Tokyo Electron is the biggest vendor of semiconductor fabrication tools in Japan, holds a dominant share of Dielectric Etch, a 90% share of global resist coating systems, and is the world's fourth largest supplier of semiconductor production equipment (SPE) and a leading supplier of flat-panel display production equipment (FPDE). It operates primarily in the etch, deposition, and clean segments, which involve adding and removing materials to and from semiconductor wafers. Customers include leading-edge logic, foundry, and memory chipmakers such as Intel, TSMC, Micron, and Samsung.