Best Energy Tech Companies in Tokyo, Japan
The 67 best Energy Tech companies in Tokyo, Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: JOLED.
Our analysis of 287 Energy Tech companies
$109.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Tokyo
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | JOLED Developer of OLED-based display panels including printed OLED, oxide TFT displays, and flexible displays | $1.4B | 72 mo ago | 590 | Yoshimasa Ishibashi CEO | — | — | 1,551 patents Patents concentrated in computing, sensing & instrumentation | — |
| 2 | SkyDrive Developer of electric vertical takeoff and landing aircraft for urban mobility | $117M | 11 mo ago | — | Tomohiro Fukuzawa Founder & CEO | WordPressMySQLPHP+27 | Top 5M | 5 patents Foldable multi‑rotor UAVs with rotor‑folding mechanisms and onboard health monitoring | — |
| 3 | PowerX Manufacturer of stationary battery storage systems and related energy services | $91M | 15 mo ago | 47 | Masahiro Ito Founder & CEO | Cart FunctionalityContentfulTurbopack+23 | Top 5M | 41 patents Marine power transmission systems and moving-body energy generation technologies | 1 expansion |
| 4 | Luup App-based platform form electric kick scooters | $88M | 20 mo ago | 37 | Ryotaro Makita Chief Product Officer / Chief Operating Officer / Co-founder | WordPressMySQLPHP+22 | Top 500k | 4 patents Patents concentrated in computing, sensing & instrumentation | — |
| 5 | APB Manufacturer of lithium batteries | $74M | 66 mo ago | 20 | — | — | — | 170 patents Lithium‑ion battery electrode materials and manufacturing processes/equipment. | — |
| 6 | Enax Lithium-ion battery manufacturers for industrial use | $41M | 190 mo ago | 90 | Masaki Saikusa CEO | NginxjQueryMicrosoft 365+2 | Top 10M | 68 patents Advanced secondary battery technologies for aerospace, automotive, and portable energy storage | — |
| 7 | Terra Motors Manufacturer of multiple categories of electric vehicles | $28M | 35 mo ago | 200 | Toru Tokushige Founder | WordPressMySQLPHP+19 | Top 10M | — | — |
| 8 | Aerial Lab Industries Developer of mobility solutions including robotics, AI, and drone technologies | $21M | 78 mo ago | 11 | Shohei Komatsu CEO & CTO | — | — | — | — |
| 9 | I-Grid Provider of GX solutions, energy trading, and renewable energy platforms | $21M | 34 mo ago | 100 | Tomokazu Akita CEO | WordPressMySQLPHP+21 | Top 1M | 12 patents Quantum machine learning algorithms and cost-function generation for hybrid quantum-classical computing | — |
| 10 | Panair Provider of cloud-based solutions for power distribution companies | $18M | 96 mo ago | — | Tatsuhiko Nagoshi Co-Founder & CEO | — | — | — | — |
| 11 | PLUGO Cloud-based EV charging solutions | $14M | 22 mo ago | 13 | Naoki Okawa Founder & CEO | WordPressMySQLPHP+20 | Top 5M | 4 patents Electric vehicle charging network management, reservation, and payment prediction platform | — |
| 12 | Digital Grid Provider of transmission and distribution management solutions | $12M | 79 mo ago | 47 | Rikiya Abe CEO | Apple iCloud MailGoogle WorkspaceNode.js+19 | Top 5M | — | — |
| 13 | Sensyn Robotics Provider of drone hub, related control software, and inspection solutions | $11M | 71 mo ago | 121 | Takuya Kitamura CEO | HubSpot CMS HubApple iCloud MailGoogle Workspace+15 | Top 10M | 35 patents Autonomous underwater robot control and sensor data processing for navigation and analysis | — |
| 14 | ELIIY Power Lithium based battery systems and ESS provider | $7M | 168 mo ago | 312 | Hiroichi Yoshida CEO | RubyBootstrapRuby on Rails+18 | Top 5M | 227 patents Lithium‑ion battery electrode materials and advanced state‑of‑health/charging estimation systems | — |
