of selling where itsunique distribution model ensures that there is almost NO RETURN of products sold. It creates Experience Centres for its retailers which gives them the confidence to buy without any iota of doubt about product quality.Showroom's offerings = Better Margins for Clothing Retailers + Aggressive Growth for Clothing Manufacturers
• Testsigma — Powerful open source test automation platform that lets you automate tests for web, mobile, desktop apps, and APIs in minutes. Sign up for free today.

Portfolio highlights

• Sensview — Sensview specializes in the development and production of solid-state imaging chips and detector modules.
• Bio-Engine — Bio-Engine is a developer of high-density serum-free suspension culture technology for animal cells. Its main products include HEK293 cell serum-free medium, PK15 cell serum-free medium, etc., which can be applied to antibodies, recombinant proteins, human and livestock. Virus vaccine, cell therapy and other fields.
• Zilixir Biotech — Zilixir Biotech develops a new protein design technology that offers possibilities for human exploration of the complex life sciences. SWORD™ protein design technology integrates binding pockets, new drug skeleton design, activity prediction, ADME/T prediction, etc., and has had some achievements in these areas, fully demonstrating theeffectiveness of protein design.

Portfolio highlights

• Trende — TRENDE is an online renewable energy retailer selling electricity to residential customers in Japan via its Ashita Denki (https://ashita-denki.jp/) and Hot Denki (https://hotdenki.jp) service websites. TRENDE expects its Ashita Denki and Hot Denki services to accelerate the widespread adoption of solar power in Japan. Atwhich point, the company aims to leverage blockchain technology to create a peer-to-peer (P2P) marketplace for producers and consumers of renewable energy. Investors include Tokyo Electric Power, Itochu, Idemitsu Showa Shell and Dubai Electricity and Water Authority (DEWA). The company is led by serial entrepreneurs, Jeffrey Char and Tadatoshi Senoo and takes an environmentally responsible approach to provide consumers with clean and affordable energy. For more information, please visit http://trende.jp/.

Portfolio highlights

• ExtraBold — ExtraBold specializes in the development of 3D printers.
• Ken Robotec — Ken Robotec is a construction company that provides labor-saving solutions.
• ProfilePrint — ProfilePrint synthesises complex molecular data of ingredient samples into digital fingerprints, rapidly predicting its identity and quality, helping agribusinesses to buy and sell better with its patented digital food identity-as-a-service (IDaaS) technology.

Portfolio highlights

• Gokin Solar — Guangdong Gaojing Solar Energy Technology is a solar energy technology.

Portfolio highlights

• Gokin Solar — Guangdong Gaojing Solar Energy Technology is a solar energy technology.

Portfolio highlights

• LexxPluss — LexxPluss develops an automatic transfer software system and robot hardware.
• Cellusion — Cellular technology breakthrough for clear vision of the future.
• Kyoto Fusioneering — Kyoto Fusioneering is a research & development, design, and manufacture of parts related to fusion reactors.

Portfolio highlights

• ProfilePrint — ProfilePrint synthesises complex molecular data of ingredient samples into digital fingerprints, rapidly predicting its identity and quality, helping agribusinesses to buy and sell better with its patented digital food identity-as-a-service (IDaaS) technology.
• Integriculture — Integriculture makes cellular agriculture products to improve sustainability, food security, and reduce public health problems. The company offers a developed patented general-purpose large-scale cell culture system that can culture wide range of cells without external addition of expensive growth factors and provide consumers with affordable cleanmeat.Founded in 2015, Integriculture is headquartered in Tokyo, Japan.
• Sentient.io — We provide a secure AI & Data platform with ready-made AI models for easy adoption and turnkey AI solutions for Enterprises on your digitalisation journey.

Portfolio highlights

• LePure Biotech — Lechun Biology is an enterprise engaged in disposable products and leak detection equipment in the biotechnology and pharmaceutical industries. The company develops and produces disposable biopharmaceutical process equipment and consumables. The products are used for the storage, transportation, filling and leak detection of various samples inbiosimilars, vaccines and other biopharmaceutical processes. The core product is a disposable storage bag. Recently completed B+ round of financing. This round of financing will be mainly used for the development of a number of innovative new products, the establishment of a US R&D center, the integration of the upstream industrial chain, the securing of the supply chain, and the expansion of the R&D market operation team at home and abroad.
• Yanming Biology — Pyrotech pharmaceuticals is a biotechnology company that focuses om development for drugs for the treatment of inflammation and tumors.
• Zhaohuang New Energy — Zhaohuang New Energy manufactures metal lithium anode products that are used in the used in the fields of next-generation solid-state lithium batteries, lithium-sulfur batteries, and lithium-air batteries.

