---
title: "RIKEN Scales Quantum-Supercomputing in Japan with Quantinuum System Upgrade"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/282908514.md"
description: "Quantinuum has upgraded RIKEN's Reimei-Fugaku hybrid quantum-supercomputer platform with its H2 quantum computer, enhancing capabilities in pharmaceutical and materials science research. The new 56-qubit system aims to improve accuracy and efficiency in complex simulations, building on the success of the previous H1 model. This collaboration reflects ongoing advancements in quantum-HPC hybrid infrastructure in Japan, with expectations for significant scientific breakthroughs."
datetime: "2026-04-15T23:01:07.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/282908514.md)
  - [en](https://longbridge.com/en/news/282908514.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/282908514.md)
---

# RIKEN Scales Quantum-Supercomputing in Japan with Quantinuum System Upgrade

Quantinuum revealed their H2 quantum computer's role in advancing pharmaceutical and materials science research via the Reimei-Fugaku hybrid compute platform in Tokyo on April 15, 2026. This significant development by the top quantum computing company will enhance the accuracy and scope of research efforts. This collaboration involves RIKEN, a renowned research institution in Japan, marking a substantial step towards scientific innovation. The advanced technology aims to revolutionize the field by leveraging the immense computing power of the H2 quantum computer.

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