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Qubitcore

Yokohama, JP · Founded 2024 · 9 employees on LinkedIn · 4 known investors

Find your way into Qubitcore

265 people in our graph share verified history with the Qubitcore team — schools, employers, funds. One of them is your warm intro.

Mariaunlockedknows Shaobo Gao · together at University of Oxford (overlapped)
×10knows the team · via University of Oxford
knows the team · via Yokohama National University

Qubitcore develops fault-tolerant universal quantum computers using proprietary ion trap technology integrated with optical microcavities to build scalable quantum processor networks connected via optical links. The company, based on research from the Okinawa Institute of Science and Technology (OIST), focuses on distributed ion-trap quantum computing systems.

Deep TechHardwareQuantum Computing

Founders & leadership

Qubitcore was founded in 2024 by Ryuta Watanuki, Hiroki Takahashi, Ezra Kassa, Shaobo Gao, and Koichiro Miyanishi.

RWRyuta Watanuki
Ryuta WatanukiinFounder & CEORyuta Watanuki is founder and CEO of Qubitcore, a quantum computing company in Japan developing fault-tolerant systems based on trapped-ion technology originating from research at the Okinawa Institute of Science and Technology.
HTHiroki Takahashi
Hiroki TakahashiCo-Founder & CSO
EKEzra Kassa
Ezra KassaCo-Founder & Principal Researcher
SGShaobo Gao
Shaobo GaoinCo-Founder & Principal ResearcherShaobo Gao holds a PhD in physics from Oxford University with research spanning quantum computing theory and experiments, including work on atomic ensembles and trapped-ion systems and light-matter interactions. As co-founder and principal researcher at Qubitcore, he focuses on ion-trap quantum processor architecture and quantum-photonic interconnection technologies.
KMKoichiro Miyanishi
Koichiro MiyanishiinCo-Founder & Principal Researcher

Investors · 4

Abies VenturesTokyo
Canal VenturesTokyo
Lifetime VenturesOkinawa
SBI InvestmentreportedTokyo · $2M – $227M

Funding

SEC filings, press & company announcements
  • Undisclosed amountPre-SeedJul 2025 · 4 sources
    Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

In the news

Japanese Quantum Startup Qubitcore Raises ¥1.53 Billion - Blackboxblackboxjp.com · May 2026Qubitcore raises $9.6M to advance ion-trap quantum computingevertiq.com · May 2026OIST Spin-Out Qubitcore Raises JPY 1.53B for Ion-Trap Quantum Computing - The Columbus Dispatchdispatch.com · Apr 2026Qubitcore Raises Pre‑Seed Fundingfinsmes.com · Jul 2025Qubitcore Raises Pre-Seed Funding for Domestically Developed Ion Trap Quantum Computer with Distributed Architecture - Quantum Computing Reportquantumcomputingreport.com · Jul 2025Qubitcore, an OIST Spin‑Out, Raises Pre‑Seed Funding to Advance Japan’s Ion‑Trap Quantum Computersthequantuminsider.com · Jul 2025Qubitcore Completes Pre-Seed Funding to Accelerate Domestic Distributed Quantum Computers – BRIDGEthebridge.jp · Jul 2025

Frequently asked questions

What does Qubitcore do?
Qubitcore develops fault-tolerant universal quantum computers using proprietary ion trap technology integrated with optical microcavities to build scalable quantum processor networks connected via optical links. The company, based on research from the Okinawa Institute of Science and Technology (OIST), focuses on distributed ion-trap quantum computing systems.
Who founded Qubitcore?
Qubitcore was founded by Ryuta Watanuki, Hiroki Takahashi, Ezra Kassa, Shaobo Gao, Koichiro Miyanishi in 2024.
Who are Qubitcore's investors?
Qubitcore's investors include Abies Ventures, Canal Ventures, Lifetime Ventures, SBI Investment.
Where is Qubitcore headquartered?
Qubitcore is headquartered in Yokohama, JP.