Portfolio highlights

• ThinkCyte — ThinkCyte provides single-cell analysis for research, diagnostics, and therapeutics with an integrated multidisciplinary approach.
• Tsubame BHB — Tsubame BHB is a Sales company
• 3D Printing Corporation — 3D Printing Corporation provides 3D printing technology solutions.

Portfolio highlights

• EX-Fusion — EX-Fusion develops the first commercial laser based nuclear fusion reactor for power generation.
• YourTrade — YourTrade helps cross-border e-commerce companies to resale rejected goods and backlogged inventory from overseas sales through local sales channels.It also provides services such as collection and inspection of returned items, as well as resale through local sales channels.
• Carnot — LLM, Autonomous Agent

Portfolio highlights

• ULUU — ULUU is an exciting new renewable biomaterial that's incredible for our oceans and climate. ULUU is made from renewable resource, farmed seaweed!
• Funderbeam — Funderbeam is a funding and trading platform that connects companies and investors to buy and sell equity stakes. The platform allows the founders to gain exposure, legal support, a funding manager, or an investor network. It also allows the investors to take control of their investments and trade anytime they want.The company was founded in 2013as a global data platform for startup companies.
• Craft Health — Craft Health aims to combine all your daily medicines and supplements into a single daily pill, through 3D printing of personalized medicines and supplements. Our technology allows controlled release of each active ingredient as selected by the user.

Portfolio highlights

• Thyas — Thyas Co. Ltd. provides preparations of regenerative immunocell therapy for cancer and infection.
• Regional Fish — Regional Fish provides seed, seedlings, aquaculture methods and fisheries services.
• Space Power Technologies — Space Power Technologies (SPT) was founded in 2019 as Japan's first start-up for “Spatial Transmission Wireless Power Transmission (WPT)”. We will harmonize elemental technologies cultivated through academics with people and society, and solve social issues related to power supply.

Portfolio highlights

• Infinimos — Infinimos is a Cosmos ecological liquid staking derivatives platform that aims to build a decentralized and democratized ecosystem capable of maximizing staking rewards while retaining liquidity.
• Xbotspace — Xbotspace is the generative AI middleware startup investigates the implementation and deployment of huge language models.
• Biotyx Medical — Biotyx Medical manufactures and sells iron-based biodegradable vascular materials and stents.

Portfolio highlights

• Captura — Captura mission is globally scalable carbon capture to support a sustainable future for the climate.
• Toletta Cats — Toletta Cats is a healthcare approved by cat lovers company they aim to create a world in which we all live longer and happier with our beloved cats around us. Simple, safe and easy to use at home,in a Japanese cat-friendly way.
• The Fabric — We are a Silicon Valley based pre-Series A startup foundry and accelerator founded by a team of highly experienced serial entrepreneurs. We work with passionate, early-stage entrepreneurs as well as venture capitalist firms focused on the cloud/IoT infrastructure space through the entire lifecycle of idea creation through company building.

Portfolio highlights

• EBRU — EBRU is a manufacturer and seller of earphones and ear monitor audio products that include custom artwork on the products.
• Meiten Kan — Meiten Kan engages in the food delivery service industry.
• Human Potential Lab — Human Potential Lab is a company that supports individual skills development and corporate organizational change. Focusing on mental health and well-being, the company's programs are based on brain science, bioscience, psychology, and technology.

Portfolio highlights

• Vital Thin Film Materials — Pioneer Thin Film Materials Co., Ltd. is a subsidiary of Pioneer Group, dedicated to R&D, production, sales and recycling of sputtering targets and evaporation materials for vacuum coating. The product series includes targets, ingots, granules and powders made of high-purity metals, alloys, precious metals and ceramic materials, which arewidely used in display, photovoltaic, semiconductor, precision optics, data storage and glass and other fields.
• Gokin Solar — Guangdong Gaojing Solar Energy Technology is a solar energy technology.