{"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,"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":"QPU","value":"IBM Eagle 127-qubit"},{"label":"Partners","value":"University of Tokyo"},{"label":"Clients","value":"Toyota, Sony, Hitachi, JSR, Mitsubishi Chemical"},{"label":"Operator","value":"University of Tokyo (facility hosted in an IBM-operated room at KBIC) under the IBM-UTokyo partnership"},{"label":"Commissioned","value":"July 27, 2021; second IBM Quantum System One installed outside the United States (after Ehningen, Germany)"},{"label":"Original QPU","value":"27-qubit Falcon r5.11 processor at launch (Quantum Volume 32)"},{"label":"2023 upgrade","value":"Swapped to 127-qubit IBM Eagle processor"},{"label":"2025 upgrade","value":"University of Tokyo announced May 15, 2025 upgrade to 156-qubit IBM Heron R2 processor (tunable-coupler, ~3-4x lower 2-qubit error, ~60% higher CLOPS vs prior Heron)"},{"label":"Consortium","value":"Quantum Innovation Initiative Consortium (QIIC): UTokyo, Keio, Toshiba, Hitachi, Mizuho, MUFG, JSR, DIC, Toyota, Mitsubishi Chemical, Sony, Sumitomo Mitsui Trust, Yokogawa, IBM Japan; SoftBank joined 2023"},{"label":"HPC integration","value":"Planned low-latency link to the Miyabi supercomputer operated by UTokyo and University of Tsukuba via JCAHPC, for quantum-centric supercomputing workloads"},{"label":"Host site","value":"Kawasaki Business Incubation Center in the Shin-Kawasaki Sozo no Mori industry-academia zone (adjacent to the NANOBIC nanotechnology facility)"},{"label":"Cooling","value":"Dilution refrigerator (He-3/He-4), operating stage ~15 mK inside the IBM cryostat"}],"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":"2026-08-25T23:41:05.279Z","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"}}}