Where could your technology contribute?

A QST-certified startup developing low-temperature refining of beryllium for fusion. It started full-scale construction of the BETA production-demonstration facility in October 2026. This is distinct from mass-production or supply achievements.

A holding company responsible for managing the SCREEN Group. A J-Fusion member; specific fusion-equipment deliveries and demonstration results have not been verified in this dataset.

A bank with a domestic and international network. Its current organization was launched in July 2013. A J-Fusion member; specific fusion-equipment deliveries and demonstration results have not been verified in this dataset.

Provides nuclear-facility maintenance, installation work, radiation protection and life-science services. Listed as a special member in J-Fusion's official membership directory.Specific fusion-equipment deliveries and demonstration results have not been verified in this dataset.

Supplies refractory metals such as tungsten and molybdenum and related processed products. Reported completing delivery of approximately 32,000 tungsten monoblocks for 13 ITER inner vertical targets to RI in November 2025.

Develops, manufactures and sells valves for industrial, building and marine applications. Listed as a supporting member of J-Fusion. Specific fusion-equipment deliveries and demonstration results have not been verified in this dataset.

A contract-testing company providing sample preparation, test-specimen machining, materials testing and microstructural evaluation. Listed as a supporting member of J-Fusion. Specific fusion-equipment deliveries and demonstration results have not been verified in this dataset.

Develops and manufactures high-pressure-water cleaning and cutting equipment, machining equipment, and inspection and maintenance equipment for nuclear facilities. With Helical Fusion, it completed a high-temperature superconducting coil-manufacturing machine for Helix HARUKA. It also began manufacturing initial ITER blanket-assembly tools with QST and Sojitz Machinery.

Provides measurement and control instruments, with a focus on temperature. Listed as a full member in J-Fusion's official membership directory.Specific fusion-equipment deliveries and demonstration results have not been verified in this dataset.

A chemical manufacturer active in advanced electronic materials, life sciences, environmental products and chemicals. A J-Fusion member; specific fusion-equipment deliveries and demonstration results have not been verified in this dataset.

Designs, manufactures and processes material products such as fluoropolymers and high-performance rubber for a wide range of industries. Listed as a supporting member of J-Fusion. Specific fusion-equipment deliveries and demonstration results have not been verified in this dataset.

Applies ion-source and high-energy, high-current beam technologies to fusion and neutron sources. Its stated businesses include fusion-plasma design and the design and manufacture of plasma-heating equipment, particularly neutral-beam systems.