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Qubitcore

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

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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 WatanukiFounder & 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 GaoCo-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 MiyanishiCo-Founder & Principal Researcher

Investors · 4

Canal Ventureslisted by Canal VenturesTokyo

How we know: Canal Ventures's portfolio page · Not right? Tell us

Lifetime Ventureslisted by Lifetime VenturesOkinawa

How we know: Lifetime Ventures's portfolio page · funding news · Not right? Tell us

SBI InvestmentreportedTokyo

How we know: funding news · Not right? Tell us

Funding

SEC filings, press & company announcements
  • Undisclosed amountPre-SeedJul 2025 · 4 sources
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Source: company announcements and press reports — follow each round's link for the claim.

In the news

Qubitcore Raises Pre‑Seed Fundingfinsmes.com · 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.