Top 10 Oil and Gas Startup Investors in Japan (July 2026)

Portfolio highlights

• Akari Hosho — Akari Hosho provides a group of trusted professionals, including lawyers and judicial scriveners. Akari Hosho provides a guarantee service.
• Scohia Pharma — Scohia Pharma is a biotech venture that will have both substantial research and development resources and be nimble enough to make decisions quickly, will strive to improve patient quality of life by providing patients and healthcare professionals with new therapeutic medications for renal, metabolic.
• Monozukuri Business Succession Holdings (JMS) — Monozukuri Business Succession Holdings is a specialized corporate investment subsidiary. The platform modernizes mid-sized manufacturing firms facing generational leadership transitions. Strategic institutional banking partnerships protect public shareholder equity from dilution. After acquisition, the firm installs professional management andautomated factory systems. All operational yields consolidate into the parent organization to drive long-term growth.

Portfolio highlights

• Flosfia — FLOSFIA is a spin-off from a research of Kyoto University, specializing in film-formation by mist chemical vapor deposition (CVD). Making use of physical properties of gallium oxide (Ga2O3), FLOSFIA has devoted to development of low-loss power devices.
• Hacobell — Hacobell is a logistics company that offers services in freight servicing, dispatch, and delivery.
• Power Wave — Power Wave seeks a carbon-neutral world using wave technology for wireless power, tackling global warming and fuel depletion.

Portfolio highlights

• Issin — Issin manufactures bath mats that can measure weight and automatically record daily weight changes on your smartphone.
• RoboTruck — RoboTruck develops autonomous driving technologies for huge trucks, as well as practical applications.
• Leading Mark — Leading Mark, a rising human resources startup in Japan. Leading Mark is branching out into mid-career and international hiring. It currently has a one-man team in China working to bring the top Japanese-speaking Chinese students to domestic companies. He also touts his startup’s focus on the average job seeker. “We want to make sure that the usersget the info that he or she needs the most,” he says. Large scale, legacy players can sometimes prioritize the needs of the hiring company, and their commission, over the needs of applicants themselves. This leads to frustration and short-circuited careers.

Portfolio highlights

• CaTe —
• OOYOO — OOYOO Co., Ltd. is a DeepTech venture that combines international entrepreneurial spirit, and a 'Made In Japan' excellence, to bring the latest innovations in clean technology to society for a smarter, cleaner, and more mobile world.
• KG Motors — KG Motors is an automotive firm that manufactures electric vehicles that can be moved comfortably and safely by one person.

Portfolio highlights

• Nexta — Nexta manufactures site, issues such as analog management, personalization of operations & labor shortages are becoming more serious.
• OOYOO — OOYOO Co., Ltd. is a DeepTech venture that combines international entrepreneurial spirit, and a 'Made In Japan' excellence, to bring the latest innovations in clean technology to society for a smarter, cleaner, and more mobile world.
• Toregem BioPharma — Toregem BioPharma is a startup from Kyoto University that develops a treatment for congenital adentia. Toregem BioPharma is headquartered in Kyoto, Japan.

Portfolio highlights

• CaTe —
• FunPep — FunPep is an Industry-university collaboration bioventure company.
• Triorb — Triorb is a technology company that specializes in robot mobility development with the help of software and hardware solutions.

Portfolio highlights

• Jizai — Jizai is a provider of artificial intelligence technology, offering AI solutions, software-as-a-service products powered by AI, and robots that utilize AI capabilities for businesses across various industries. The company focuses on generative AI, large language models (LLMs), and robotics, offering customizable AI platforms and automation tools.It also engages in AI consulting and research collaborations.
• Amptalk — Amptalk is a software development firm specializing in operating automatic transcription and analysis of online business negotiations.
• Media Aid — Media Aid is an advertising agency that provides recruitment, marketing, web creation, and SNS management services

Portfolio highlights

• Enechain — enechain provides liquidity in Japan’s energy market by brokering OTC transactions of energy.
• Parallel — Parallel is the hangout app where you can enjoy games, videos, music, and more with friends.
• Holmes — Holmesis a cloud contract system to consistently carry out the creation, conclusion and management of contracts in the cloud.

Portfolio highlights

• Henry — Henry develops and provides a cloud-based electronic medical record and receipt system for small and medium-sized hospitals.
• Ruten — Ruten is a brain-machine interface company that specializes in reconstructive treatments for infeasible and ineffective conditions.
• Tokenz — Tokenz is your all-in-one platform for global digital payments, cross-border tax compliance, and seamless payouts.

Portfolio highlights

• Caguuu — Caguuu offers high-quality designer furniture at affordable prices, through e-commerce, eliminating middlemen and store operating costs.
• Diggle — DIGGLE is a service that provides fundamental management accounting management on the cloud called fraud management. It is possible to reduce the mistakes and man-hours of the fraud management task and easily carry out the fraud management task even if it is not an expert in finance or accounting.DIGGLE covers budget creation work and budgetrecord comparison work, especially in the foreman management work. In the budget creation work, the KPI and the budget are automatically created by inputting the target numerical value to the preset parameters utilizing the budget generator function, while the forecast contrasting work is made up of the financial information, non-financial information It is easy to calculate by simply entering the numerical value, and it is possible to carry out calculation of the forecast contrast.
• Instalimb — Instalimb is the world's first 3D printing prosthesis business.