| 15 | SPACECOOL Manufacturer of optical film | $6M | 17 mo ago | 20 | — | WordPressMySQLPHP+22 | Top 5M | — | — |
| 16 | Tetra Aviation Developer of e-VTOL aircraft | $5M | 48 mo ago | 14 | Kei Nakai CEO | Cart FunctionalityStrikinglyNginx+16 | Top 50M | 6 patents Design and integration of aircraft rotor blade modules and airframe structures | — |
| 17 | Girasol Energy Provider of AI and cloud-based monitoring solutions for photovoltaic plants | $5M | 13 mo ago | 8 | Li Min CEO | STUDIOFirebaseNode.js+11 | Top 50M | — | — |
| 18 | Tensor Energy AI-driven platform offering portfolio management solutions for renewable energy operators | $4M | 2 mo ago | 9 | Vincent Filter Founder | SentryApple iCloud MailMicrosoft 365+9 | Top 10M | — | — |
| 19 | Striemo Manufacturer of electric kick scooters | $3M | 18 mo ago | 6 | Yotaro Mori Co-Founder & CEO | STUDIOFirebaseNode.js+16 | Top 10M | 17 patents Stability and chassis design for three‑wheeled electric scooters and light vehicles | — |
| 20 | I & C Cruise Offers customer acquisition services and among other businesses | $2M | 135 mo ago | 80 | Ryosuke Imai CEO & President | OpenSSLApache HTTP ServerAmazon Web Services+7 | Top 50M | — | — |
| 21 | Novars Provider of IoT based business consulting and services | $1M | 117 mo ago | — | Okabe Yoshihiro CEO | WordPressMySQLPHP+21 | Top 50M | 43 patents Battery management and wireless monitoring systems for portable power supply devices | — |
| 22 | RECEPTIONIST SaaS-driven visitor management and reception system for organizations | $1M | 99 mo ago | — | Mariko Hashimoto CEO | WordPressMySQLPHP+27 | Top 5M | — | 1 job opening |
| 23 | Habitat Offers visitor management solutions | $881K | 54 mo ago | — | Kawasaki Wataru Co-Founder | — | — | — | — |
| 24 | AirKamuy VTOL aircraft developers | $702K | 14 mo ago | — | Takumi Yamaguchi Co-Founder & CEO | WordPress Block EditorWordPressApple iCloud Mail+20 | Top 5M | — | — |
| 25 | AC Biode Developer of chemical and electronic technologies for plastic waste and energy | $172K | 21 mo ago | 5 | Tadashi Kubo CEO | — | — | 4 patents Synthetic mineral synthesis processes for industrial and agricultural applications | — |
Top 12 Energy Tech companies in Tokyo
#1
Series C · Shinjuku City, Tokyo · founded 2018$117.5Mraised▾
Developer of electric vertical takeoff and landing aircraft for urban mobility. The company focuses on creating quiet, lightweight, and low-emission aircraft suitable for use in urban environments. Its aircraft require no runway and allow vertical takeoff and landing in small spaces. The company is working toward receiving type certification for its aircraft.
- Jul 2025Series C$57.4M
- Aug 2024Series C—
- Jan 2024Series C—
- Oct 2023Grant (prize money)—
#2
Series A · Chiyoda City, Tokyo · founded 2021 · 9 employees$3.6Mraised▾
AI-driven platform offering portfolio management solutions for renewable energy operators. It allows users to manage multiple distributed power plants, forecast solar & wind power generation, coordinate power trading, and more.
- Apr 2026Series A$6M
- Mar 2024Seed$3M
- Mar 2022Seed$605.6K
#3
Public · Minato, Tokyo · founded 2021 · 47 employees$91.1Mraised▾
Manufacturer of stationary battery storage systems and related energy services. The company provides large-scale stationary battery solutions and related services. These offerings include battery storage systems, energy services, and charging solutions. The company is also involved in energy-related projects. It develops and deploys grid-connected energy storage solutions for power companies, real estate developers, and logistics firms.
