About
Jij Inc. is a Japanese quantum computing company focused on quantum annealing. It develops the open-source software OpenJij for solving Ising Model and QUBO (Quadratic Unconstrained Binary Optimization) problems, and provides quantum annealing algorithms and tools that help enterprises apply quantum optimization to logistics, scheduling, and combinatorial optimization. The company connects academic quantum annealing research with practical industrial use in the Japanese market. Through 2025, Jij continued to develop its quantum software platform and developer tools, with a focus on improving algorithm efficiency and expanding use cases. Engagement with the quantum developer community drives much of its product direction. Update 2026-06-10: Marcelin Gallezot, formerly of JoS Quantum, has joined JIJ Inc. as Quantum Market & Business Development Engineer. Source: https://quantumzeitgeist.com/jos-quantum-alum-gallezot-joins/
Quantum Specifications
| Quantum Focus | software |