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Quantinuum K.K. - Company Details

Quantinuum K.K.

Company Description

Quantinum is a global leader in quantum computing. Quantinuum was established in 2021 through the business combination of US-based Honeywell Quantum Solutions and UK-based Cambridge Quantum Computing. Its quantum computer systems achieve the highest performance across all industry benchmarks. Our 630+ employees, including over 370 scientists and engineers, based in the United States, the United Kingdom, Germany, and Japan, are driving the quantum computing revolution.

Our business is engaged in research and development (R&D), as well as collaborative and fundamental research related to quantum computer software and hardware. Our research areas are diverse, including quantum chemistry, quantum machine learning, combinatorial optimization, quantum natural language processing, and technologies related to the development and operation of quantum computers.

In September 2025, we successfully raised $ 600 million in funding.

Company Details

Head Office
United States  
Main Business
総合量子企業  
President
結解 秀哉  
Established
2019年1月7日  
Number of Employees
11 - 50  
URL
https://quantinuum.co.jp/  

Offices

Main Office
Otemachi Financial City Grand Cube 3F
1-9-2 Otemachi, Chiyoda-ku
Tokyo, Japan, 1000004

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