J-FIBER

Optical fibers; Fiber optics for data communication purposes, namely, Optical components in the nature of connectors comprised of one or multiple optical fibres for the transmission of electromagnetic rays or optical signals

Vitreous silica fibres, other than for textile use; Preforms for optical fibres and preforms for optical large core step-index fibres, namely of multilayer quartz rods made from ultrapure quartz glass with a variety of breaking indices for the manufacture of optical fibres

Science and technology research services and development services in the field of process technology for the manufacture of fibreoptic goods