- Mar 2025Series C$21.4M
- Sep 2024Series C$17.3M
- Jan 2024Conventional Debt$64.1M
- Jul 2023Series B$13.3M
#4
Series C · Shibuya, Tokyo · founded 2018 · 37 employees$87.9Mraised▾
App-based platform for electric kick scooters. Through the app, users can find and book electric kick scooters. Also, they can navigate to the nearby bike stations to get the scooters. Users can unlock the scooters by scanning the QR code. It offers station-based service users have to leave the scooter at the nearby docks at the end of the ride.
- Oct 2024Conventional Debt$20M
- Apr 2023Conventional Debt$5.2M
- Apr 2023Series C$28.3M
- Apr 2022Series B—
#5
Series B · Bunkyo, Tokyo · founded 2017 · 8 employees$4.6Mraised▾
Provider of AI and cloud-based monitoring solutions for photovoltaic plants. It provides a PPLC sensor that collects data from panels and a PPLC gateway that communicates with the PPLC cloud. The PPLC cloud automatically located abnormal behavior using an AI engine.
- Apr 2025Series B$9M
- Mar 2024Series B—
- Aug 2021Series A$4.6M
#6
Series A · Minato City, Tokyo · founded 2021 · 20 employees$5.7Mraised▾
Manufacturer of optical film
- Jan 2025Series A$5.7M
#7
Seed · Shinagawa, Tokyo · founded 2018 · 13 employees$14.1Mraised▾
Cloud-based EV charging solutions. It offers an EV charging station and charging products for electric vehicles.
- Aug 2024Seed$14.1M
#8
Late Stage · Tokyo, Tokyo · founded 2015 · 590 employees$1.4Braised▾
Developer of OLED-based display panels including printed OLED, oxide TFT displays, and flexible displays. Offerings include display panels developed using technologies such as printed OLED, oxide TFT technology (TAOS), and flexible displays. The displays are claimed to have multiple features such as they are foldable, unbreakable, see-through, flexible, transparent, energy efficient, have better image quality and self-luminance, etc. Target markets include smartphones, wearable devices, medical equipment monitors, laptops, computers, etc.
- Jun 2020PE$280.6M
- Apr 2019PE$228.2M
- Aug 2018PE$425.6M
- Dec 2017PE$441.2M
#9
Series A · Fuchu, Tokyo · founded 2012 · 6 employees$3.3Mraised▾
Manufacturer of electric kick scooters. The company develops electric kick-scooters with features like lithium-ion batteries, and more for personal transportation which can be used for short-distance travel.
- Nov 2024Series A$3.3M
- Nov 2022Seed—
- 2022Seed—
#10
Seed · Tokyo, Tokyo · founded 2022$702.2Kraised▾
VTOL aircraft developers. It designs and manufactures electric aircraft with vertical take off and landing capabilities for applications such as logistics, search, and surveillance. It features wings that can fold mid-flight.
- Apr 2025Seed$702.2K
- Apr 2024Conventional Debt—
#11
Series C · Chiyoda City, Tokyo · founded 2010 · 200 employees$28Mraised▾
Manufacturer of multiple categories of electric vehicles. The company develops vehicles with features that includes lithium-ion batteries, LCD display, and more.
- Jun 2023Series C$28M
- Feb 2023Series C—
#12
Series B · Chiyoda City, Tokyo · founded 2004 · 100 employees$21Mraised▾
Provider of GX solutions, energy trading, and renewable energy platforms. They offer solutions to accelerate decarbonization for regions and businesses. The company provides a platform for circulating renewable energy. It also shares information through its original media regarding carbon neutrality.
- Aug 2023Series B$21M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Storage in Tokyo is moving
A read on the academic research around Energy Storage in Tokyo — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 140 papers.
- The University of Tokyo64
- Tokyo Institute of Technology26
- Tokyo University of Science21
- Tokyo University of Agriculture and Technology11
- Tokyo Denki University6
- Battery (electricity)2→6
- Electrode1→5
- Electrolyte3→6
- Electrochemistry1→4
- Anode2→4
- Renewable energy4→23
- Battery (electricity)2→20
- Photovoltaic system1→14
- Power (physics)1→11
- Grid1→11
- Battery (electricity)5
- Solar energy3
- Reuse3
- Renewable energy3
- Photovoltaic system2
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.