Japan is committing large public funds to quantum technologies, yet practical quantum computers still face major challenges. Drawing on Japan’s AI research history and current quantum policy, this piece examines the rationale for early investment and the importance of continuing funding without relying on excessive expectations.
Independent evaluation of 36 quantum industry companies across technology, business results, QEC, manufacturing capability, customers and revenue. The Autumn 2026 edition adds nine firms — including Quantum Machines, Bluefors, Qblox and Riverlane — and analyzes ranking shifts since the summer edition and changing competitive axes in the quantum industry.
The two companies have begun hardware validation of applying the STAR architecture to neutral‑atom quantum computers and of a cross‑platform cloud operations infrastructure.
Adds OqtopusClient to Amplify Quantum 1.3, enabling use of “System F” on ABCI‑Q from existing Amplify SDK code.
Qubit counts and funding alone don’t tell the whole story. Quantum Index’s editorial team gave independent 3–5 year outlooks for 29 leading domestic and international quantum-related companies, evaluating technical feasibility, distance to commercialization, revenue, customer base, and more.