{"id":"b454db08-5a74-49cd-917d-a25d022166a4","slug":"ibm-quantum-system-one-kawasaki-japan","name":"IBM Quantum System One Kawasaki Japan","aliases":["IBM Quantum System One at KBIC","UTokyo IBM Quantum System One","Kawasaki Quantum System One","IBM Shin-Kawasaki Quantum Facility"],"locationId":"e28eb139-9393-43ee-ac1f-238ff6862db1","lat":35.5308,"lng":139.7029,"locationPrecision":"city","landStatus":"leased","lifecycleState":"energized","powerSourceMix":"grid","interconnectionQueueStatus":null,"interconnectionQueueId":null,"expectedEnergizationDate":null,"dedicatedSubstation":null,"gridOperator":"other","waterSourceNotes":"No process water cooling disclosed. Quantum System One uses a closed-cycle dilution refrigerator with a helium-3/helium-4 mixture to hold the superconducting QPU near 15 mK; heat rejection is via the KBIC building's HVAC.","servingUtility":"TEPCO (Tokyo Electric Power)","acreage":null,"totalBuildingSqft":null,"streetAddress":"Kawasaki, Kanagawa, Japan","notes":"Japan's first gate-model commercial quantum computer, unveiled July 27, 2021 at the Kawasaki Business Incubation Center (KBIC) in the Shin-Kawasaki Sozo no Mori zone. It is the second IBM Quantum System One deployed outside the United States (Ehningen, Germany was first) and is operated under the IBM-University of Tokyo partnership on behalf of the Quantum Innovation Initiative Consortium, whose members include Toyota, Sony, Hitachi, Toshiba, Mitsubishi Chemical, JSR, DIC, Mizuho, MUFG, Sumitomo Mitsui Trust, Yokogawa, Keio University and (since 2023) SoftBank. The QPU has been upgraded from the original 27-qubit Falcon (Quantum Volume 32) to a 127-qubit Eagle, and in May 2025 UTokyo announced a further upgrade to the 156-qubit IBM Heron R2 processor plus a low-latency link to the Miyabi supercomputer at JCAHPC for quantum-centric supercomputing.","keyFacts":[{"label":"Significance","value":"Japan's first commercial quantum computer (Jul 2021)"},{"label":"Commissioned","value":"July 27, 2021; second System One outside the US"},{"label":"Operator","value":"University of Tokyo, in an IBM-run room at KBIC"},{"label":"Host site","value":"Kawasaki Business Incubation Center, Shin-Kawasaki"},{"label":"Processor history","value":"27-qubit Falcon (2021); 127-qubit Eagle (2023); 156-qubit Heron R2 (May 2025)"},{"label":"Consortium","value":"Quantum Innovation Initiative Consortium, including Toyota, Sony, Hitachi and others"},{"label":"HPC integration","value":"Planned link to the Miyabi supercomputer"},{"label":"Cooling","value":"Dilution refrigerator at about 15 mK"}],"reviewStatus":"reviewed","sources":[{"url":"https://www.ibm.com/quantum/blog/japan-quantum-system-one","name":"IBM Quantum Blog","title":"IBM Quantum System One Launches in Japan"},{"url":"https://newsroom.ibm.com/2021-07-27-IBM-Launches-Its-First-Quantum-System-One-in-Japan","name":"IBM Newsroom","title":"IBM Launches Its First Quantum System One in Japan"},{"url":"https://newsroom.ibm.com/2025-05-15-the-university-of-tokyo-to-equip-ibm-quantum-system-one-with-most-performant-ibm-heron-processor","title":"University of Tokyo to equip IBM Quantum System One with Heron processor","sourceName":"IBM Newsroom"},{"url":"https://www.hpcwire.com/2021/07/27/ibm-and-university-of-tokyo-roll-out-quantum-system-one-in-japan/","title":"IBM and University of Tokyo Roll Out Quantum System One in Japan","sourceName":"HPCwire"},{"url":"https://thequantuminsider.com/2021/07/27/ibm-unveils-japans-first-commercial-quantum-computer/","title":"IBM Unveiling Japan's First Commercial Quantum Computer","sourceName":"The Quantum Insider"},{"url":"https://quantumcomputingreport.com/ibm-installs-a-quantum-system-one-in-japan/","title":"IBM Installs a Quantum System One in Japan (Shin-Kawasaki / NANOBIC)","sourceName":"Quantum Computing Report"},{"url":"https://newsroom.ibm.com/2020-07-30-IBM-and-the-University-of-Tokyo-Unveil-the-Quantum-Innovation-Initiative-Consortium-to-Accelerate-Japans-Quantum-Research-and-Development-Leadership","title":"IBM and University of Tokyo unveil the Quantum Innovation Initiative Consortium","sourceName":"IBM Newsroom"},{"url":"https://thequantuminsider.com/2023/09/21/softbank-joins-utokyos-quantum-innovation-initiative-consortium/","title":"SoftBank Joins UTokyo's Quantum Innovation Initiative Consortium","sourceName":"The Quantum Insider"},{"url":"https://sj.jst.go.jp/news/202110/n1020-01k.html","title":"State-of-the-art IBM Quantum System One computing system established in Japan","sourceName":"Science Japan (JST)"},{"url":"https://itl.adm.u-tokyo.ac.jp/en/qhtc.html","title":"The University of Tokyo IBM Quantum Hardware Test Center","sourceName":"UTokyo IBM Lab"}],"reviewNote":null,"createdAt":"2026-08-25T17:25:45.389Z","updatedAt":"2026-10-12T23:59:42.145Z","location":{"id":"e28eb139-9393-43ee-ac1f-238ff6862db1","name":"Kawasaki, Kanagawa, Japan","slug":"kawasaki-kanagawa-japan","kind":"city","parentLocationId":null,"region":null,"lat":35.5308,"lng":139.7029,"reviewStatus":"unreviewed","aliases":[],"collisionRisk":"high","reviewNote":null,"createdAt":"2026-08-25T17:25:44.994Z","updatedAt":"2026-08-25T17:25:44.994Z"},"parties":[{"id":"43454eb3-b5ce-4d50-9407-92eb9c475ad4","dataCenterId":"b454db08-5a74-49cd-917d-a25d022166a4","companyId":"647d6872-ee53-4603-81c7-4b50026c26d8","externalName":null,"role":"operator","structureNotes":null,"createdAt":"2026-08-25T17:25:46.208Z","company":{"id":"647d6872-ee53-4603-81c7-4b50026c26d8","name":"IBM","slug":"ibm"}}],"capacityClaims":[],"financialClaims":[],"metricClaims":[],"powerProjects":[],"facilities":[],"incidents":[],"events":[],"capacity_picture":{"announced_gw":null,"contracted_gw":null,"under_construction_gw":null,"energized_gw":null,"announced_minus_energized_gw":null,"by_series":{"announced":null,"contracted":null,"under_construction":null,"energized":null}},"jsonLd":{"@context":"https://schema.org","@type":"Place","name":"IBM Quantum System One Kawasaki Japan","url":"https://registry.deploy.report/datacenters/ibm-quantum-system-one-kawasaki-japan","geo":{"@type":"GeoCoordinates","latitude":35.5308,"longitude":139.7029},"address":{"@type":"PostalAddress","addressLocality":"Kawasaki, Kanagawa, Japan"}}}